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HomeMy WebLinkAboutDAQ-2025-0001391 DAQC-009-25 Site ID 10346 (B2) MEMORANDUM TO: FILE – KENNECOTT UTAH COPPER – Smelter Refinery THROUGH: Harold Burge, Major Source Compliance Section Manager FROM: Joseph Randolph, Environmental Scientist DATE: January 6, 2025 SUBJECT: Title V Annual Compliance Certification Receipt/Review, FRS ID # UT0000004903500030 REPORT RECEIVED/ DUE DATE: December 13, 2024/December 15, 2024 (Revised report attached with tables) TITLE V PERMIT #: 3500030004, dated September 18, 2020 DATE OF LAST PERMIT REVISION: September 27, 2022 CERTIFICATION PERIOD: November 30, 2023, to November 30, 2024 FACILITY REPORTED COMPLIANCE STATUS: Intermittent REPORT EVALUATION: • Was report submitted on time? Yes • Did report identify status of compliance for each condition? Yes • Was compliance status marked as continuous/intermittent for each condition? Yes • Did report identify method used to determine compliance with each condition? Yes • Was report signed and properly certified by responsible official? Yes • Were exceedances/excursions reported? Yes • Were deviations reported? Yes Condition 1.B - Permitted activities: See specifics below. Condition 1.C.1- Duty to Comply: See specifics below. Condition II.B.1.a - General Operations: See specifics below. Condition II.B.7.b - SME 011e VE: Table 1 CEMs ¼ report 10/30/2024. Condition II.B.18.a - SME 011b SO2: Table 2 CEMS ¼ report 4/30/2024. Condition II.B.18.c - SME 011b VE: Table 2 CEMS ¼ reports 4/29/2024, and 7/30/2024. Condition II.B.24.a - PM limit - exceeded 1/5/2024, 10/27/2024, system hardware failure 8/11- 9/3/2024 - dev reports 2/8/2024, 10/4/2024, and 11/12/2024, breakdown NFA. Condition II.B.24.b - SME 011 SO2: Table 3 CEMS ¼ reports 7/30/2024, 10/30/2024, and 1/30/2024 (pending). Condition II.B.24.c - SME 011 VE: Table 4 CEMS ¼ reports 4/29/2024, 7/30/2024, 10/30/2024, and 1/30/2024 (pending). 0 8 2 COMMENTS/RECOMMENDATION: The report appears to meet the requirements of Title V operating permit condition I.L. Condition II.B.24.e was continuous but miss marked Intermittent (per phone conversation with Sean Daly KUC) ATTACHMENT: Annual Compliance Certification Report and revised report attached with tables. Mr. Bryce Bird - Director Department of Environmental Quality Division of Air Quality P.O. Box 144820 Salt Lake City, Utah 84114-4820 Environmental Protection Agency, Region Vlll Office of Enforcement, Compliance and Environmental Justice (mail code SENF) 1595 Wynkoop Street Denver, CO80202-1129 December 13,2024 Rio Tinto Kennecott Utah Copper, LLC 4700 Daybreak Parkway South Jordan, Utah 84009 DEPATITMENT OF EI{\,IHONMT.N TAL OUAUW DEC 1 3 2024 DMSION OF AIR OI,,AUTY Subject:Annual Gompliance Certification Report Title V Operatino Permit #3500030004. Condition !.L.1. 1.L.2 and l.S.2a Kennecott Utah Copper - Smelter and Refinerv Dear Mr. Bird, KUC hereby submits the attached report to satisfy the annual compliance certification requirement as listed in Condition 1.L.1 of Kennecott's Title V Operating Permit that specifies lhat "Permittee shall submit to the Executive Secretary an annual compliance certification, certifying compliance with the terms and conditions contained in this permit, including emission limitations, standards, or work practices. This ceftification shall be submitted no later than the date shown under "Enforceable Dates and Timelines" [December 15]... and that date each year following untilthis permit expires." The attached list and tables hereby fulfills the requirements of compliance certification for the time period of November 30, 2023 through November 30, 2024. All instances of deviations from permit requirements identified have been included in attached table(s). Based on information and belief formed after reasonable inquiry, the statements and information in this document are true, accurate, and complete (R307-415-5d). Rio Tinto Kennecott Utah Copper, LLC. 4700 Daybreak Parkway, South Jordan, Utah 84009. Title V Permit No. 35ooo3ooo4 (I(UC Smelter, Refrnery) Annual Compliance Certification Report Should you have any questions or need further information regarding these events, please contact Sean Daly at 801-569-6331. Yours sincerely, *^*rfu smN NAu-iltJ General Manager - Metals Attachments: (1) Permit Condition Listing (34 pages) (1) Deviation Summary Tables (6 pages) Page 2 oU(, ) (oo- gtcoEE0oaio.5.Eoo cos ;. ! € =1 - ! 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LE =996 2 As E E' ? : E! a WE -Y (O al .9 * o) 0. t r E <o E Eo:c3; o, 9 q' 6 -o ) Ea =9 (E C =fooor E gc .E or EEOc o. 6aE E. '- o) oEbE 'j f o, o-EEocP8 q EQ H 3; 5 cE ( O gE r !e l t: _E g X- o oY ( E tL o_ F c) qtr i €ai @ tr l {@ dt q= ctr i otr i o. tr i gtr i ('{)CJfAJ{, th Z up . F- 0) JE vE ll t 9of l ca t oi tn - z. =EE>! *t C i: < \ro(,)o0- ocoz ocoz o) .goNI Ne oo) EE -o a ooFF o)coz ooqo fr o o!ad5b o- -Obc ! oo9r b Y 9o (, ) c E oa E FO - o) ocoz ofo=Ecoo oofEco) oJofcco) o=olcco) ofo5cco) U' :,ofEcoo q, aj .= cL 6. e 9 E: S tr 5 ( u Es 5 eE 5 8P E EE E 83 o) tr E E (8 5 '8 . ^ 6o E = b- EE E Hg E, q. E b 9 et o a {E E E E ' E 5E e= E ,o l . x .X cr E P h HI E ES E TE cl i ; ; I ;, g € r' l b E b E +E E I Sl e S e S ,f l * g , E -O )SE r! c _o : > 6 ;_ > E S E6 ' = < Eg F f t €E g ! (E == d) gI E e ,o l . x .X c. r E -o : EI E Et e iE El p i eu E 't E Ha E H E rB E s -O ) .: E _ o: > 6 ;_ > E s E6 =< E s !f t €E g 5 (E x= d) f E E E g B. E e c *( Ea$O- r 5( o o( ,9t r o. r : _(f ) = . : 6( t = ' i b. 9 aA $g ed tr 5 ox j E: O CE (D o. - = -o c_ oE o' E* . 8 O -. = o -o tt o (E ;E q E xa : E 6 o= H r bE E '= i o r o E O E= O. E : i = tr E O (E . = =* 8E do 6 = o9 i E (! 6t ' I a: o a 9t ' 6 E E Xo E o ll l U ) ( o ( J cr - >. = '6 e_ 9bga c FP r or Y S 3. P : E€ , I + E p$ n L. E L F OO - b g -' r (O 0 Zc t t - o +( U ; E ;H : E 6 b8 3 ! et # rr E l o, a . = o es E e E' U b 6 dE o, E r* g E €0 ) x x F( , o t r S: o: o) )z (o -'i EE N o- ( ! e 3. s 69 o Lo O ) =? > o ;. o + (U -.c 8E H r. . - 6 9 _, f ( 5 9E L ac E c Fl (E 9 O 6 HI T T g E Af i E E a Ll t U) >c ) El c gE E El s E t s gl E r E9 Hl . g s e g Sl j e I E .{ P l o . (E = = sI E E E P FI E g E: .- 1 3 I eB gI E E: E ll l L u o, o o. '6(!o.oc(D(- )Loo.FcoELo)(uoo)oc0) -ooooc.9o!2Eo)o)Eo5 S: oio) )l (o -' r EE X o- (U e E. = t9 o Lo O ) d5 d 5 (! - c 8; H co 5. 9 nj € g ?C F6o d u i 5: E E SE i E i ff l U E Eo =l or o >0 ) Oe eE E ol o 6 - E f El € i pi 6l b . s 6 E $i ! Pe ' :l G ( E - v 6l b "E _E P -l U , o x L Yl c Ul (l, f il . g q EE ul 3 P cE *l , E gE I 5G'o_occ)ooo- F-c(! -co.UEo)oco) -o(UEooE.9o.9 .Eo)o) -oo o qcd qc!q q:. Jn qc?(D 4q= -f'q) rEq)tia)CJqa Fr Q) i/ , vE!f , cof , ouB( J z. : ^o (J >E 6) . iC'r = < rf )0,(, ,o(L 6tooqoNo OLNJN9 :4EE o c- ? Eo k .9 r r il 3= S FO - o) c)coz NoqoodL t=NO o<qE (f) - (o '. oo E 'a i l h9e 6 U, : !, oa > FO - o) oqoz b-oE O) 0) E4 ood B hool o- c e sE 6 o) - d) -d ) \F .Y :o H 3r b 6 Y 9o ?t o PE E gH ocoz ofo3ccot) o3o=ccoo ololcco) ofo5ccoo ofo=ccoo oo=ccoo d< = 2 E el # {s 6- a HI E . E} Eg E fi l o o - o o s ff i 3 - H[ g [ t H E E E _o JE: .5 E f ; 6> 9 > 86 . : < E s !f t €E g ! (U x= O f E E C g EE E ol . x .X cr r E _o k HI E ES E TE H$ r [ E E * i E -o i =g E - ". 2 iD 63 P > E6 : < E g Ff t €E g ! (o x= d) f g c c gg E e .o l . x .X r u E _- o ;I E E } B; Hg i 5 H s E a _o ) .: E -o . t 6 5> p = 86 . : < E 9 Ff t €E g E (E xt : O) 3E C E g s. E e bs- s8 d o ct -i (l l \ t -< ^ IEI . IE g 3 qE tL >BE T ^1 9 6 Dl. i O d) Rt ; : 6 : ff i g e f , Fl t g c; bl E ol E 98 ; e 4 !U l = d) ! O l# ; H, a sl f g Hg Sl b E 5 g sl P 8. E 5 TI f i E E; sl s sE I '6(Uo.occ)coo. F-c(UL0)(uEo)oco-ooE.ooE.9o.oEo) -9€o S: 8E . E* )- - 6 -u t _ o (, , - ! o9 o EP 9 ei * 8E H rE P .; ; E -C ?6a 6 d ;* E I EE gO (r o >0 , o9 E 9 -L ) -ao E . - el o P o 5 3l E x E3 Il b . s b E zl o g ) > o - il = e se ;I b E. E P -l o O x' t r :a l c (, o l HI f i E E; gl E E= 5 >l u J o) o o. '6(oo.otrd)Ioo- t'-c(u=LooEo,occ) -ooEooc.9o,9 ,Eo-9€o (oqoEcoLoEo a- O r. } l - ol N ol - - i uJ l _ ;I E ::El * El o EI E, ll- l O >l c 6t 8sl r (E l - c clt , 5l e LL I = olO - El 6. t s ol oE Fl c o 6l . e e -l l , o ?, 1 . 1 2 . = (E l F (U EI U J O' '6(Uo.oEc)oLoo. t-cG'Eo(UEo)oco-oolDoc.9o.9 .Eoo€o qad) 4adl qo{ elr ) tr i qqI -oqdt ;torEq)I()o6ZOA -r ( J i/ , vE+Cof , Hi Q AA 0) icZ. f vaFE ^0 Q>g 0J F +J t r F< @(\ to(\fa-o NE g d: 1 5 E SB E oN ! - N. Y :o o "d gBr I ?; ( L X d) ( , o t- l z oco.Eo't coo :E o FOOo .O c o? l- o9; !>c) Ebg t9 0)coz oEoz ocoz ocoz ocoz ofoccoo coEo,c (t tfo=ccoo ofolcEoo oo:,c.Ecoo o=occoo ofofccoo Er l = E i FI E E .9 .E -l c E ri E Be ts X E6 Hg E g E H c E E -o ) BE s E EE Ei b t E ; E = E F ^a Q E 5 SE H; ; ; > EE E g E i E * E i E E 6S 8 s }8 E E E€ E E o e" E S P O C4 e E* E E s; 3 f i 8 fi 8 . 9 ; , e - t o- v Eb b E E :i . 6 c' = = .Y l . o o) o o > o o, o. - t r E0,EIoo0)o(E d i o. = so JcLO be g- EagEE E o)E5 o =. i ts o o o= o (J = Lgi H o. lE n= P E3 E HE E BE E .E ( 1 ) .E =' i b b e s E, H s e k r= . E a - ? a Eg E E E E d 6. E d c. E 69 ( E 6 ( E ( E 6I Ed 5 E EooEo.E(Eo) c!oloc;cocLo)(EEo,oc0) a- o :I E ft l b =l O - 6l ? ) gF-t * d) l o ll o ol EH'6 6l . c 6l E tr l u l Pcc)ogoo- rr )co-co) (Uoo)oco, -o(E-co'6oo-o o) -cEo,!'o(Eo.oc(, )ooo-oNc.U-co)(soo) ii 1 o a, l = 5l R or l = HI E b EI ( , , E ,? l p E :l . e b Ol O D =t o - q' E a El ;i c (, l ; g U,l -s o) 6l U} E r. L l > O ooEoEcooc.9o.oEo: qr td -c 0) 56=5E6E- ocoo=EOE -c o o' ' ooEEoo6s g) Ea8Eo 3r XOFE6Ocor ] -E O Fc 9: 6( , ) !c9. 9 ooo) , AEo-EbOEb=o) t r0 ) _( u EP cc '6 . 9 =o !oEEEo 6- { / l oo , or 3 rE== (E i aoor E <D a EE 'e p 8_ E o8 -E O F( E oE66)EC' .c .o: LJooEE d) t ii o=EocEOOE C, ' Lbe L^bgP5 =c \ I .E a g86r 5oEo8Xe; E=EP .q d E. =>3 <E 9oui 9 a6ai (E g EOoL E 'E 6 , o (U <'E iE E P Po g, € a Eg g o( E b : EE E ; Eo b 6 I E cE E SE E o- L = oo o * o: ! 5. 9 EE 3 e P: E E 'E * b - g c i: o- - o9 0 E q b >o ! o, : o) .E r ; E ES E E E= ( J c : E 8. E =d ) o E q\5 4t-tr i qoq= eoq= qoq= qoq= qoq= (oo)O) (!c P.orEo&0,()qE '- q )ae vE1+ O o' Eof , o. t6 -z. : ti C ^0 (, >T .+ r E 'a < r\oo) (,o_ ocoz oEoz (DCoz ocoz o)coz ocoz ofof,ccoo o5ofc.Ecoo ofo5cEoo ofo,ccoo olofccoo oofctroo Ee , r' = > i qi xe E + EE E E a->- =Eo aB b =E o E B , € E HE E ts E € ;€ ; S ! E H > rE ol . E >E -. gB E E E g E H - Eu a f, ; i= E q E * s t E E if , * E r g " E6 E FE g *g EE Esoo ) a= EO>OE !( U g r bP 3 .' A s 9l , - O Y{ = P RE oc.9ooo-os6=.9 . g 3 sE : E . H5 E FP E S = €: =* E g i P : gc Ic P H- * E ; rg g H >E . o 9l u &6 *e b E E aE *E fi . H E E f, E o vE -eoo c( tOJ€soqEE3Eoo , E3Eo -o c fo,EE3 60O' F g6Eo r F< E!&EaQ oJ ( D oo N- C?b>orEao ) >. = dr o o)EEea& 'd go. g oE e6ts ; rEOCFo t Fo d -E o, s=9tOf d, !r ol oo r <l q (U Jl ! an </ l l or - IJ J I O E Sl: 6 61 9 c :l ; o ol o ! EI E f; ?t b E gI E E sl 8 E tl E s' (/ ) l > 6 d) . =E EE p -o o r = E -c - o t l t l E >. : O . = .o I E o. r . E z E EF S g E 6a 3 * E9 . e +s ! rE # t (! f i, o= Eg _ e E # EE E g F =r ' . 0 ) o h U) E -+ j 0) Uq ' - P = L Pa o E E E 88 E ; & H gB H E E s . 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E > c( E E E€ a* E ** E E E € 8 = € - g - g o- l - o- o E - o c gS s a € s B E E I sI H g E * E E E I _ <. x qH E E EI T F: 'D l a ; r o HI # E E aE o g cl rO - 3I E : E = sLoiol z Sr t or ( o e 3. = E9 o Lo C ) a: a +- (E - c 8r H .o E . 9 d€ E cE c 6u o o 5Y f r h 2l g H 5 o 6l g= ! > 3l $ E 30 El 6o >o r 9e sE I 61 8 E f s 5E r r3 Ll ; . 9 6 p ol l o U , 2 o - EI E E EE EI t S E P '- l 6 O x L Jl a (, o: , EI B B :: 61 . e . = 8. 9 EI E E; b g) l l l J o o o. .=o(Uo.oco,Ioo.ocooo0)o)occ) -ooEooc.9o-oEoo)Io S=8d (o -i EE X o- (E e 8. = 69 o Lo c ) fF >€E - e 8E H .o E 9 :f ( E eo L cc c (U Q o d f; s F 9= p > q6 PA g -c o- + ur 0 >o ) oQ E P -L J Fa oE . ^ -o 9 o r 3 Pl E r P9 ii l ; g d g ;l j { E r :( L o == EI E "E . E P -. t o c, x L lg l c U, (U : J ;I . 9 Q EE =l ? , 2 YE 5l r ts E E oC,o-oc(DooooE(EEc)(u(t)o,occ) -o.U.c .ooc,9o.aE0) -g.o'6; oo S an a - (U E J I o_ ( u L Eg E ^6 E a tl * . 3 u " bt E 6 9 E rJ - l ti i l E R EI E : S 5 3s $ * s El s l s x tr l .; (E (, :l E + cD ( U EE : E 9l = = E I 51 6 = 8 s 3l E [: E el i E E B EI H : E b fl H ag E gs q E E tL l < ! o o 3 aP ;l Nu. r l Y ;I E -- { < Llool - o -o t - ol o , PI J ol - ol E al- P rl - (U l o) fi l E cl o ol o El E El e sl E e do F fi I E H qb e ql oE EI E ; EI 4 E EI E E qotr i -oci= qtr i -otr i (Uc.i tr iJ (Urici trarEq)&!,)(),5 2 HI qJ 'u l vE!f O98ot : a6 ^A OAt r z. = ^o (, >E 6) F ,c 'E < f NOq! € N=PN \oco o aO6q gOfi 3 to oEoz oEoz (l)coz ocoz o)coz ocoz o)Eoz o5ofccoo ofofccoo ofofccoo ofo:,cco) o:fo,cEoL) o:fo,gEoo o=ofccoo o,o3Ecoo _ <. x $I H E E El t "a i Dl o ; ( , HI * E E aE o g cl -O - 3l p : E = oo) -9o)c(5Loo.o Ef f E3 : 66 I > cr . = bl E € PE : = tr t O 5. 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E ,r jdE oEoz 0)Coz coE'FEc)c ofofEcoo coE0)E of,ofcEoo ofo:,ccoo E- EE s H - = s - E - E ?E : : E : : € E E E Ez -E E = - g E E s; E 6. E ^ E = > 6 > ' - - q =E o B E f Y S a E 0 E 5E 8 s B 3 : ge E E $ ff i E gl c l 8l o ; EI E e ol l , L o EI O 5 31 9 E OR 5 E EE > rIv - E ib 3 = E = . E I *e = 5: E H; H ; > 38 E E = E H FH i9 r EE g g g = e E * s E E 3S 8 € i 8 E E E€ E I 0cE: c5 9 o o_ ! EO 69; i 3 ;i ( u ( E x €E E E 6 h! < rE . = < .Q d c( L > o- ( t , l J J EO - 9u r EE 5 - ot cr g : 8. 