DAQ-2024-011146

Amanda Burton
Chief, Environmental Branch
75 CEG/CEIE
7290 Weiner Street, Building 383
Hill AFB UT 84056-5003
Director
Utah Division of Air Quality
Attention: Compliance Section
P.O. Box 144820
Salt Lake City UT 84114-4820
Dear Director
Attachment:
Semiannual Compliance Status
cc:
U.S. Environmental Protection
Air Permitting and Monitoring
1595 Wynkoop Street
Denver CO 80202-1129
DEPARTMENT OF THE AIR FORCE
75TH CIVIL ENGINEER GROUP (AFMC)
HILL AIR FORCE BASE UTAH
TITAH DEPARTMENT OF
ENVIBONMENTAL OUAJTY
JAN 2? 2A24
DIVISION OF AIR QUAUTY
Report
Agency, Region VIII
Branch (mail code SARD-PM)
18 lanuary 2024
l1a"d Defi verel
Enclosed is the Semiannual Notification of Aerospace NESHAP Compliance Status Report for
Hill Air Force Base. It is submitted in accordance with 40 CFR Part 63 Sections 63 .7 53 and 63 .9(h) as it
pertains to Subpart GG - National Emission Standards for Hazardous Air Pollutants for Aerospace
Manufacturing and Rework Facilities. The reporting period covered is 1 July 2023 through 3l December
2023.
If you have any questions regarding this matter, please contact Dr. Erik Dettenmaier,
75 CEG/CEIEA, at [phone] or [e-mail].
Sincerely
1/18t2024
X Amanda Burton
Signed by: BURTON.AMANDACHRISTIN E.1 270023068
AMANDA BURTON, NH-III, DAF
Chief, Environmental Branch
REVIEWEDInitials: Date: Oct 24, 2024Complinace Status:OKFile # 10121(B2)
REVIEWEDInitials: Date: Oct 24, 2024Complinace Status:OKFile # 10121(B2)
Semiannual Compliance Status Notification Report
(includes annual reporting requirements under 63.753(c) and 63.753(d))
THIS IS A NOTIFICATION FORM, WHICH CAN BE USED BY FACILITIES
AT THEIR DISGRETION TO MEET COMPLIANCE
wlTH 40 cFR 63.753 (b)-(e)
Hill Air Force Base from July 1, 2023 through December 31, 2023
Applicable Rule: 40 CFR Part 63, Subpart GG - National Emission Standards for Aerospace Manufacturing
and Rework Facilities. Semi-annual notification is being made in accordance with 63.753(b)(1), (cX1), (d)(1),
andior (eX1). Annual notification is being made in accordance with 63.753(c)and 63.753(d).
Note: Semiannual repofts shoutd contain compliance information from January 1 through June 30 and July 1 through
December 31 . Annual repofts (inctuded rn Secflons lV and V of the semiannual repofis) contain compliance information from
January 1 through December3l.
sEcTtoN I
GENERAL INFORIT'IATION
A. Print or type the following information for each facility in which aerospace manufacturing and rework
operations are performed: (63. 9(b)(2Xi)-(ii))
Title V Operatins Permit #1100007004
United States Air Force / HillAir Force Base (HAFB) 75ABW75CEG
ZIP CodeState
HillAir Force Base Utah 84056 - 5003
United States Air Force / HillAir Force Base (HAFB) 7SCEG/CEIEA
State
HillAir Force Base.Utah 84056 - 5816
B. Check which affected source(s) [as defined by 40 CFR 63.741(c)] were in operation at your facility during the
semiannual reporting period:
Hand wipe cleaning (Section lll, A) M Primer and topcoat application (Section lV)
Flush cleaning (no reporting required) M Depainting operations (Section V)
Spray gun cleaning (Section lll, B)tr Chemical milling maskant applications (Section Vl)
Waste storage and handling (no reporting required)
g
trgg
NIVISION OF AIR OIlALITY
Semiannual Compliance Status Notification Report
(includes annual reporting requirements under 63.753(c) and 63.753(d))
THIS IS A NOTIFICATION FORM, WHICI.I CAN BE USED BY FACILITIES
AT THEIR DISCRETION TO MEET GOMPLIANCE
WITH 40 CFR 63.753 (b)-(e)
Hill Air Force Base from July 1, 2023 through December 31, 2023
SEGTION II
CERTIFICATION (Nofe: you may edit the text in this section as deemed appropriate)
Based upon information and belief formed after a reasonable inquiry, l, as a responsible official of the above-
mentioned facility, certify the information contained in this report is accurate t63.g(hX2XiXG)]. The above-
mentioned facility has complied with applicable requirements in 40 CFR 63, Subpart GG during the semiannual
reporting period as indicated below (check all that apply): [63.753(bX1)(v),63.753(cXlXvii),63.753(d)(1Xix),
63.753(e)(6)1.