1 8 9. o qo ' F . q: E E :€ E 3 : ? E &s E: > 5 S E€ eE S (o(U > -( EEEoEOE ur c Po , EI P Xo d ) ;i - c > sx * C! ( E f , E5 E io - bE . E3 5 -- i E eE f r oO : !o i a= = E Fl r ^ o- Il s, o o el o ED a ut l O E 6 =l ( / ) o- qb aE =l p t '. {I E € P ;t E 3 9 <l L u -c (5 E- c HE c H E; E, ; E E< E bE 3 o> e f cb 9 (5 o i t sx .9 5 o gg E PP d !5 8 Eg a -c O a u ur = L u! c E b€ e ET E i = (U 0- ( f , ai l a t gI P EE A E rs Ei co-cooc)o)oc0)_o6-coo(,o) (uc-go-E'6(EoEo.E ; o=coooBe '= pqr B 9b .9 0 *g ql E ol E #l E Y( E El O) EI ; ir l (U >l o) al aEl g ij l e ol a 8l Eml = ' Jl () ol o ; . ol E: ?l e I Ql a o :{ l c- EI f i E =l E 8- fl i a ul € c 'o l . q q <t > t a'6G'o_oc 6t E elLol & tJ J t ^ ;l : -1 t Cl-El = sl * fi l s , El 9 =l ; El o 6l =dl p El 3 .= l - sl E =l tt =l a (E l = EI EEI , BI E rl > (Ed= -o@tr i q@tr i qo) tr i qoc!dl N0)(,) (I, I ocoz € c\ l go FS q E E 3E h- - .l s i - 3 = - (u - -< = 96 ! 9F a > 5E :E - E 3 E -€ 6' E ( a < t 3t ss E ? g 9: P 9d ; ; EE 6E a E E - Ee EE E 5 H fi E8 6NE- o.-a b ooFExR < I gR EE :; IE 9- 6 il E !o xX E8 9A ocoz ocoz o=oEcoo t/,:,occoo o,oJccoo olo=Eco(J o=oJcEoo !( L!U uJ _EgE E - U, f c- g : 8. I E 9. o qo ' F EH E E : , >E Q' = 5= -c ! / < o E c E B9 E: > f S E€ nE * EE E g g g E i i g E l E g t €t HH ; ; g; 5 5 H s E E g o i !o e 98 9 67 f , ' . or 3 EE f 'E 8; ; E E E EE { XF - E t r ; dE = E > \ +o E o o (, , o o o? , -O )EE gD < _ o: > E 5> 9 > E6 : < E 9 Ff t €E g ! (E x! o tg c c gE E E B.E: c5 I o o. = 'E O ( E 9; E - 6( U t U 3 €E E E E: E < aE : t r > o. E llJ iio(Uoocgo)o. ol o c{ I F cr l - rr r l E >l r cl b cl (E El 9 o. r l o El 8 Jl or =t - o 6l=el EEl I 'd b =l 6 =l a (5 l ' = 9t 6EI , 90 rl > oco) -o(UEoxozo^p8 , =( E .Y L .h 0) 6> 'E < ri q: ol o 81 t r g, q ' el ; el <Y , ol - ol f, dlt q t! tl b6l o cl o) ol N tr l ci oll - 3t E ol = <l - bl e at E (L l o) (I ,EoEco) (Eofo6I$o?$c(5Eo.U(Dotoco, -oooxozooc^oq ) ii E 'E o) L>L! 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EF q +€ (E - -< l !, or E i - o- E (D : - 7E 9 o E E' = ( , < t ss E : 9 e 98 ; ; 6E E f F ; 4 tr ; i tv a) E* . ; ; H O (oNoNlr )oc E c-oNOF ' ol l6XgY ofo3trcot) ofoJEcoo ;t l i g g g g g g g g E g g g E g i E E g E t E t i r gg a t 7, l < tl i r Hl c f i 8l o ; EI E e ol l J - o El o 5 6l e E o) .Eo(t ,Yo(ofo-caes(')oicG' tgo(E0,o)oco-oo-coxozoo.E sr 3f r ' 'E q, L> l,. l J (E oYo!c-g(EogfoogoscoEoooo,otro.oosanxozooi C^ .9 9 EE ' 'E q) L>L! o -oric!dl q(,c!t 7, {,) rt rC)&()oqAQA -r 0) ievEtCo! q ii 9Z. v EE ^o Q >E 6J F +J t r 'a < c, )NoO)o(L "? g $ e ,, . f r ${ E" EE g F fr i fl g gP * Eu I te i iE i *E x E€ € EE * iE ; r€ i E' HE ; ;i F Ei e $E E ff E #E {s E S H .q c *- > o 6i l u at o^ I . I s- E :5 E ai ' e - fE i HE E :5 d Zn 9 , pE H #5 s coEos Ec)EEo)E Ei B E E * E E E i E e; a ;g t t c $ E p . " EF a FE i f i E E ; * s F o) Eg , g g E g g E E g E f u E E E E I f0 ,97 t( ,NCvo.. 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F F H g E E q Eg E e : s E a I s N aB s t E cH ; 5 E E E- P E E fi E J E E : } SS S E s E E ; i j X E = ^E F , s g . ^ - E gE ga t E t e a E E ; E ; E ; , ;; E i $ E H HE E E E ; * # E cq,Ioo_oNco-co,oEo)ocoo(Uo'6oo.o oo,Io)(!E=cc(Uo-oa?c(oc,o(UoLo)occ) -o(5oE(5oJot,E.9gt .9 .EIJ J (!lccooeori (oE(!o(5Eo)oc0) -ooEoxozoooq ) '= E) it E 'E o L> LI J (u o$c!= EIe!3 ol trydl r,C) rE(Jf(J!JqaQA -r 0J 1/ , vE+OOE ;) u 2. 1 -( ) u>! PC 'F < r)N0)o, (EI foEo-oa$(\ l ulN0- J Nq c! t !l -o Gl 6r ; (o N ,r i oJ ! 2o8EEg E8* J oo z l- N ( L ocoz ocoz oEoz ocoz o)coz oo.so!o(uoo-OOEICOoo i E (U o. - = r (r I .Y l .E h E ] 6I J J o=o=cgo) o=ofEco) o:,ofc.FEoo oofccoo o=ofEcoo att=ofEcoo o=ofEcoo 6t < R ol xE :I E E gl " H $ 8l o ; 9E e 5I H E c( (U ( L >, l l J -o c a >\ o E€ E \ o. = CE ( E d)E ! aa - € 6E o ) e F =l c = EE o 5€ . > 5 (, hE o ; 6" . E = rc E ei g EE : t o O ll u i # E 0: s : s: f f E H I; E E E F - .g EE E e ; f (, , cr . : c= < f 'E O- oc c l - 3e 6 >P d 96 9 Eg -oo E tr - o E- E E <0 - ( , Eu E E an g , R rE f i g * = E i c c g E t $; E i l € l t e 5 E g EE t s i + E r H E I E r DaE: F= o 6 A. E .E O . E 9; i s do q E €E g i . EE > fE . E < .9 6 co > o( E l f EI I - i - FI E + E o El E " [ ] 6l o o R <o S El p a B I ol l ! ou o El o € o 5 61 3 E 3 E Eco-q-o(E0):elooI|r )ocoE,o)Ho g- o o) ( u ^ ar t Lo ) OE -o c -o6o -c + f; q. , ni -O =g (L 0) o5 , O!CE .9 b U} _ o o-ES t! <- i'6oo-oc -ONl o 3l B . #l e al c -1 (U cr r cl s ol d =l 6 Dl o ol o, rr l ^ (U l x Pl cr hl o PI E (u l ; ol o cl s -c l o ol ' 6 fl ool E or l o 6l o) 8t E tr l > Eoooolcf,E1fgol-oEooE=o(uG'L *c )b6 =o ) Itoo tr O . ^$ d rl o ", LI 5 E tr l l = L <l e o a€ ; ,1 8 5 ol d) E ft q L ol - g -l .= (E El (l, 6 Ol =c El s fi Ecotr Eor 9 -.!or 9 cE=8 L0 ) cr = o- o u co CEoo ed ) c? E (o o) c\ l E 9o86db E, g (E ( u EF6=x9 o!2ao-pE6. E '6 o .9 , . 9 . r: o) lJ . l o- 6= ALol + zl C o - ul t r >l d ) (/ ) l . . -1 . ol 6 fl <ol P LILol . 9 EI E -d o, 5l P ., } l o, cl - o ol - () l ERl 5 ol P d .l i t . 9 ;l E i 4l ( u = -l- L 61 . - o El : 5 rl O- EI E c EI U E EI 5 E i'6(Eooc Nl s ol c, r. u l o =1 9 at _ JL-l 6 bl 5 EI E (U t (E ol d) EI E, Ll o ol c o. l d) El o 6l: a) l E zl o ol (, , El 5 ol 6 -o l a (E l = JI E -l oJ al cr EI E Fl / / , .n l > !co!o.s-oEooco€Noc 6l ( E 6l - r- l b ol at r ru l I >l o) @l o gEql o) El - o ol : 6l (5 di f r . J9 E EI F 3 (E l - < 0J l 6 I ol P ; Et . o b, ll f i - HI E 5 >l u J o -$qq= (Edc!dl (Udc!q -oC,^l= qr. -qdl (udc!= (Eo;c! tr ! LqJ rEOJll!l[)qe -, 0,) ievEtCo! q l' , ' r a or 9i z. = ^0 U >EO. . vC 'a < (oNo,O) (,o- 0.,oE6!oEoo-oo 5i lcoU, c . i 5 gs ; -Y a .= !\ .= 5 B. E ocoz ogoz ogoz o,coz oEoz oEoz o=ofccoo oJofctroo oo=ccoo olofcCo:. ) o=oJEcoo ofofctro) ofolccoo EEOt?t iE E ig t g g t g g a r .cEc)ooaoooEoag >f ooc or F .L C) 6E8E O' E of oe- i e E Ol O < (J 6 () . = EE P E 6=.O O>5 >r E =t J =o ) co - oo<C Sc =GcE a or ! P@ = fi E- ! Q! = eo ; ' i EE g E &E >o o o)cg 5gOn - o= i B E o. a gE E 0) o (, c ( E ET E LP o oO O 2E o >ooo.ocd)oLoo-ogoEoooo)oEo-o(UEooc,9o.9 ,Eo-g€o Bo3e =E:c ^! l (E -l E al g , E EI U E 9[ 9 EE E g€ a EI g E . ol : P E ar l . ! ] f .E l s g ts El E r I El ! gi sl E i $ EE ; E ?I E * E fl f p * 6l t r e E U' - EF :eaEoc "a f r 6o - Ego) : 9#Bb-c 8_ e sE !! o r c .! o! E gt ge , A or iE sE r :o aEE i 8? ! [= ] o6 S o or * l, l . = L -E E E <E : E€ LO0, o_ EoF€ r: CoP -v .= o EEEE (E O EEq8 sooF eEO( E €eEq o) r r l ls -: a (E OOEE l= L_oES 6>o. E o- Y=EO : E9 :e; s o ?E F Xt LO =o q t -g I' P i =a i e r 7 F :r t . ! o g EE I E * EE E H s e ii 7. ' . 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SE& co cl iz EP f, ooooo ) ot anEo=o ) o- . / ) o: a E o +- ' r - .E o O -5 4 g; E -u , o- -o >u J O Eo.gg.EoE(D(E d a, lE=8E&( * or 9 E. g " A ; P= H PE T gE : e E E - EE E f , E E i $ 5E BH : E 6 o$EE:Eoo - o_=9o: (, b E( J o-OOC) E It r = (! =3' 8- (I , . =EoEEEO '6 ot F! -Ear ( EFa o. 9E3 , ; O- c o- = o :E B (U F' = 6E E o. 9 or 0, ) 2 c .! A NE 6. E L L.= oo c O- c' = cE ! tr Ee aE : oo Y E !U C6 E E 8E E *- h q: 6 6 E PE c o di . 9 c- o = 6. = O= =S . - 6 b. c (! o E EE ; E o 9E ;. E H B 9g 3€ E H or 3 ot .! Y l. E = i cl U, *E h 0i Ol r = r. l g E EI e fi ,Z c 1 = vl 0i 0 g O do f E 9 o r or l 9r r . g E. s PI E *. g: , E Fl . s or E. s E El c E a er 5l I g I a E co gEcf - OE € 69 .^ . S ' * EE H E= (, I o- 9 '= 0 1 *s f i o e- Lo X 3E I (E - >z O ,^ . = =e E l &E g or 6d - cu - -c o- >o ( E '= o 2r E -o o- o f c!AX oN :6 06. 9 tr ? Eg 6E s EE 9 Ep = o. = (E oE f or hP tr 9 d oo-gcl.=ooo.occ)o0)o.occ, .c .o) (\ ,o. = oEoc ) co . oo -o E=- (E c ooo .! P oo 'a 9 .9 . 6 E o.r ao or ' E Eb OE>5 Eo.o_1r)coEL( DO tt 6. c ) EE o=o=cf8g =O (o - T -c o oEoEOsEo fE9. 9 . o' = ou = E8 so ) 6€Es 3EOE d. 9 b) o.6=( , ) €( l )=iAo !E(EoC6o6Eo , qo \ =OEr ( f ) E. - ;ot( o=EEe -2 ( u .E , , ; e8o (. ) EI+NaO -( o 'a t >. s 9o tooco( ! E5 ?i o qE .lc o 'E E ar t !5 - o (l ) x o o- - ' 9 eb 8 F3 ( E o^ic?d) q(ta?3 4(f)cdt q(f)(r ) tr i c(. ) (f,cr i ql(,(ocr i Lq,)q)&q)0qaUq o vE+Oo! ! of , V) Q z. i ^o (; >! vC 'a < @N0)o) (I,L ocoz ocoz o)coz 0)Eoz ocoz o)coz ocoz q)coz c)coz oo=ccoo an)occoo oJofcEo:) ofofc'Ecoo ofofccoo o5ofccoo olofccoo ofo=gco3 oaofEcoo -o i gE L!E - o: > 6 6> E = Et : < H g Ef t €E i ! (s == d) =+ a E E qs E e =3 EE E E - U, EE E 5. 9 o s; B2 EE e 3 , g= E E E ? E Ed E E!D r: hoo. =r- E EE E S H H€ E sE P h >q =E = q rr . - 8 gg E c)EP € * a- P aT :t o - Gr . : - c, o: = >\ c r Y c EE E S S E, E . E ? ( 9 EE . : T Ie d E Z ^P F 3 9 E Fo - 3 u l c uiEo'E o) ll r I o- ! 2 0 O L' E .g a D e .= fi =4 ih .( , ( L ! >r ! 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Rio Tinto Kennecott Utah Copper, LLC 4700 Daybreak Parkway South Jordan, Utah 84009 Mr. Bryce Bird – Director Department of Environmental Quality Division of Air Quality P.O. Box 144820 Salt Lake City, Utah 84114-4820 Environmental Protection Agency, Region VIII Office of Enforcement, Compliance and Environmental Justice (mail code 8ENF) 1595 Wynkoop Street Denver, CO 80202-1129 December 13, 2024 Subject: Annual Compliance Certification Report Title V Operating Permit #3500030004, Condition I.L.1, I.L.2 and I.S.2a Kennecott Utah Copper – Smelter and Refinery Dear Mr. Bird, KUC hereby submits the attached report to satisfy the annual compliance certification requirement as listed in Condition I.L.1 of Kennecott’s Title V Operating Permit that specifies that “Permittee shall submit to the Executive Secretary an annual compliance certification, certifying compliance with the terms and conditions contained in this permit, including emission limitations, standards, or work practices. This certification shall be submitted no later than the date shown under “Enforceable Dates and Timelines” [December 15]… and that date each year following until this permit expires.” The attached list and tables hereby fulfills the requirements of compliance certification for the time period of November 30, 2023 through November 30, 2024. All instances of deviations from permit requirements identified have been included in attached table(s). Based on information and belief formed after reasonable inquiry, the statements and information in this document are true, accurate, and complete (R307-415-5d). Title V Permit No. 3500030004 (KUC Smelter, Refinery) Annual Compliance Certification Report Page 2 Should you have any questions or need further information regarding these events, please contact Sean Daly at 801-569-6331. Yours sincerely, Matt Tobey General Manager - Metals Attachments: (1) Permit Condition Listing (34 pages) (1) Deviation Summary Tables (6 pages) Title V Permit No. 3500030004 (KUC Smelter, Refinery) Annual Compliance Certification Report Page 3 Condition Description Method(s) Used to Determine Compliance Status Was Compliance Continuous or Intermittent? Deviations/Comments I.A. Federal Enforcement. All terms and conditions in this permit, including those provisions designed to limit the potential to emit, are enforceable by the EPA and citizens under the Clean Air Act of 1990 (CAA) except those terms and conditions that are specifically designated as “State Requirements”. (R307-415-6b) N/A N/A State has primary enforcement responsibility. Statement of EPA and Citizen Power not a requirement for permittee. I.B. Permitted Activity(ies). Except as provided in R307-415-7b(1), the permittee may not operate except in compliance with this permit. Refer to Section II for specifics on each condition. Intermittent Refer to Section II for specifics on each condition. I.C.1 Duty to Comply. The permittee must comply with all conditions of the operating permit. Any permit noncompliance constitutes a violation of the Air Conservation Act and is grounds for any of the following: enforcement action; permit termination; revocation and reissuance; modification; or denial of a permit renewal application…(R307-415-6a(6)(a)) Refer to Section II for specifics on each condition. Intermittent Refer to Section II for specifics on each condition. I.C.2 It shall not be a defense for a permittee in an enforcement action that it would have been necessary to halt or reduce the permitted activity in order to maintain compliance with the conditions of this permit. (R307-415-6a(6)(b)) N/A N/A None I.C.3 The permittee shall furnish to the Executive Secretary, within a reasonable time, any information that the Executive Secretary may request in writing to determine whether cause exists for modifying, revoking, and reissuing, or terminating this permit or to determine compliance with this permit. Upon request, the permittee shall also furnish to the Executive Secretary copies of records required to be kept by this permit or, for information claimed to be confidential, the permittee may furnish such records directly to the EPA along with a claim of confidentiality. (R307-415-6a(6)(e)) Documentation Recordkeeping Continuous Applicable information has been provided. I.C.4 This permit may be modified, revoked, reopened, and reissued, or terminated for cause. The filing of a request by the permittee for a permit modification, revocation and reissuance, or termination, or a notification of planned changes or anticipated noncompliance shall not stay any permit condition, except as provided under R307-415- 7f(1) for minor permit modifications. (R307-415-6a(6)(c)) N/A N/A Permit has been modified at various times as listed in permit. I.D.1 This permit is issued for a fixed term of five years and expires on the date shown under “Enforceable Dates and Timelines” at the front of this permit. (R307-415-6a(2)) N/A N/A Refer to I.E Title V Permit No. 3500030004 (KUC Smelter, Refinery) Annual Compliance Certification Report Page 4 1.D.2 Application for renewal of this permit is due on or before date shown under “Enforceable Dates and Timelines” at the front of this permit. An application may be submitted early for any reason. (R307-415- 5a(1)(c)) N/A Continuous Renewal submitted on 08/01/2019. Permit issued 09/18/2020. Revision issued 9/27/2022. I.D.3 An application for renewal submitted after the due date listed in I.D.2 above shall be accepted for processing but shall not be considered a timely application and shall not relieve the permittee of any enforcement actions resulting from submitting a late application. (R307-415-5a(5)) N/A N/A Governs permit authority, not permittee. I.D.4 Permit expiration terminates the permittee’s right to operate unless a timely and complete renewal application is submitted consistent with R307-415-7b (see also Provision I.E., Application Shield) and R307- 415-5a(1)(c) (see also Provision I.D.2). (R307-415-7c(2)) N/A N/A None I.E Application Shield. If the permittee submits a timely and complete application for renewal, the permittee’s failure to have an operating permit will not be a violation of R307-415, until the Executive Secretary takes final action on the permit renewal application. In such case, the terms and conditions of this permit shall remain in force until permit renewal or denial. This protection shall cease to apply if, subsequent to the completeness determination required pursuant to R307-415- 7a(3), and as required by R307-415-5a(2), the applicant fails to submit by the deadline specified in writing by the Executive Secretary any additional information identified as being needed to process the application. (R307-415-7b(2)) N/A Continuous Renewal submitted on 08/01/2019. Permit issued 09/18/2020. Revision issued 9/27/2022 I.F. Severability. In the event of a challenge to any portion of this permit, or if any portion of this permit is held invalid, the remaining permit conditions remain valid and in force. (R307-415-6a(5)) N/A N/A None I.G.1 The permittee shall pay an annual emission fee to the Executive Secretary consistent with R307-415-9. (R307-415-6a(7)) Payment records. Emission inventory documents yearly source emissions. Continuous None. I.G.2 The emission fee shall be due on October 1 of each calendar year or 45 days after the source receives notice of the amount of the fee, whichever is later. (R307-415-9(4)(a)) Payment records. Continuous None I.H. No Property Rights. This permit does not convey any property rights of any sort, or any exclusive privilege. (R307-415-6a(6)(d)) N/A N/A None I.I. Revision Exception. No permit revision shall be required, under any approved economic incentives, marketable permits, emissions trading and other similar programs or processes for changes that are provided for in this permit (R307-415-6a(8)) N/A N/A None I.J.1 Upon presentation of credentials and other documents as may be required by law, the permittee shall allow the Executive Secretary or an authorized representative to perform any of the following: See Conditions I.J.1.a,b,c,d listed below. Continuous None Title V Permit No. 3500030004 (KUC Smelter, Refinery) Annual Compliance Certification Report Page 5 I.J.1.a Enter upon the permittee’s premises where the source is located or emissions related activity is conducted, or where records are kept under the conditions of this permit. (R307-415-6c(2)(a)) Upon request, access allowed. Continuous None I.J.1.b Have access to and copy, at reasonable times, any records that must be kept under the conditions of this permit. (R307-415-6c(2)(b)) Upon request, records provided. Continuous None I.J.1.c Inspect at reasonable times any facilities, equipment (including monitoring and air pollution control equipment), practice, or operation regulated or required under this permit. (R307-415-6c(2)(c)) Upon request, inspection allowed. Continuous None I.J.1.d Sample or monitor at reasonable times substances or parameters for the purpose of assuring compliance with this permit or applicable requirements. (R307-415-6c(2)(d)) Upon request, sampling/monitoring activities allowed. Continuous None I.J.2 Any claims of confidentiality made on the information obtained during an inspection shall be made pursuant to Utah Code Ann. Section 19-1- 306. (R307-415-6c(2)(e)) No confidentiality claims made during the reporting period Continuous None I.K. Certification. Any application form, report, or compliance certification submitted pursuant to this permit shall contain certification as to its truth, accuracy, and completeness, by a responsible official as defined in R307-415-3. This certification shall state that, based on information and belief formed after reasonable inquiry, the statements and information in the document are true, accurate, and complete. (R307- 415-5d) All documentation/reports submitted to DAQ have been certified by a responsible official. Continuous None I.L.1 Permittee shall submit to the Executive Secretary an annual compliance certification, certifying compliance with the terms and conditions contained in this permit, including emission limitations, standards, or work practices. This certification shall be submitted no later than the date shown under “Enforceable Dates and Timelines” at the front of this permit, and that date each year following until this permit expires. The certification shall include all the following (permittee may cross-reference this permit or previous reports): (R307- 415-6c(5)) A copy of the annual compliance certification report on file. Continuous None I.L.1.a The identification of each term or condition of this permit that is the basis of the certification; A copy of the annual compliance certification report on file. Continuous None I.L.1.b The identification of the methods or other means used by the permittee for determining the compliance status with each term and condition during the certification period. Such methods and other means shall include, at a minimum, the monitoring and related recordkeeping and reporting requirements in this permit. If necessary, the permittee also shall identify any other material information that must be included in the certification to comply with section 113(c)(2) of the Act, which prohibits knowingly making a false certification or omitting material information; A copy of the annual compliance certification report on file. Continuous None Title V Permit No. 3500030004 (KUC Smelter, Refinery) Annual Compliance Certification Report Page 6 I.L.1.c The status of compliance with the terms and conditions of the permit for the period covered by the certification, including whether compliance during the period was continuous or intermittent. The certification shall be based on the method or means designated in Provision I.L.1.b. The certification shall identify each deviation and take it into account in the compliance certification. The certification shall also identify as possible exceptions to compliance any periods during which compliance is required and in which an excursion or exceedance as defined under 40 CFR Part 64 occurred; and A copy of the annual compliance certification report on file. Continuous None I.L.1.d Such other facts as the Executive Secretary may require to determine the compliance status. A copy of the annual compliance certification report on file. Continuous None I.L.2 The permittee shall also submit all compliance certifications to the EPA, Region VIII, at the following address or to such other address as may be required by the Executive Secretary: (R307-415-6c(5)(d)) A copy of the annual compliance certification report on file. Continuous None I.M.1 Compliance with the provisions of this permit shall be deemed compliance with any applicable requirements as of the date of this permit, provided that: N/A N/A None I.M.1.a Such applicable requirements are included and are specifically identified in this permit, or (R307-415-6f(1)(a)) N/A N/A None I.M.1.b Those requirements not applicable to the source are specifically identified and listed in this permit. (R307-415-6f(1)(b)) N/A N/A None I.M.2 Nothing in this permit shall alter or affect any of the following: N/A N/A None I.M.2.a The emergency provisions of Utah Code Ann. Section 19-1-202 and Section 19-2-112, and the provisions of the CAA Section 303. (R307- 415-6f(3)(a)) N/A N/A None I.M.2.b The liability of the owner or operator of the source for any violation of applicable requirements under Utah Code Ann. Section 19-2-107(2)(g) and Section19-2-110 prior to or at the time of issuance of this permit. (R307-415-6f(3)(b)) NA N/A None I.M.2.c The applicable requirements of the Acid Rain Program, consistent with the CAA Section 408(a). (R307-415-6f(3)(c)) N/A N/A None I.M.2.d The ability of the Executive Secretary to obtain information from the source under Utah Code Ann. Section 19-2-120, and the ability of the EPA to obtain information from the source under the CAA Section 114. (R307-415-6f(3)(d)) N/A N/A None Title V Permit No. 3500030004 (KUC Smelter, Refinery) Annual Compliance Certification Report Page 7 I.N.1 An “emergency” is any situation arising from sudden and reasonably unforeseeable events beyond the control of the source, including acts of God, which situation requires immediate corrective action to restore normal operation, and that causes the source to exceed a technology- based emission limitation under this permit, due to unavoidable increases in emissions attributable to the emergency. An emergency shall not include noncompliance to the extent caused by improperly designed equipment, lack of preventative maintenance, careless or improper operation, or operator error. (R307-415-6g(1)) N/A N/A None I.N.2 An emergency constitutes an affirmative defense to an action brought for noncompliance with such technology-based emission limitations if the affirmative defense is demonstrated through properly signed, contemporaneous operating logs, or other relevant evidence that: Operating logs and other relevant evidence, as appropriate, depending on the nature of the emergency. Continuous No emergency situations have occurred during the period covered. I.N.2.a An emergency occurred and the permittee can identify the causes of the emergency. (R307-415-6g(3)(a)) Operating logs and other relevant evidence, as appropriate, depending on the nature of the emergency. Continuous No emergency situations have occurred during the period covered. I.N.2.b The permitted facility was at the time being properly operated. (R307- 415-6g(3)(b)) Operating logs and other relevant evidence, as appropriate, depending on the nature of the emergency. Continuous No emergency situations have occurred during the period covered. I.N.2.c During the period of the emergency the permittee took all reasonable steps to minimize levels of emissions that exceeded the emission standards, or other requirements in this permit. (R307-415-6g(3)(c)) Operating logs and other relevant evidence, as appropriate, depending on the nature of the emergency. Continuous No emergency situations have occurred during the period covered. I.N.2.d The permittee submitted notice of the emergency to the Executive Secretary within two working days of the time when emission limitations were exceeded due to the emergency. This notice must contain a description of the emergency, any steps taken to mitigate emissions, and corrective actions taken. This notice fulfills the requirement of Provision I.S.2.c below. (R307-415-6g(3)(d)) Recordkeeping Continuous No emergency situations have occurred during the period covered. I.N.3 In any enforcement proceeding, the permittee seeking to establish the occurrence of an emergency has the burden of proof. (R307-415- 6g(4)) N/A N/A No emergency situations have occurred during the period covered. I.N.4 This emergency provision is in addition to any emergency or upset provision contained in any other section of this permit. (R307-415- 6g(5)) N/A N/A None I.O. Operational flexibility is governed by R307-415-7d(1). N/A N/A None I.P. Off-permit changes are governed by R307-415-7d(2). N/A N/A None Title V Permit No. 3500030004 (KUC Smelter, Refinery) Annual Compliance Certification Report Page 8 I.Q. Administrative permit amendments are governed by R307-415-7e. N/A N/A None I.R. Permit modifications are governed by R307-415-7f. N/A N/A None I.S.1.a The records of all required monitoring data and support information shall be retained by the permittee for a period of at least five years from the date of the monitoring sample, measurement, report, or application. Support information includes all calibration and maintenance records, all original strip-charts or appropriate recordings for continuous monitoring instrumentation, and copies of all reports required by this permit. (R307-415-6a(3)(b)(ii) All records and documentation required by this condition are retained for a period of at least five years. Continuous None I.S.1.b For all monitoring requirements described in Section II, Special Provisions, the source shall record the following information, where applicable: (R307-415-6a(3)(b)(i))… Recordkeeping Documentation Continuous None I.S.1.c Additional recordkeeping requirements, if any, are described in Section II, Special Provisions. Refer to Section II for additional recordkeeping requirements, if any. Continuous None I.S.2.a Monitoring reports shall be submitted to the Executive Secretary every six months, or more frequently if specified in Section II. All instances of deviations from permit requirements shall be clearly