APPLICABLE REQU lREMENTS
Cleaning requirements under 63.7 44(a)
Hand-wipe-clean i n g req u i rements u nder 63.7 44(b)
Spray gun cleaning requirements under 63.744(c)
Organic primer and topcoat requirements under 63.745
Depainting requirements under 63.7 46
Chemical milling maskant operations under 63.747
Recordkeeping under 63. 1 0(b)
FACILITY HAS COMPLIED
ffiVes trNo trNA
ffiVes trNo trNA
WYes trNo trNA
ffiVes trNo trNA
ffiVes trNo trNA
trYes Otto ffirun
ffiYes trNo trNA
o r/tr/*{
JEFFREY G. HOLLAND, Colonel, USAF
Installation Commander
7981 Georgia Street
Hill AFB UT 84056-5824
Semiannual Compliance Status Notification Report
(includes annual reporting requirements under 63.753(c) and 63.753(d))
THIS IS A NOTIFICATION FORM, WHICH CAN BE USED BY FACILITIES
AT THEIR DISCRETION TO MEET COMPLIANCE
wlTH 40 cFR 63.753 (b)-(e)
Hill Air Force Base from July 1, 2023 through December 31, 2023
sEciloN lll
CLEANING OPERATIONS
A. Hand Wipe Cleaning
1. Have you used non-compliantcleaning solvents on a non-exempt hand wipe cleaning operation during
the reporting period? I Yes SI No 1if no, go to A.4.) t63.753(bx1Xi)l
2. lf you answered yes, please provide the following information for each instance where you used a non-
compliant cleaning solvent on a non-exempt hand wipe cleaning operation.
lNot required but you may wish to include it to help distinguish between like products (e.9. different manufacturers
may have the same material name).
3. (OPTIONAL) lf you reported deficiencies in A.2. above, please describe the corrective action(s) you took
to address them and prevent recurrence, to include time frames involved and results achieved:
4. Have you used any new hand wipe cleaning solvents during the reporting period? E{Yes r No
(if no, go to 8.1.) t63.753(bxl Xii)I
5. lf you answered yes, please provide the following information for each new cleaning solvent used: (for
additional entries, please use Continuation Sheef lll.A.5.)
Name of Solvent
See Attachment A
Manufacturerl
New cleaning solvent used meets the .... (check applicable box and enter value)
I Composition Requirements (organic HAPs)2
L Aqueous L-l Hydrocarbon
Other Requirements (Speci!)4
tl Composite Vapor Pressure Requirements
_ (mm Hg @ 20'C)3
Note: please provide either the VP or composition; you do not have to provide both.
1 Not required but you may wish to include it to help distinguish between like products (e.9., different manufacturers may
have the same material name)2As identified in $63.7aa(b)(1) [rable 1]
3As identified in 563.72+a(b)(2)
a Volume reduction, which is allowed if you can demonstrate that the volume of hand wipe solvents used in cleaning
operations has been reduced by at least 60% from a baseline adjusted for production. The baseline must be established as
part of an approved alternative plan administered by the State (563.744(bX3)).
Date(s) Used (mm/dd/yy)
Name of Solvent Used
Amount Used I Actual
L
.t Purchase (optional)
Gal
I tvt"nrt""trr",,
Semiannual Compliance Status Notification Report
(includes annual reporting requirements under 63.753(c) and 63.753(d))
THIS IS A NOTIFICATION FORM, WHICH CAN BE USED BY FACILITIES
AT THEIR DISCRETION TO MEET COMPLIANCE
WITH 40 CFR 63.753 (b)-(e)
Hill Air Force Base reporting period from July 1, 2023 through December 31, 2023
B. Spray Gun Cleaning
1. Did your facility use a noncompliant (i.e., other than enclosed, non-atomized, disassembled, or
atomized) spray gun cleaning method during the reporting period? il Yes S$ No (if no, go to 8.3.)
[63.753(b)(1Xiii)]
2. lf you answered yes, please describe the noncompliant cleaning method you used:
Did your facility have any instance where a leaking enclosed spray gun cleaner remained unrepaired
and in use for more than 15 days during the reporting period? [ Yes &l No (lf no, go to Section lV.)