identified in the reports. (R307-415-6a(3)(c)(i)) Monitoring Reports are submitted every six months, or more frequently, as required. All deviations are clearly identified. Continuous None I.S.2.b All reports submitted pursuant to Provision I.S.2.a shall be certified by a responsible official in accordance with Provision I.K of this permit. (R307-415-6a(3)(c)(i) Reports submitted pursuant to Provision I.S.2.a are certified by a responsible official. Continuous None I.S.2.c The Executive Secretary shall be notified promptly of any deviations from permit requirements including those attributable to upset conditions as defined in this permit, the probable cause of such deviations, and any corrective actions or preventative measures taken. Prompt, as used in this condition, shall be defined as written notification within the number of days shown under “Enforceable Dates and Timelines” at the front of this permit. Deviations from permit requirements due to unavoidable breakdowns shall be reported in accordance with the provisions of R307-107. (R307-415-6a(3)(c)(ii)) Records of verbal and written notifications. Continuous None I.S.3.a All reports, notifications, or other submissions required by this permit to be submitted to the Executive Secretary are to be sent to the following address or to such other address as may be required by the Executive Secretary: Utah Division of Air Quality… All reports, notifications, or other submissions were submitted to the Executive Secretary as required. Continuous None I.S.3.b All reports, notifications or other submissions required by this permit to be submitted to the EPA should be sent to one of the following addresses or to such other address as may be required by the Executive Secretary: All reports, notifications, or other submissions were submitted to the EPA as required. Continuous None Title V Permit No. 3500030004 (KUC Smelter, Refinery) Annual Compliance Certification Report Page 9 I.T.1 A permit shall be reopened and revised under the following circumstances: N/A N/A None I.T.1.a New applicable requirements become applicable to the permittee and there is a remaining permit term of three or more years. No such reopening is required if the effective date of the requirement is later than the date on which this permit is due to expire, unless the terms and conditions of this permit have been extended pursuant to R307- 415-7c(3), application shield. (R307-415-7g(1)(a)) N/A N/A No new applicable requirements became applicable. I.T.1.b The Executive Secretary or EPA determines that this permit contains a material mistake or that inaccurate statements were made in establishing the emissions standards or other terms or conditions of this permit. (R307-415-7g(1)(c)) N/A N/A Determination to be made by Executive Secretary or EPA I.T.1.c EPA or the Executive Secretary determines that this permit must be revised or revoked to assure compliance with applicable requirements. (R307-415-7g(1)(d)) N/A N/A Determination to be made by Executive Secretary or EPA I.T.1.d Additional applicable requirements are to become effective before the renewal date of this permit and are in conflict with existing permit conditions. (R307-415-7g(1)(e)) N/A N/A No new additional applicable requirements are or became effective. I.T.2 Additional requirements, including excess emissions requirements, become applicable to a Title IV affected source under the Acid Rain Program. Upon approval by EPA, excess emissions offset plans shall be deemed to be incorporated into this permit. (R307-415-7g(1)(b)) N/A N/A The Smelter and Refinery are not subject to Title IV. I.T.3 Proceedings to reopen and issue a permit shall follow the same procedures as apply to initial permit issuance and shall affect only those parts of this permit for which cause to reopen exists. (R307-415- 7g(2)) N/A N/A None I.U An emission inventory shall be submitted in accordance with the procedures of R307-150, Emission Inventories. (R307-150) Record of emission inventory submitted as required. Continuous None I.V Where an applicable requirement is more stringent than an applicable requirement of regulations promulgated under Title IV of the Act, Acid Deposition Control, both provisions shall be incorporated into this permit. (R307-415-6a(1)(b)) N/A N/A The Smelter and Refinery are not subject to Title IV. Title V Permit No. 3500030004 (KUC Smelter, Refinery) Annual Compliance Certification Report Page 10 SECTION II. SPECIAL PROVISIONS II.A.1 Permitted Source (Source wide) Visual Inspection Continuous N/A II.A.2 Smelter Operations (designated as Smelter) Visual Inspection Continuous N/A II.A.3 Filter Plant Wet Feed Conveyor (SME 001) Visual Inspection Continuous N/A II.A.4 Wet Feed Storage Building (SME 002) Visual Inspection Continuous N/A II.A.5 Wet Feed Conveyor Transfer Point (SME 003) Visual Inspection Continuous N/A II.A.6 Partially Enclosed Wet Feed Hopper (SME 002-A) Visual Inspection Continuous N/A II.A.7 Wet Feed Bins (SME 004) Visual Inspection Continuous N/A II.A.8 Flash Smelting Furnace Dry Feed Bin (SME 005) Visual Inspection Continuous N/A II.A.9 Rotary Dryer (SME 011e) Visual Inspection Continuous N/A II.A.10 Flash Smelting Furnace (FSF) (SME 011b1) Visual Inspection Continuous N/A II.A.11 Slag Concentrator (SME SLAG) Visual Inspection Continuous N/A II.A.12 Matte Drying and Grinding Plant (SME 011g) Visual Inspection Continuous N/A II.A.13 Smelter Limestone Flux Bin (SME 006) Visual Inspection Continuous Emission unit has not operated since permit inception. Baghouse decommissioned December 1996. II.A.14 Dry Matte Bin (SME 013) Visual Inspection Continuous N/A II.A.15 Flash Converting Furnace (FCF) (SME 011b2) Visual Inspection Continuous N/A II.A.16 Flash Smelting & Converting Combined (SME FSF/FCF) Visual Inspection Continuous N/A II.A.17 Secondary Gas System (SME 011a) Visual Inspection Continuous N/A II.A.18 Matte Granulation Exhaust Scrubbers (SME 011a1) Visual Inspection Continuous N/A. II.A.19 Slag Granulation Exhaust Scrubber (SME 010b) Visual Inspection Continuous N/A II.A.20 Slag Pot Filling Stations (SME 011a2) Visual Inspection Continuous N/A II.A.21 Anode Refining Furnaces (2) (SME 011h1) Visual Inspection Continuous N/A II.A.22 Secondary Gas System Lime Silo (SME 029) Visual Inspection Continuous N/A II.A.23 Anode Casting Wheels (SME 011h4) Visual Inspection Continuous N/A II.A.24 Anode Area Lime Silo (SME 028) Visual Inspection Continuous N/A II.A.25 Mold Casting Furnace (SME MOLD) Visual Inspection Continuous N/A. II.A.26 Anode Shaft Furnace (SME 011h2) Visual Inspection Continuous N/A II.A.27 Anode Holding Furnace (SME 011h3) Visual Inspection Continuous N/A II.A.28 Anode Area (SME 011h) Visual Inspection Continuous N/A II.A.29 Hot Metals Building Roof Vents (SME ROOF) Visual Inspection Continuous N/A II.A.30 Mold Coating (Barite) Bin (SME 015) Visual Inspection Continuous N/A II.A.31 Acid Plant Preheater (SME 008) Visual Inspection Continuous N/A II.A.32 Acid Plant (SME 011b) Visual Inspection Continuous N/A II.A.33 Acid Plant Process Gas Leak Collection System (SME GLCS) Visual Inspection Continuous N/A II.A.34 Hydrometallurgical Plant Limestone Bin (SME 019) Visual Inspection Continuous N/A II.A.35 Hydrometallurgical Plant Lime Bin (SME 020) Visual Inspection Continuous N/A II.A.36 Hydrometallurgical Plant (SME 011d) Visual Inspection Continuous N/A Title V Permit No. 3500030004 (KUC Smelter, Refinery) Annual Compliance Certification Report Page 11 II.A.37 Powerhouse Rentech Boiler (SME 030) Visual Inspection Continuous N/A II.A.38 Powerhouse Holman Boiler (SME 026) Visual Inspection Continuous N/A II.A.39 Main Stack (SME 011) Visual Inspection Continuous N/A II.A.40 Recycle Crushing and Storage Building (SME 027) Visual Inspection Continuous N/A II.A.41 Powerhouse (SME PH) Visual Inspection Continuous N/A II.A.42 Pyrometallurgical Natural Gas Consumption Group (SME NG) Visual Inspection Continuous N/A II.A.43 Smelter Laboratory Sample Preparation (SME 022) Visual Inspection Continuous N/A II.A.44 Vacuum Cleaning Systems (SME 017a, 17c) Visual Inspection Continuous FSF Vacuum System decommissioned – Letter sent to UDAQ 06/21/02 II.A.45 Smelter Unleaded Gasoline Storage Tank (SME SA-1) Visual Inspection Continuous N/A II.A.46 Smelter Cold Solvent Degreasers (SMEi210) Visual Inspection Continuous N/A II.A.47 Smelter Powerhouse Emergency Generators (SME gen) Visual Inspection Continuous N/A II.A.48 Smelter Cooling Towers (SME CT311, 316, 321) Visual Inspection Continuous N/A II.A.49 Space Heaters and Water Heaters (SME SH, WH) Visual Inspection Continuous N/A II.A.50 Storage Piles (SME STRG) Visual Inspection Continuous N/A II.A.51 Emergency Generator - Communications (SME COM GEN) Visual Inspection Continuous N/A II.A.52 Refinery Operations (designated as Refinery) Visual Inspection Continuous N/A II.A.53 Electrolytic Refining Tanks (REF TH) Visual Inspection Continuous N/A II.A.54 Liberator (REF 001) Visual Inspection Continuous N/A II.A.55 Refinery Boilers (REF 002/003) Visual Inspection Continuous N/A II.A.56 Cathode Washing (REF 004) Visual Inspection Continuous N/A II.A.57 Anode Scrap Washing (REF 005) Visual Inspection Continuous N/A II.A.58 Hydrometallurgical Precious Metals Recovery (REF 006) Visual Inspection Continuous N/A II.A.59 Soda Ash Silo (REF 011) Visual Inspection Continuous N/A II.A.60 Hydrometallurgical Silver Production (REF 007) Visual Inspection Continuous N/A II.A.61 Precious Metals Filter Press (REF 008) Visual Inspection Continuous N/A II.A.62 Selenium Crushing and Packaging (REF 009) Visual Inspection Continuous N/A. II.A.63 Gold/Silver Recovery (REF 010) Visual Inspection Continuous N/A II.A.64 Emergency Generator - Precious Metals (REFi 210) Visual Inspection Continuous N/A II.A.65 Refinery Laboratory Sample Preparation (REF PREP) Visual Inspection Continuous N/A II.A.66 Refinery Unleaded Gasoline Storage Tank (REF SA-1) Visual Inspection Continuous N/A II.A.67 Refinery Volatile Organic Liquid Storage Tank (REF VOL) Visual Inspection Continuous N/A II.A.68 Refinery Cold Solvent Degreasers (REFi 201) Visual Inspection Continuous N/A II.A.69 Refinery Paint Shop (REFi 202) Visual Inspection Continuous N/A II.A.70 Refinery Comfort Heaters (REFi204, 205, 206 ,207, 208) Visual Inspection Continuous N/A II.A.71 Refinery Cooling Towers (REF CT 001, 002) Visual Inspection Continuous N/A II.A.72 Emergency Generator - Communications (REF COM GEN) Visual Inspection Continuous N/A II.A.73 Refinery Combined Heat and Power Unit (REF CHP) Visual Inspection Continuous N/A Title V Permit No. 3500030004 (KUC Smelter, Refinery) Annual Compliance Certification Report Page 12 SMELTER OPERATIONS II.B.1. a At all times, including periods of startup, shutdown, and malfunction, the permittee shall, to the extent practicable, maintain and operate any permitted plant equipment, including associated air pollution control equipment, in a manner consistent with good air pollution control practice for minimizing emissions. Determination of whether acceptable operating and maintenance procedures are being used will be based on information available to the Executive Secretary which may include, but is not limited to, monitoring results, opacity observations, review of operating and maintenance procedures, and inspection of the source. All installations and facilities authorized by this permit shall be adequately and properly maintained. Maintenance records shall be maintained while the plant is in operation. All pollution control equipment shall be installed, maintained, and operated properly. Instructions from the vendor or established maintenance practices that maximize pollution control shall be followed. All necessary equipment control and operating devices, such as pressure gauges, amp meters, volt meters, flow rate indicators, temperature gauges, continuous emissions monitoring systems, etc., shall be installed, operated properly and easily accessible to compliance inspectors. A copy of all manufacturers' operating instructions for pollution control equipment and pollution emitting equipment shall be kept on site. These instructions shall be available to all employees who operate the equipment and shall be made available to compliance inspectors upon request. Maintenance records shall be made available to the Executive Secretary or Executive Secretary's representative upon request. Methods used to determine compliance include: monitoring required under conditions II.B.1.j. and II.B.1.k.; Visible emission surveys; continuous emission and opacity monitoring; continuous particulate and lead monitoring; and source testing. All of these monitoring activities have associated recordkeeping. All requested documents have been provided. Intermittent None II.B.1. b Permittee shall comply with the applicable requirements for servicing of motor vehicle air conditioners pursuant to 40 CFR 82, Subpart B-- Servicing of Motor Vehicle Air Conditioners. Documentation Recordkeeping Continuous None II.B.1.c The permittee shall comply with the applicable requirements for recycling and emission reduction for Class I and Class II refrigerants pursuant to 40 CFR 82, Subpart F. Recycling and Emissions Reduction. Documentation Recordkeeping Continuous None II.B.1.d Visible emissions shall be no greater than 20 percent unless otherwise specified in this permit. Visual Observation EPA Method 9 Observations Continuous None II.B.1.e Sulfur content of diesel fuel consumed shall be no greater