[63.753(bXl Xiv)]
lf you answered yes, please provide the following information for each instance where you used a
leaking enclosed spray gun cleaner for more than 15 days: (for additional entries, p/ease use
Co nti n u ation Sheef I I l. 8.4.)
Date Leak Found (mm/dd/yy) | Leak Repaired (R) or Shut Down (S) | Date Repaired or Shut Down (mm/dd/yy)
Source lD (optional) | Source Location No. Calendar Days Unrepaired
5. (OPTIONAL) lf you reported deficiencies in B.4.above, please describe the corrective action(s) you took
to address them and prevent recurrence, to include times frames involved and results achieved:
4.
Semiannua! Gompliance Status Notification Report
(includes annual reporting requirements under 63.753(c) and 63.753(d))
THIS IS A NOTIFTCATION FORM, WHICH CAN BE USED BY FACILITIES
AT THEIR DISCRETION TO MEET COMPLIANCE
WITll40 cFR 63.7s3 (b)-(e)
Hill Air Force Base from July 1, 2023 through December 31, 2023
SECTION IV
PRIMER AND TOPCOAT APPLICATION COMPLIANCE
A. Uncontrolled primer and topcoats
1. Did your facility have any instance where primer or topcoat compliance was uncontrolled (e.9. you didn't
use averaging or a control device) during the reporting period? & Yes Ll No fif no, go to 8.1.)
[63.753(c)(1Xi)]
2. lf you answered yes, did primer or topcoat values for either Hi (the mass of organic HAP emitted per unit
volume of coating as applied, less water) or Gi (the mass of VOC emitted per unit volume of coating as
applied, less water and exempt solvents) ever exceed the applicable organic HAP or VOC content limit
specified in 63.745(c)? I Yes ffi No (if no, go to 8.1 .) [63.753(cXl )(i)]
3. lf you answered yes, please provide the following information for each coating formulation within each
coating category that exceeds the applicable limits in 63.745(c) 163.752(c)(2xi), 63.753(c)(1)(i)l: (for
additional entries, please use Continuation Sheet lV.A.3.)
Coating Category | Material Name Manufacturer
(primer and topcoat (includes
self-priming topcoat))
MateriallDl I ActualHf I ActualGi3 | Volume Used During Reporting Perioda(optional) I g/L l lb/gal I g/L l lb/gal I L Ll gal (optional)
Note: Materials used in accordance with the low volume exemption do not have to be reported as exceeding applicable limits.
lNot required but you may wish to include it to help distinguish between like products (e.9. different manufacturers may have
the same material name).
2Calculated from 63.750(c). Organic HAP emissions from primers are limited to no more than 350 gA (2.9|b/gaD of primer
(less water) as applied or 540 g/L (4.5 lb/gal) of primer (less water) as applied for general aviation rework facilities. Organic
HAP emissions from topcoats (including self-priming topcoats) are limited to no more that 420 g/l (3.51b/gal) of topcoat (less
water) as applied or 540 g/L (4.5 lb/gal) of topcoat (less water) as applied for general aviation rework facilities.
3Calculated from 63.750(e). VOC emissions from primers are limited to no more than 350 gll (2.9|b/gal) of primer (less
water and exempt solvents) as applied or 540 glL (4.5 lb/gal) of primer (less water and exempt solvents) as applied for
general aviation rework facilities. VOC emissions from topcoats (including self-priming topcoats) are limited to no more than
+ZO gn (3.5 lb/gal) of topcoat (less water and exempt solvents) as applied or 540 gll (4.5 lb/gal) of topcoat (less water and
exempt solvents) as applied for general aviation rework facilities.
aMonthly record keeping required under 63.752(c)(2Xi). Report total volume used during the reporting period.
4. (OPTIONAL) lf you reported deficiencies in A.3. above, please describe the corrective action(s) you took
to address them and prevent recurrence, to include time frames involved and results achieved:
Semiannual Compliance Status Notification Report
(includes annual reporting requirements under 63.753(c) and 63.753(d))
THIS IS A NOTIFICATION FORM, WHICH CAN BE USED BY FACILITIES
AT THEIR DISCRETION TO MEET COMPLIANCE
WITH 40 cFR 63.753 (b)-(e)
Hill Air Force Base from July 1, 2023 through December 31, 2023
B. Averaged primer and topcoats
1. Did your facility have any instance where primer or topcoat compliance was achieved through the use of
averaging during the reporting period (averaging is allowed only for uncontrolled primers or topcoats;
averaging primers together with topcoats is prohibited. Each averaging scheme shall be approved in
advance by the permitting agency and be adopted as part of the facility's Title V permit (63.745(e)(2))?