than 0.0015 percent by weight. Fuel receipt records listing sulfur content, are maintained as required. Continuous None Title V Permit No. 3500030004 (KUC Smelter, Refinery) Annual Compliance Certification Report Page 13 II.B.1.f The permittee shall use natural gas as a primary fuel and propane as a back-up fuel. The propane shall only be used during periods of natural gas curtailment… Records are maintained that document fuel usage. Records are reviewed monthly for both primary and back-up fuels. Continuous None. II.B.1.g The permittee shall implement a fugitive dust control plan that has been approved by the Executive Secretary. Compliance shall be based on the permittee adhering to the most recently approved fugitive dust control plan. Natural sources of dust and fugitive emissions are not fugitive dust within the meaning of this condition. Approved Fugitive Dust Control Plan Approved 05/08/2018. Continuous None II.B.1.h All roads, permanent parking lots, and service yards directly servicing the permittee’s installations… shall be paved. Fugitive dust generated from these areas shall be limited to 20 percent opacity. Visual Inspections; Use of Water Trucks/Street Sweepers Continuous None. II.B.1.i Pressure drops and liquid flow rates for each scrubber listed…shall be maintained within the given ranges… Weekly field and electronic measurements. Continuous None II.B.1.j Pressure drops for each baghouse listed…shall be maintained within the given ranges. Weekly field and electronic measurements. Continuous None II.B.1.k The permittee shall maintain an Emergency Episode Plan outlining the procedures that will be taken in the event of an emergency episode as outlined in R307-105-2... An Emergency Episode Plan is maintained. Continuous None II.B.1.l Any open storage pile(s) shall be watered, covered, or chemically treated to minimize generation of fugitive dust, as dry conditions warrant.... Water Cannons; Chemical Dust Suppressant; Daily Field Observation Continuous None II.B.1.m The permittee shall operate and maintain an upwind/downwind fugitive SO2 monitoring system... Sulfur Dioxide Quality Assurance Project Plan Continuous None II.B.1.n Fugitive emissions shall be no greater than 15 percent opacity unless otherwise specified in this permit. Visual Inspections Continuous None II.B.l.o [State-only] Visible emissions caused by fugitive dust shall not exceed 10% at the property boundary and 20 percent onsite, except during periods when wind speeds exceed 25 miles per hour and control measures in the most recently approved fugitive dust control plan are being taken. Recordkeeping of implementation of fugitive dust control plan pre-wind event initiatives Continuous None II.B.l.p A Risk Management Plan (RMP) developed in accordance with 40 CFR 68 shall be submitted to the United States Environmental protection Agency The RMP was developed and submitted Continuous None II.B.1.q For all solvent cleaning operations, the permittee shall not use solvent products with a VOC content greater than the amounts specified in Table 1 of R307-304-5 Recordkeeping demonstrating compliance with this condition shall be kept. Continuous None Title V Permit No. 3500030004 (KUC Smelter, Refinery) Annual Compliance Certification Report Page 14 II.B.l.r Except as provided in R307-361-4, the permittee shall not supply, solicit for application, or apply within the counties in R307-361-2 any architectural coating with a VOC content in excess of the corresponding limit specified in Table 1 of R307-361-5…. Records demonstrating compliance with this condition shall be kept. Continuous None II.B.l.s The permittee shall not sell, supply, or offer for sale any adhesive, sealant, adhesive primer or sealant primer with a VOC content in excess of the limits in Table 1 of R307-342-5 and that was manufactured on or after September 1, 2014….. Records demonstrating compliance with this condition shall be maintained in accordance with Provision I.S.1 of this permit. Continuous None II.B.2.a Filter Plant Wet Feed Conveyor (SME001) Emissions of PM10 shall be no greater than 0.7 lbs/hour and 0.016 grains/dscfm and stack testing shall be conducted at no less than 90% of the maximum average hourly production rate achieved in a 24-hour period during the previous three (3) years. Compliance Stack Test 40 CFR 60, Appendix A, Methods 1-4 40 CFR 51, Appendix M Methods 201A & 202 Equipment Inspection by operator; Weekly/Monthly Visible Emission Observations Continuous Tested 11/27/24 Test Results pending II.B.2.b Visible emissions shall be no greater than 7 percent opacity. Visual observation performed weekly or monthly by an individual trained on EPA Method 9 Continuous None II.B.3.a Wet Feed Storage Building (SME002) Emissions of PM10 shall be no greater than 7.8 lbs/hour and 0.016 grains/dscfm and stack testing shall be conducted at no less than 90% of the maximum average hourly production rate achieved in a 24-hour period during the previous three (3) years.. Compliance Stack Test 40 CFR 60, Appendix A, Methods 1-4 40 CFR 51, Appendix M Methods 201A & 202 Equipment Inspection by operator; Weekly/Monthly Visible Emission Observations Continuous Tested 06/10-11/2024 PM10 = 0.20 lb/hour & 0.0010 gr/dscf II.B.3.b Visible emissions shall be no greater than 7 percent opacity. Visual observation performed weekly or monthly by an individual trained on EPA Method 9 Continuous None Title V Permit No. 3500030004 (KUC Smelter, Refinery) Annual Compliance Certification Report Page 15 II.B.4.a Wet Feed Conveyor Transfer Point (SME003) Emissions of PM10 shall be no greater than 0.4 lbs/hour and 0.016 grains/dscf and stack testing shall be conducted at no less than 90% of the maximum average hourly production rate achieved in a 24-hour period during the previous three (3) years.. Compliance Stack Test 40 CFR 60, Appendix A, Methods 1-4 40 CFR 51, Appendix M Methods 201A & 202 Equipment inspections by operator; weekly or monthly visible emission observations Continuous Tested 06/11-12/2024 PM = 0.064 lb/hour & 0.0058 gr/dscf II.B.4.b Visible emissions shall be no greater than 7 percent opacity. Visual observation performed weekly or monthly by an individual trained on EPA Method 9 Continuous None II.B.5.a Wet Feed Bins (SME004) Emissions of PM10 shall be no greater than 3.4 lbs/hr and 0.016 grains/dscfm and stack testing shall be conducted at no less than 90% of the maximum average hourly production rate achieved in a 24-hour period during the previous three (3) years.. Compliance Stack Test 40 CFR 60, Appendix A, Methods 1-4 40 CFR 51, Appendix M Methods 201A & 202 Equipment Inspection by operator; Weekly/Monthly Visible Emission Observations Continuous Tested 06/13/2024 PM10 = 0.11 lb/hour & 0.0012 gr/dscfm II.B.5.b Visible emissions shall be no greater than 7 percent opacity. Visual observation performed weekly or monthly by an individual trained on EPA Method 9. Continuous None II.B.6.a Flash Smelting Furnace Dry Feed Bin (SME005) Emissions of PM10 shall be no greater than 1.2 lbs/hour and 0.016 grains/dscfm. Compliance Stack Test 40 CFR 60, Appendix A, Methods 1-4 40 CFR 51, Appendix M Methods 201A & 202 Equipment Inspection by operator; Weekly/Monthly Visible Emission Observation Continuous Tested 11/19/20 PM10 = 0.19 lb/hour & 0.0091 gr/dscf Next stack test due by November 2025 II.B.6.b Visible emissions shall be no greater than 7 percent opacity. Visual observation performed weekly or monthly by an individual trained on EPA Method 9. Continuous None Title V Permit No. 3500030004 (KUC Smelter, Refinery) Annual Compliance Certification Report Page 16 II.B.7.a Rotary Dryer (SME011e) Emissions of TSP shall be no greater than 0.022 grains/dscfm. Compliance Stack Test 40 CFR 60, Appendix A, Methods 1-5 40 CFR 51, Appendix M Method 202 Equipment inspection by operator; Visible Emission Observations; Continuous Opacity Monitor Continuous Tested on 07/30/21 TSP =0.022 gr/dscf Next stack test due by July 2026 II.B.7.b Opacity shall be no greater than 15 percent. Continuous Opacity Monitoring (COM). Daily operation of COM, daily calibration of COM, quarterly filter audit on COM, intermittent maintenance activities, recordkeeping of maintenance activities, daily review of monitoring data and COM calibrations. Intermittent Refer to Table 1 for deviations relative to this condition. II.B.8.a Flash Smelter Furnace (FSF) Visible emissions shall be no greater than 20 percent opacity from the emergency generator. Visual Emissions observation when the generator operates for a period greater than 12 hours consecutively. Continuous None II.B.8.b The emergency generator shall comply with the emission standards for new nonroad compression ignition (CI) engines… Purchased a certified engine. Continuous None II.B.8.c The permittee shall operate and maintain the emergency generator according to manufacturer’s emission-related written instructions… Document proper maintenance and operation Continuous None II.B.8.d Any diesel fuel combusted in the emergency generator shall meet the requirements of 40 CFR 60.4207(b) for nonroad diesel… Fuel receipt records listing sulfur content, are maintained as required. Continuous None II.B.8.e In order for the engine to be considered emergency stationary ICE, the emergency generator shall be operated according to the requirements specified…any operation other than emergency operation, maintenance and testing…is prohibited…. Documentation recordkeeping of maintenance activities Documentation of less than 100 hours of maintenance and testing Continuous None Title V Permit No. 3500030004 (KUC Smelter, Refinery) Annual Compliance Certification Report Page 17 II.B.8.f By July 10, 2021 the permittee shall submit documentation to the Director of the status of the construction of the furnace dust crusher…. Records of required notifications will be maintained by the permittee. Continuous None II.B.9.a Slag Concentrator (SMESLAG) Visible emissions shall be no greater than 10 percent opacity from the slag concentrator bin and slag crushing & grinding transfer points. Weekly or monthly opacity observations, Operation of water sprays on Slag Concentrator Bin to minimize opacity. Weekly minimum inspections of water sprays. Continuous None II.B.9.b Emissions from the slag concentrator bin shall be controlled with water sprays. Treatment shall be of sufficient frequency and quantity to maintain the surface material in a damp/moist condition. The degree of control is a minimum of that required to meet the opacity limitation in Condition II.B.8.a of this permit. Sprays shall not be required during periods of freezing temperatures. Emissions from Slag Concentrator Bin are controlled with a water spray and visual inspections are performed weekly to ensure proper operating condition of water system and compliance with opacity limit. Continuous None II.B.9.c The crushing and screening operation shall not process more than 5,000 tons of material per calendar day and 750,000 tons of material per rolling 12-month period. Records of daily material processing and rolling 12- month totals. Continuous None II.B.9.d Water sprays or chemical dust suppression sprays shall be installed …to control fugitive emissions…. Visual Inspections Continuous None II.B.9.e Visible emissions shall be no greater than 7 percent opacity from all affected emissions units constructed, modified, or reconstructed on or after April 22, 2008, including but not limited to screens, transfer points, and all other affected emission units associated with the crushing and screening operation.…. Monthly periodic inspections of to ensure water is flowing in the wet suppression system. Method 9 performance test required for affected emissions units without water sprays. Test must be conducted within 5 years of previous performance test. Continuous None Title V Permit No. 3500030004 (KUC Smelter, Refinery) Annual Compliance Certification Report Page 18 II.B.10.a Smelter Limestone Flux Bin (SME006) Emissions of PM10 shall be no greater than 0.3 lbs/hour and 0.016 grains/dscfm and stack testing shall be conducted at no less than 90% of the maximum average hourly production rate achieved in a 24-hour period during the previous three (3) years. Compliance Stack Test 40 CFR 60, Appendix A, Methods 1-4 and Method 9 40 CFR 51, Appendix M Methods 201A & 202 Continuous Unit has not operated since 12/1996. No emissions II.B.10.b Visible emissions shall be no greater than 10 percent opacity. Monthly physical inspections Continuous Unit has not operated since 12/1996. No emissions II.B.11.a Dry Matte Bin (SME013) Emissions of PM10 shall be no greater than 0.3 lbs/hour and 0.016 grains/dscfm and stack testing shall be conducted at no less than 90% of the maximum average hourly production rate achieved in a 24-hour period during the previous three (3) years. Compliance Stack Test 40 CFR 60, Appendix A, Methods 1-4 and Method 9 40 CFR 51, Appendix M Methods 201A & 202 Equipment inspection by operator; Visible Emission Observations Continuous Tested 02/29/24 PM10 = 0.079 lb/hour & 0.0034 gr/dscf II.B.11.b Visible emissions shall be no greater than 10 percent opacity. Visual observation performed weekly by an individual trained in EPA Method 9 Continuous None II.B.12.a Flash Smelting & Converting Combined (SME FSF/FCF) All gases produced during smelting and/or converting....shall pass through an online sulfuric acid plant, except that during the startup and/or shutdown process....the gases shall be ducted....either to the acid plant or to the secondary gas system for control. Records are maintained and archived on the Smelter Plant Information System (PI). The PI data system utilizes the Smelter Distributive Control System (DCS). The PI system displays trends and documents damper positions. Continuous None II.B.13.a Conditions on Slag Granulation Exhaust Scrubber (SME 010) Emissions of PM10 shall be no greater than 1.9 lbs/hour (24 hour calendar day average). Compliance Stack Test Test methods referenced in 40 CFR 60, Appendix A and 40 CFR 51, Appendix M. Continuous Tested on 8/16/2022 PM10 = 0.51 lb/hour Title V Permit No. 3500030004 (KUC Smelter, Refinery) Annual Compliance Certification Report Page 19 II.B.13.b Emissions of SO2 shall be no greater than 2.0 lbs/hour (24 hour calendar day average)… Compliance Stack Test Test methods referenced in 40 CFR 60, Appendix A and 40 CFR 51, Appendix M. Continuous Tested on 8/16/2022 SO2= 0.000028 lb/hour II.B.13.c Hours of operation shall be no greater than 3,504 hours per rolling 12- month period. Operating logs Continuous None II.B.13.d Visible emissions shall be no greater than 15 percent opacity. Visual observation performed weekly by an individual trained on EPA Method 9 Continuous None II.B.14.a Secondary Gas System Lime Silo (SME 029) Visible emissions shall be no greater than 10 percent opacity. Visual observation performed weekly by an individual trained on EPA Method 9 or quarterly physical inspections Continuous None II.B.15.a Anode Area Lime Silo (SME 028) Visible emissions shall be no greater than 10 percent opacity. Visual observation performed weekly by an individual trained on EPA Method 9 or quarterly physical inspections Continuous None II.B.16.a Mold Coating (Barite) Bin (SME 015) Visible emissions shall be no greater than 10 percent opacity. Visual observation performed weekly by an individual trained on EPA Method 9 or monthly physical inspections Continuous None II.B.17.a Acid Plant Preheater (SME 008) Visible emissions shall be no greater than 10 percent opacity. Fuel records Continuous None II.B.17.b Consumption of natural gas shall be no greater than 74,476 MMBtu per 12 month period. Natural gas usage is recorded, maintained, and archived on the Smelter Plant Information System (PI). The PI data system utilizes the Plant Distributive Control System (DCS). Daily averages are recorded once a day and a 12- month average is calculated once a month within the first 25 days of each month. Continuous None Title V Permit No. 3500030004 (KUC Smelter, Refinery) Annual Compliance Certification Report Page 20 II.B.18.a Acid Plant (SME 011b) Emissions of SO2 shall be no greater than 250 ppmdv based on a 6 hour block average, 170 ppmdv based on a 24 hour calendar day average, and 100 ppmdv based on an annual average. Continuous Emission Monitoring System (CEMS) Daily operation of CEM, daily calibration of CEM, quarterly cylinder gas audits (CGA’s), relative accuracy test audit (RATA), intermittent maintenance activities, daily review of monitoring data and CEM calibration Intermittent Refer to Table 2 for deviations relative to this condition. SO2 RATA performed 6/18/24 Relative accuracy % Conc – ppmvd = 7.08% II.B.18.b Emissions of Sulfuric Acid shall be no greater than 0.67 mg/scf. and stack testing shall be conducted at no less than 90% of the maximum average hourly production rate achieved in a 24-hour period during the previous three (3) years. Compliance Stack Test 40 CFR 60, Appendix A, Methods 1, 2, 3, 4 and 8 Continuous Test performed 3/1/24 Sulfuric acid =0.56 mg/dscf II.B.18.c Visible emissions from the acid plant tail gas shall be no greater than 15 percent opacity. Continuous Opacity Monitor (COM). Daily operation of COM, daily calibration of COM, quarterly filter audit on COM, intermittent maintenance activities, recordkeeping of maintenance activities, daily review of monitoring data and COM calibrations. Intermittent Refer to Table 2 for deviations relative to this condition. II.B.19.a Acid Plant Process Gas Leak Collection System (SME GLCS) Visible emissions from acid plant process gas leaks shall be no greater than 20 percent opacity. Visual observation performed as required by an individual trained on EPA Method 9. Continuous None II.B.20.a Hydrometallurgical Plant Limestone Bin (SME 019) Visible emissions shall be no greater than 10 percent opacity. Monthly physical inspections or visual observations performed as required by an individual trained on EPA Method 9 Continuous None Title V Permit No. 3500030004 (KUC Smelter, Refinery) Annual Compliance Certification Report Page 21 II.B.21.a Hydrometallurgical Plant Lime Bin (SME 020) Visible emissions shall be no greater than 10 percent opacity. Monthly physical inspections or visual observations performed as required by an individual trained on EPA Method 9 Continuous None II.B.22.a Powerhouse Rentech Boiler (SME030 ) Emissions of NOX shall be no greater than 3.29 lbs/hour (30 Day Rolling Average) Initial compliance will be determined by a CEM in accordance with 40 CFR 60.46b(e) and (e)1. Subsequent compliance will be demonstrated in accordance with 40 CFR 60.46.b(e) and either 40 CFR 60.48b(g)(1) or 40 CFR 60.48b(g)(2). Either a CEM or an alternate plan shall be used to monitor boiler operating conditions and predict NOx emissions rates. Continuous Alternative Monitoring Plan Revision 1A submitted 10/29/21 Per NSPS Db an Updated Alternative Monitoring Plan for the Smelter Boiler System was submitted to DAQ on August 8, 2024 and is currently under review II.B.22.b Emissions of NOX shall be no greater than 4.94 lbs/hour (calendar day average) Stack testing to show compliance with the emissions limit shall be completed within 180 days of startup. Continuous Method 7 Stack Test performed October 4, 2023. NOx = 2.1 lbs/hr Submitted December 11, 2023 II.B.22.c Visible emissions shall be no greater than 10 percent opacity. Visual observation performed weekly or monthly by an individual trained on EPA Method 9. Continuous None II.B.23.a Powerhouse Holman Boiler (SME 026) Visible emissions shall be no greater than 10 percent opacity. Visual observation performed as required by an individual trained on EPA Method 9 Continuous None Title V Permit No. 3500030004 (KUC Smelter, Refinery) Annual Compliance Certification Report Page 22 II.B.23.b Emissions of NOx shall be no greater than 9.34 lbs/hour (30-day rolling average). Alternative Monitoring Plan submitted to DAQ on 12/4/98. A CEM was operated for 90 days to develop a predictive equation which is used to predict NOx emissions. 30-day average of fuel is used to predict NOx emissions and a 30-day average of oxygen is used to verify that conditions are the same as during the compliance test period. Steam is monitored in case heat input must be estimated (if gas numbers are not available). All parameters listed in this condition are monitored on a continuous basis, maintained, and archived on the Smelter Plant Information System (PI) for each boiler. The PI data system utilizes the Plant Distributive Control System. The flue gas recirculation damper is locked to prevent movement of damper position. Continuous Per NSPS Db an Updated Alternative Monitoring Plan for the Smelter Boiler System was submitted to DAQ on August 8, 2024 and is currently under review. II.B.23.c Emissions of NOx shall be no greater than 14.0 lbs/hour (calendar-day average)... Compliance Stack Test 40 CFR 60, Appendix A, Methods 1, 7E and 2 Continuous Tested on 10/5/2023 NOx=7.2 lb/hr Title V Permit No. 3500030004 (KUC Smelter, Refinery) Annual Compliance Certification Report Page 23 II.B.24.a Main Stack (SME 011) Emissions of PM10 shall be no greater than 89.5 lbs/hour. (24 hour calendar day average) and 439 lbs/hour (filterable + condensable) Continuous Particulate Sampler operated on a daily basis. Sampler is operated and maintained as specified in the Monitoring Plan for Particulate and Lead Emissions and Sampling Procedures for Particulate and Lead Emissions approved by the DAQ on 8/21/01 and revised on 8/24/07. Intermittent PM Emissions exceeded 89.5 lbs/hr on January 5 and October 27, 2024 PM Monitoring System hardware failure from August 11 to September 3, 2024 Deviation letters submitted February 8, October 4, and November 12, 2024 Refer to Table 6 for deviations from this condition Tested on 12/21-22/2023 PM10 = 7.38 lb/hr PM10 filterable/condensable = 17.0 lb/hr Stack was tested 12/4/24 Results pending II.B.24.b Emissions of SO2 shall be no greater than 552 lbs/hour based on a 3 hour average, 422 lbs/hour based on a 24 hour calendar day average, and 211 lbs/hour based on an annual average… Continuous Emission Monitoring System (CEM). Daily operation of CEM, daily calibration of CEM, quarterly cylinder gas audits (CGA’s), relative accuracy test audits (RATA), intermittent maintenance activities, recordkeeping of maintenance activities, daily review of monitoring data and CEM calibrations. Failure to measure any 18 consecutive hours of emissions data shall constitute a violation Intermittent Refer to Table 3 for deviations from this condition. SO2 RATA performed on 5/28/24 Relative accuracy % Conc – ppmvd = 18.00% Emission Rate (lb/hr) = 12.82% Title V Permit No. 3500030004 (KUC Smelter, Refinery) Annual Compliance Certification Report Page 24 II.B.24.c Opacity shall be no greater than 20 percent. Continuous Opacity Monitor (COM). Daily operation of COM, daily calibration of COM, quarterly filter audit on COM, intermittent maintenance activities, recordkeeping of maintenance activities; daily review of monitoring data and COM calibrations. Intermittent Refer to Table 4 for deviations from this condition. II.B.24.d. Emissions of Lead shall be no greater than 1.3 lbs/hr (annual average). Continuous Particulate Monitoring System. Monitoring Plan for particulate and Lead emissions and Sampling Procedures for Particulate and Lead Emissions submitted to DAQ 10/10/00 and approved by DAQ on 8/21/01 and revised on 8/24/07. Continuous None II.B.24.e Emissions of NOx shall be no greater than 35.0 lbs/hr (annual average). Continuous Emission Monitoring System (CEM). Daily operation of CEM, daily calibration of CEM, quarterly cylinder gas audits CGAs), relative accuracy test audits (RATA), intermittent maintenance activities, recordkeeping of maintenance activities, daily review of monitoring data and CEM calibrations, chart recorders. Intermittent NOX RATA performed on 5/29/24 Relative accuracy % Conc – ppmvd = 6.15% Emission Rate (lb/hr) = 4.88% Title V Permit No. 3500030004 (KUC Smelter, Refinery) Annual Compliance Certification Report Page 25 II.B.24.f Emissions of PM2.5 shall be no greater than 85 lbs/hour. (filterable) and 434 lbs/hr (filterable + condensable). Compliance Stack Test 40 CFR 60, Appendix A, Methods 1, 201A and 202 Continuous Tested December 21 and 22, 2023 PM2.5 (filterable)= 5.63 lbs/hour PM2.5 (filterable+condensable) = 24.4 lbs/hour Tested 12/4/24 results pending II.B.25.a Recycle Crushing and Storage Building (SME 027) Visible emissions shall be no greater than 10 percent opacity. Visual observation performed monthly by an individual trained on EPA Method 9. Continuous None II.B.26.a Powerhouse (SME PH) Maintain records of the amount of each fuel combusted during each calendar month for the superheater. Gas readings shall be recorded on a monthly basis for the previous month and shall be maintained as described by in Provision 1.S. of this permit. Continuous None II.B.26.b Emissions of NOx shall not exceed 23.3 tons per rolling 12 month period from the Holman Boiler and Rentech Boiler combined. Alternative Monitoring Plan for Smelter Boiler System (Revision 1A) Continuous None II.B.27.a Pyrometallurgical Natural Gas Consumption Group (SME NG) Consumption of natural gas shall be no greater than 1,947,847 MMBtu per rolling 12 month period. Natural gas usage is recorded, maintained, and archived on the Smelter Plant Information System (PI). The PI data system utilizes the Plant Distributive Control System. Daily averages are recorded once a day and a 12-month average is calculated once a month within the first 20 days of each month. Continuous None II.B.28.a Smelter Laboratory Sample Preparation (SME 022) Visible emissions shall be no greater than 10 percent opacity. Visual observation performed as required by an individual trained on EPA Method 9. Continuous None II.B.29.a Vacuum Cleaning Systems (SME 017a,c) Emissions of PM10 shall be no greater than 0.7 lbs/hr combined and 0.016 grains/dscfm. Compliance Stack Test 40 CFR 60, Appendix A, Methods 1, 2C, 3, 4, 9 40 CFR 51, Appendix M Methods 201A & 202 Continuous Unit has not operated since 06/2002. Emissions = 0 Title V Permit No. 3500030004 (KUC Smelter, Refinery) Annual Compliance Certification Report Page 26 II.B.29.b Visible emissions shall be no greater than 10 percent opacity. Monthly physical inspections while operating. Continuous Unit has not operated since 06/2002. Emissions = 0 II.B.30 Smelter Unleaded Gasoline Storage Tank (SME SA-1) The permittee shall maintain records of the average monthly storage temperature, the type of liquid, throughput quantities, and the maximum true vapor pressure. Records of daily average temperature readings are maintained. MSDS on file from supplier of type of liquid. Purchase records are maintained for throughput quantities. Maximum true vapor pressure records maintained. Continuous None II.B.30.b At least 90 percent of the gasoline vapor, by weight, displaced during the filling of the stationary storage container shall be prevented from being released to the atmosphere. Vapor recovery system in use. Continuous None II.B.30.c The permittee shall not allow gasoline to be handled in a manner that would result in vapor releases to the atmosphere for extended periods of time…. Records of gasoline throughput. Records of maintenance activities. Continuous None II.B.31.a Smelter Cold Solvent Degreasers (SMEi210) The permittee shall ensure that the following conditions are met: (1) each degreaser equipped with a cover which shall remain closed....(2)an internal draining rack shall be installed....(3)waste or used solvent shall be stored in covered containers....(4)tanks, containers, and all associated equipment shall be maintained in good operating condition....(5)written procedures for the operation and maintenance shall be posted....(6)....(7).... Monthly Visual Inspections. Continuous None II.B.32.a Smelter Powerhouse Emergency Generators (SME gen) Visible emissions shall be no greater than 20 percent opacity. Visual observation if operated greater than 12 consecutive hours. Continuous None II.B.32.b The permittee shall comply with…operating limitations at all times for each emergency affected emission unit… Non-resettable hour meter installed. Operating logs maintained. Continuous None Title V Permit No. 3500030004 (KUC Smelter, Refinery) Annual Compliance Certification Report Page 27 II.B.32.c The permittee shall operate and maintain any affected source…in a manner consistent with safety and good air pollution control practices for minimizing emissions… Documentation recordkeeping of maintenance activities Continuous None REFINERY OPERATIONS II.B.33.a Conditions on Refinery Operations At all times, including periods of startup, shutdown, and malfunction, the permittee shall, to the extent practicable, maintain and operate any permitted plant equipment, including associated air pollution control equipment, in a manner consistent with good air pollution control practice for minimizing emissions... Methods used to determine compliance include: monitoring required under conditions II.B.34.a..; Visible emission surveys and source testing. All of these monitoring activities have associated recordkeeping. Continuous None. II.B.33.b The permittee shall comply with the applicable requirements for recycling and emission reduction for class I and class II refrigerants pursuant to 40CFR82, Subpart F- Recycling and Emissions Reduction. Documentation Recordkeeping Continuous None II.B.33.c Visible emissions shall be no greater than 10 percent opacity unless otherwise specified in this permit. Visual inspections EPA Method 9 Observations Continuous None II.B.33.d Sulfur content of diesel fuel consumed shall be no greater than 15 ppm or less, which meets the definition of ultra-low-sulfur diesel. Records are maintained as required Continuous None II.B.33.e The permittee shall comply with the fugitive dust requirements and work practices contained in R307-309-7 and R307-309-9 as applicable. Records that demonstrate compliance with this condition and records required by the most recent approved fugitive dust control plan shall be maintained. Continuous None Title V Permit No. 3500030004 (KUC Smelter, Refinery) Annual Compliance Certification Report Page 28 II.B.33.e1 All roads, permanent parking lots, and service yards directly servicing the permittee’s approved constructed installations listed as emissions units II.A.53 through II.A.73 shall be paved. Fugitive dust shall be limited to 20 percent opacity. Methods of control shall include, but not limited to sweeping and flushing of the affected areas. Visual observation performed weekly or monthly by an individual trained on EPA Method 9. Continuous None II.B.33.f The permittee shall comply with the applicable requirements for servicing motor vehicle air conditioners pursuant to 40 CFR 82, Subpart B – Servicing of Motor Vehicle air Conditioners. All records shall be maintained consistent with the requirements of Provision S.1 of this permit. Continuous None II.B.33.g Pressure drops (inches Water Gauge) and liquid flow rates (gpm) for each scrubber listed shall be maintained within the given ranges. REF 006: Pressure Drop =5-15, liquid flow rate = >100 gpm REF 007: Pressure Drop =0.75-4, liquid flow rate = >60 gpm Daily operator equipment inspections and documentation maintained as required Continuous None II.B.33.h Permittee shall maintain an Emergency Episode Plan outlining the procedures that will be taken in the event of an emergency episode... The emergency episode plan is maintained and was submitted to the Executive Secretary for approval as required Continuous None II.B.33.i Fugitive emissions shall be no greater than 15 percent opacity unless otherwise specified in this permit. Visual inspections, EPA Method 9 Observations Continuous None II.B.33.j The permittee shall implement a fugitive dust control plan that has been approved by the Executive Secretary. Compliance shall be based on the permittee adhering to the most recently approved fugitive dust control plan. The current Plan is maintained and was submitted and approved by the Executive Secretary, Visual inspections, EPA Method 9 Observations Continuous None II.B.33.k [State-only] Visible emissions caused by fugitive dust shall not exceed 10% at the property boundary, except during periods when wind speeds exceed 25 miles per hour and control measures in the most recently approved fugitive dust control plan are being taken. Recordkeeping of implementation of fugitive dust control plan pre-wind event initiatives Continuous None II.B.33.l Consumption of gaseous fuel shall be no greater than 966,228 dekatherms (MMBtu) per rolling 12-month period for the CHP unit and south tankhouse boiler combined Records are maintained as required Continuous None. II.B.33.m For all solvent cleaning operations, the permittee shall not use solvent products with a VOC content greater than the amounts specified in Table 1 of R307-304-5 Recordkeeping demonstrating compliance with this condition shall be kept. Continuous None Title V Permit No. 3500030004 (KUC Smelter, Refinery) Annual Compliance Certification Report Page 29 II.B.33.n Except as provided in R307-361-4, the permittee shall not supply, solicit for application, or apply within the counties in R307-361-2 any architectural coating with a VOC content in excess of the corresponding limit specified in Table 1 of R307-361-5…. Records demonstrating compliance with this condition shall be kept. Continuous None II.B.33.o The permittee shall not sell, supply, or offer for sale any adhesive, sealant, adhesive primer or sealant primer with a VOC content in excess of the limits in Table 1 of R307-342-5 and that was manufactured on or after September 1, 2014….. Records demonstrating compliance with this condition shall be maintained in accordance with Provision I.S.1 of this permit. Continuous None II.B.34.a Conditions on Liberator (REF 001) Emissions of Sulfuric Acid shall be no greater than 0.004 grains/dscf and 0.46 lbs/hour. Compliance Stack Test 40 CFR 60, App. A Methods 1, 2, and 8 . Visual observations performed by an individual trained on the observation procedures of EPA Method 9 Continuous Tested on 8/25/2022 H2SO4 = 0.00014 gr/dscf H2SO4 = 0.0031 lb/hr Tested every three (3) years II.B.34.b Visible emissions shall be no greater than 15 percent opacity from the demisters. Visual Observations Continuous None II.B.35.a Conditions on Refinery Boilers(REF 002/003) Permittee shall maintain records of the amount of each fuel combusted each calendar month for each affected emission unit. Daily operator records Continuous None REF 002 Decommissioned 10/27/2020 II.B.35.b The permittee shall use natural gas as the primary fuel and # 2 fuel oil or better as backup fuel…used during periods of natural gas curtailment and during testing and maintenance periods Recordkeeping, Documentation Continuous None II.B.35.c Visible emissions shall be no greater than 10 percent opacity. Visual observations performed as required by an individual trained on EPA Method 9 Continuous None II.B.35.d Emission of NOx shall be no greater than 4.75 lbs/hour from each stack and 9.5 lbs/hr combined prior to decommissioning the north boiler. After the north boiler is decommissioned emissions of NOx from the South Boiler shall not exceed 1.5 lbs/hr and 9 ppmvd at 3% O2. Compliance Stack Test 40 CFR 60, App. A Methods 1, 7, 7A,7B,7C, 7D or7E and Method 2. Continuous REF002 2/22/2017 NOX = 3.3 lb/hour Decommissioned 10/27/2020 REF003 Tested 12/15/2023 NOx = 7.9 ppmvd NOx = 0.73 lb/hr Title V Permit No. 3500030004 (KUC Smelter, Refinery) Annual Compliance Certification Report Page 30 II.B.35.e Emissions of CO shall be no greater than 3.00 lbs/hour from the south tankhouse boiler. Compliance Stack Test 40 CFR 60, App. A Methods 1, 10 and 2. Continuous REF002 Tested on 02/22/2017 CO = 0.06 lb/hour Decommissioned. 10/27/2020 REF003 Tested on 12/15/2023 CO = 0.015 lb/hr Stack tested every three years. II.B.35.f Sulfur content of fuel oil burned shall be no greater than 0.0015 percent by weight. Fuel receipt records listing sulfur content are maintained as required. Continuous None II.B.35.g The permittee shall operate and maintain the permitted plant equipment, air pollution control equipment, and monitoring equipment in a manner consistent with good air pollution control practices for minimizing emissions at all times including during startup, shutdown, and malfunction. [Origin: DAQE-AN103460058-20, SIP Section IX.H.2.i, SIP Section IX.H.12.j]. [R307-401-8, SIP Section IX.H.12.j, SIP Section IX.H.2.i] Records required for this permit condition will serve as monitoring. Continuous None II.B.36.a Conditions on Cathode Washing (REF 004) Emissions of sulfuric acid shall be no greater than 0.0008 grains/dscf and 0.12 lb/hour. Compliance Stack Test 40 CFR 60, App. A Methods 1, 2, and 8. Continuous Tested on 8/23/2022 H2SO4 = 0.00012 gr/dscf H2SO4 = 0.0026 lb/hour Tested every three (3) years II.B.36.b Visible emissions shall be no greater than 15 percent opacity. Visual observations as required by individual trained on EPA Method 9 Continuous None II.B.37.a Conditions on Anode Scrap Washing (REF 005) Emissions of sulfuric acid shall be no greater than 0.0008 grains/dscf and 0.02 lbs/hour. Compliance Stack Test 40 CFR 60, App. A Methods 1, 2, and 8 Continuous Tested on 08/24/2022 H2SO4 = 0.00015 gr/dscf H2SO4 = 0.0010 lb/hour Tested every three (3) years II.B.37.b Visible emission should be no greater than 15 percent opacity. Visual observations performed as required by individual trained on EPA Method 9 Continuous None II.B.38.a Conditions on Hydrometallurgical Precious Metals Recovery (REF 006) Emissions of SO2 shall be no greater than 1.7 lbs/hour. Compliance Stack Test 40 CFR 60, App. A Methods 1, 6, 6A, 6B or 6C and 2 Continuous Tested on 3/13/24 SO2 =0.019 lb/hour Stack tested every three years. II.B.38.b Emissions of Lead shall be no greater than 0.02 lbs/hour. Compliance Stack Test 40 CFR 60, App. A Methods 1, 2, and 12 Continuous Tested on 3/13/24 Pb = 0.00022 lb/hour Stack tested every three years. Title V Permit No. 3500030004 (KUC Smelter, Refinery) Annual Compliance Certification Report Page 31 II.B.38.c Emissions of sulfuric acid shall be no greater than 0.005 grains/dscf and 0.36 lb/hour. Compliance Stack Test 40 CFR 60, App. A Methods 1, 2, and 8 Continuous Tested on 3/13/24 H2SO4 = 0.0000061 gr/dscf H2SO4 = 0.005 lb/hour Stack tested every three years. II.B.38.d Visible emissions shall be no greater than 15 percent opacity. Visual observation performed as required by an individual trained on EPA Method 9 Continuous None II.B.38.e Emissions of Hydrochloric acid (Hydrogen Chloride) shall be no greater than 0.003 grains/dscf and 0.22 lb/hour… Compliance Stack Test 40 CFR 60, App. A Methods 1, 2, 26 or 26A Continuous Tested on 3/13/24 HCl = 0.000021 gr/dscf HCL = 0.022 lb/hour Stack tested every three years. II.B.39.a Conditions on Soda Ash Silo (REF 011) Visible emissions shall be no greater than 10 percent opacity during silo loading operations. Visual observations performed as required by an individual trained on EPA Method 9 Continuous None II.B.40.a Conditions on Hydrometallurgical Silver Production (REF 007) Visible emissions shall be no greater than 15 percent opacity. Visual observations performed as required by in individual trained on EPA Method 9 Continuous None II.B.40.b Emissions of Sulfuric Acid shall be no greater than 0.009 grains/dscf and 0.22 lb/hour. Compliance Stack Test 40 CFR 60, App. A Methods 1, 2, and 8 Continuous Tested on 3/14/24 H2SO4 = 0.00013 gr/dscf H2SO4 = 0.0055 lb/hour Stack tested every three years. II.B.40.c Emissions of Ammonia shall be no greater than 0.14 lbs/hour. Compliance Stack Test 40 CFR 60, App. A Methods 1 and 2 Continuous Tested on 3/14/24 NH3 = 0.0049 lb/hour Stack tested every three years. II.B.41.a Conditions on Precious Metals Filter Press (REF 008) Visible emissions shall be no greater than 10 percent opacity. Visual observations performed as required by an individual trained on EPA Method 9 Continuous None II.B.42.a Selenium Crushing and Packaging (REF 009) Visible emissions shall be no greater than 10 percent opacity. Visual observations performed as required by an individual trained on EPA Method 9 Continuous None II.B.42.b The baghouse pressure drop shall not be less than 1.0 inches of water gauge or greater than 6.0 inches of water gauge. Records are maintained as required Continuous None Title V Permit No. 3500030004 (KUC Smelter, Refinery) Annual Compliance Certification Report Page 32 II.B.43.a Conditions on Gold/Silver Recovery (REF 010) Emissions of PM10 shall be no greater than 0.010 grains/dscf and 0.43 lbs/hour. Compliance Stack Test 40 CFR 60, Appendix A, Methods 1, 5, 5A, 5D or 5E or 40 CFR 51, Appendix M 201 or 201A. , Method 202 for condensable PM Continuous Tested on 3/15/24 PM10 = 0.0014 gr/dscf PM10 = 0.025 lb/hour Stack tested every three years. II.B.43.b Visible emissions shall be no greater than 10 percent opacity. Visual observations performed by an individual trained on EPA Method 9 Continuous None II.B.44.a Conditions on Emergency Generator - Precious Metals (REFi 210) Visible emissions shall be no greater than 20 percent opacity. Visual observation if operated greater than 12 hours Continuous None II.B.44.b The permittee shall comply with the following operating limitations at all times for each emergency affected emission unit… Non-resettable hour meter installed. Operating logs maintained. Continuous None II.B.44.c At all times, the permittee shall operate and maintain any affected source, including associated air pollution control equipment and monitoring equipment, in a manner consistent with safety and good air pollution control practices for minimizing emissions. Documentation recordkeeping of maintenance activities Continuous None II.B.45.a Conditions on Refinery Unleaded Gasoline Storage Tank (REF SA-1) Permittee shall maintain records of the average monthly storage temperature, the type of liquid, throughput quantities, and the maximum true vapor pressure. Records of daily and monthly average temperature readings are maintained. MSDS on file from supplier of type of liquid. Purchase records are maintained for the throughput quantities and equipment certifications are on file to ensure maximum true vapor pressure Continuous None II.B.45.b At least 90 percent of the gasoline vapor, by weight, displaced during the filling of the stationary storage container shall be prevented from being released to the atmosphere. The permittee shall not allow gasoline to be handled in a manner that would result in vapor releases to the atmosphere for extended periods of time…. Equipment certifications provided by supplier are kept on file to ensure at least 90% of the gasoline vapor is captured during filling of the container Continuous None Title V Permit No. 3500030004 (KUC Smelter, Refinery) Annual Compliance Certification Report Page 33 II.B.46.a Conditions on Refinery Cold Solvent Degreasers (REFi 201) The permittee shall ensure that the following conditions are met: (1) Each solvent degreaser is equipped with a cover which shall remain closed....(7)If used, the solvent spray shall be solid fluid stream at a pressure which does not cause excessive splashing and may not be a fine, atomized or shower type spray. Visual inspection records Continuous None II.B.47.a Emergency Generator - Communications (REF COM GEN) The permittee shall use only liquefied petroleum gas for fuel in the affected emissions unit. Fuel records maintained Continuous None II.B.48.a Conditions on #REF CHP: Refinery Combined Heat and Power Unit Combined emissions of NOx shall be no greater than 5.96 lbs/hour from the gas turbine with the TEG firing and the duct burner and no greater than 7.49 lbs/hr during fresh air firing mode Compliance Stack Test 40 CFR 60, App. A Methods 1, 2, and 7, 7A, 7B,7C,7D, or 7E Continuous Testing was done on 12/14/23 Combined H&P NOx=3.6 lb/r Turbine Only NOx = 6.4 ppmvd at 15% O2 Duct Burner Only NOx=4.8 lb/hr Testing done 11/20-21/2024 Results Pending II.B.48.b Combined emissions of CO shall be no greater than 7.33 lbs/hour from the gas turbine with the TEG firing and the duct burner and no greater than 2.5 lbs/hr during fresh air firing mode. Compliance Stack Test 40 CFR 60, App. A Methods 1, 2, and 10 Continuous Testing was done on 12/14/23 Combined H&P CO=2.2 lb/hr Duct Burner Only CO=2.4 lb/hr Testing done 11/20-21/2024 Results Pending II.B.48.c Visible emissions shall be no greater than 10 percent opacity. Visual observations performed by an individual trained on EPA Method 9 Continuous None II.B.48.d For new natural gas fired stationary combustion turbines with heat input at peak load (HHV) greater than 50 MMBtu/h and less than or equal to 850 MMBtu/h, emissions of NOx shall be no greater than 25 ppm at 15 percent O2 or 150 nanograms per Joule (ng/J) of useful output (1.2 pounds per megawatt-hour (lb/MWh)). Compliance Stack Test 40 CFR 60.4400(a)(1)- (a)(3)(ii)(B), 60.4400(b), 60.4400(b)(2), 60.4400(b)(4), 60.4400(b)(6) Continuous None II.B.48.e For heat recovery units operating independent of the combustion turbine, emissions of NOx shall be no greater than 54 ppm at 15 percent O2 or 110 ng/J of useful output (0.86 lb/MWh). Compliance Stack Test 40 CFR 60.4400(a)(1)- (a)(3)(ii)(B), 60.4400(b), 60.4400(b)(2), 60.4400(b)(4), 60.4400(b)(6) Continuous None Title V Permit No. 3500030004 (KUC Smelter, Refinery) Annual Compliance Certification Report Page 34 II.B.48.f The permittee shall comply with either (1) or (2) below: (1) The permittee shall not discharge into the atmosphere from the subject stationary combustion turbine any gases which contain SO2 in excess of 110 nanograms per Joule (ng/J) (0.90 pounds per megawatt- hour (lb/MWh)) gross output; (2) The permittee shall not burn in the subject stationary combustion turbine any fuel which contains total potential sulfur emissions in excess of 26 ng SO2/J (0.060 lb SO2/MMBtu) heat input… Natural gas fuel quantities and sulfur content from supplier per contract is maintained. Continuous None II.B.48.g The permittee shall operate and maintain the stationary combustion turbine, air pollution control equipment, and monitoring equipment in a manner consistent with good air pollution control practices for minimizing emissions at all times including during startup, shutdown, and malfunction. Methods used to determine compliance include: Required monitoring; visible emission surveys; compliance assurance monitoring; maintenance; and source testing. All of these monitoring activities have associated recordkeeping. Continuous None II.B.48.h The permittee shall only use natural gas as a fuel in the CHP turbine and the duct burner Documentation that the emission unit can only burn natural gas or documentation that fuels other than natural gas cannot be supplied to the emission unit without modification of the fuel supply system. Continuous None II.C. Emissions Trading. Not Applicable to this source. N/A N/A N/A II.D. Alternative Operating Scenarios. Not applicable to this source. N/A N/A N/A SECTION III: PERMIT SHIELD III.A. 40 CFR, Part 60, Subpart LL (NSPS, Metallic Mineral Processing Plants. This regulation is not applicable to the permitted source....... N/A N/A N/A III.B. 40 CFR, Part 61, Subpart O (National Emission Standard for Inorganic Arsenic Emissions from Primary Copper Smelters. This regulation is not applicable to the Smelter Operations.... N/A N/A N/A SECTION IV: ACID RAIN PROVISIONS IV.A. This source is not subject to Title IV. This section is not applicable. N/A N/A N/A Title V Permit No. 3500030004 (KUC Smelter, Refinery) Annual Compliance Certification Report Page 35 Summary Tables: Table 1 – Table 6 Table 1 The following table lists the days on which the concentrate dryer opacity 6-minute average exceeded 15% intermittently. The dates that timely notification was submitted to the DAQ are included. Condition II.B.7.b Concentrate Dryer Opacity >15% (6-minute average) KUC timely notification to DAQ? Were monitoring requirements met? Yes Were there any deviations to the limit? Yes In lieu of attaching a list of permit requirements for which there were reported deviations, these reports submitted in accordance with permit provision I.S.2.c, and UAC R307-415-6a(3)(c)(ii) are listed along with the dates provided to UDAQ Third Quarter 2024, Continuous Emission Monitoring Report Kennecott Utah Copper Smelter 10/30/2024 Title V Permit No. 3500030004 (KUC Smelter, Refinery) Annual Compliance Certification Report Page 36 Table 2 The following table list the events in which the 6-hour average tail gas sulfur dioxide emissions limit of 250 ppm and / or the 24-hour calendar day limit of 170 ppm was exceeded and / or monitoring requirement were not met due to monitor or calibration failures and the dates that timely notification was submitted to the DAQ explaining these excursions. Condition II.B.18.a Acid Plant Tail Gas (6-hr average & 24-hr calendar day average) KUC timely notification to DAQ? Were monitoring requirements met? No Were there any deviations to the limit/condition? No In lieu of attaching a list of permit requirements for which there were deviations, the deviation reports submitted in accordance with permit provision I.S.2.c, and UAC R307-415-6a(3)(c)(ii) are listed along with the dates the reports were sent to UDAQ First Quarter 2024, Continuous Emission Monitoring Report Kennecott Utah Copper Smelter 4/30/2024 Title V Permit No. 3500030004 (KUC Smelter, Refinery) Annual Compliance Certification Report Page 37 Table 3 The following table lists the events in which the 3-hour average main stack sulfur dioxide emissions limit of 552 lbs/hr was exceeded and/or periods when SO2 was not monitored for more than 18 consecutive hours due to non-monitor equipment malfunction and the dates that timely notification was submitted to the DAQ explaining these excursions. Condition II.B.24.b Main Stack (3-hour & 24-hour average) KUC timely notification to DAQ? Were monitoring requirements met? Yes Were there any deviations to the limit/condition? Yes In lieu of attaching a list of permit requirements for which there were deviations, the deviation reports submitted in accordance with permit provision I.S.2.c, and UAC R307-415-6a(3)(c)(ii) are listed along with the dates the reports were sent to UDAQ Second Quarter 2024, Continuous Emissions Monitoring Report Kennecott Utah Copper Smelter Third Quarter 2024, Continuous Emission Monitoring Report Kennecott Utah Copper Smelter Fourth Quarter 2024, Continuous Emission Monitoring Report Kennecott Utah Copper Smelter 07/30/2024 10/30/2024 1/30/2025 (Pending Title V Permit No. 3500030004 (KUC Smelter, Refinery) Annual Compliance Certification Report Page 38 Table 4 The following table lists the days in which the six-minute average main stack opacity limit of 20% was exceeded intermittently and the dates that timely notification was submitted to the DAQ are included. Condition II.B.24.c Main Stack Opacity >20% (6-minute average) KUC timely notification to DAQ? Were monitoring requirements met? Yes Were there any deviations to the limit? Yes In lieu of attaching a list of permit requirements for which there were deviations, the deviation reports submitted in accordance with permit provision I.S.2.c, and UAC R307-415-6a(3)(c)(ii) are listed along with the dates the reports were sent to UDAQ First Quarter 2024, Continuous Emission Monitoring Report Kennecott Utah Copper Smelter Second Quarter 2024, Continuous Emission Monitoring Report Kennecott Utah Copper Smelter Third Quarter 2024, Continuous Emission Monitoring Report Kennecott Utah Copper Smelter Fourth Quarter 2024, Continuous Emission Monitoring Report Kennecott Utah Copper Smelter 04/29/2024 07/30/2024 10/30/2024 1/30/2025 (Pending) Title V Permit No. 3500030004 (KUC Smelter, Refinery) Annual Compliance Certification Report Page 39 Table 5 The following table lists the days in which the acid plant six-minute average opacity exceeded 15% intermittently. The dates that timely notification was submitted to the DAQ are included. Condition II.B.18.c Acid Plant Tail Gas Opacity > 15% (6-minute average) KUC timely notification to DAQ? Were monitoring requirements met? Yes Were there any deviations to the limit? Yes In lieu of attaching a list of permit requirements for which there were deviations, the deviation reports submitted in accordance with permit provision I.S.2.c, and UAC R307-415-6a(3)(c)(ii) are listed along with the dates the reports were sent to UDAQ First Quarter 2024, Continuous Emission Monitoring Report Kennecott Utah Copper Smelter Third Quarter 2024, Continuous Emission Monitoring Report Kennecott Utah Copper Smelter 04/29/2024 07/30/2024 Title V Permit No. 3500030004 (KUC Smelter, Refinery) Annual Compliance Certification Report Page 40 Table 6 The following table lists the days in which the PM-10 emissions monitoring requirements were not met and the dates that the timely notification was submitted to DAQ. In lieu of attaching a list of permit requirements for which there were deviations, the deviation reports submitted in accordance with permit provision I.S.2.c and UAC R307-415-6a(3)(c)(ii) are listed along with the dates the reports were sent to UDAQ. Condition II.B.24.a Emissions of PM10 shall be no greater than 89.5 lbs/hour (24 hour average – calendar day) KUC timely notification to DAQ? Were monitoring requirements met? Were there any deviations to the limit? Deviation Letter to DAQ Kennecott Utah Copper Smelter February 8, 2024 Yes Yes Deviation Letter to DAQ Kennecott Utah Copper Smelter October 4, 2024 No No Deviation Letter to DAQ Kennecott Utah Copper Smelter November 13, 2024 Yes Yes