! Yes S No (if no, go to C.l.) t63.753(cX1)(ii)I
2. lf you answered yes, did primer or topcoat values for either H" (the monthly volume-weighted average
mass of organic HAP emitted per unit volume of coating as applied, less water) or G" (the monthly
volume-weighted average mass of VOC emitted per unit volume of coating as applied, less water and
exempt solvents) for all coatings ever exceed the applicable organic HAP or VOC content limit specified
in 63.745(c)? n Yes r No (if no, go to C.l.) [63.753(cXl Xii)]
3. lf you answered yes, please provide the following information for all coatings within each coating
category that exceeds the applicable limits in 63.745(c) 163.752(c)(4xi), 63.753(cXlXii)l (for additional
entries, please use Continuation Sheet lV.B.3.)
Coating Category | Material Name Manufacturer
(primer and topcoat (includes
self-priming topcoat))
Material lD1(optional) | Actuat H"2 . g/L Lt lb/gal I ActuatG"3 I g/L ! lb/gal
lNot required but you may wish to include it to help distinguish between like products (e.9. different manufacturers may have
the same material name).
2Calculated from 63.750(d). Organic HAP emissions from primers are limited to no more than 350 gll (2.9lb/gal) of primer
(less water) as applied or 540 glL @.5 lb/gal) of primer (less water) as applied for general aviation rework facilities. Organic
HAP emissions from topcoats (including self-priming topoats) are limited to no more lhal 42O g/l (3.51b/gal) of topcoat (less
water) as applied or 540 g/L (a.5 lb/gal) of topcoat (less water) as applied for general aviation rework facilities.
3Calculated from 63.750(f). VOC emissions from primers are limited to no more than 350 gll (2.9 lb/gal) of primer (less water
and exempt solvents) as applied or 540 glL (4.5 lb/gal) of primer (less water and exempt solvents) as applied for general
aviation rework facilities. VOC emissions from topcoats (including self-priming topcoats) are limited to no more than 420 g/l
(3.5 lb/gal) of topcoat (less water and exempt solvents) as applied or 540 g/L (4.5 lb/gal) of topcoat (less water and exempt
solvents) as applied for general aviation rework facilities.
4. (OPTIONAL) lf you reported deficiencies in 8.3. above, please describe the corrective action(s) you took
to address them and prevent recurrence, in include time frames involved and results achieved:
C. Controlled primer and topcoats using incineration
1. Did your facility have any instance where primer or topcoat compliance was achieved through the
use of incinerators during the reporting period? r Yes M Nolirno, goto D.l.) [63.753(cXlXiii)]
2. lf you answered yes, were there any instances when the 3-hour average combustion temperature(s)
were less than the minimum average combustion temperature(s) established under 63.751(b)(1 1) or
(12) during the most recent performance test during which compliance was demonstrated? I Yes
Semiannual Compliance Status Notification Report
(includes annual reporting requirements under 63.753(c) and 63.753(d))
THIS IS A NOTIFICATION FORM, WHICH CAN BE USED BY FACILITIES
AT THEIR DISCRETION TO MEET COMPLIANCE
wlTH 40 cFR 63.753 (b)-(e)
Hill Air Force Base reporting period from July 1, 2023 through December 31, 2023
rr No (if no,gotoD.l.) 163.753(c)(1Xiii),63.751(bX11) - (12)I
3. lf you answered yes, please provide the following information for each period when the 3-hour
average combustion temperature was less than established values: (for additional entries, please
use Continuation Sheef lV.C.3.)
Date/Period (mm/dd/yy) | Source lD (optional) | Source Location I Affected Source Controlled (optional)
Combustion Temperature L- oF t-l oC
Minimuml Actual 3-hour
lThe minimum combustion temperature shall be the operating parameter value that demonstrates compliance with
63.745(d).
4. (OPTIONAL) lf you reported deficiencies in C.3. above, please describe the corrective action(s) you
took to address them and prevent recurrence, to include time frames involved and results achieved:
D. Controlled primer and topcoats using carbon adsorption
1. Did your facility have any instance where primer or topcoat compliance__was achieved through the
use of carbon adsorber during the reporting period? i I Yes ffi No (if no, go to D.5.)
[63.753(cXl Xiv)]
lf you answered yes, were there any rolling periods when the overall efficiency of the carbon
adsorber was calculated to be less than 81o/o? a Yes I No (if no, go to D.5.) [63.753(cXl XivXA)]
lf you answered yes, please provide the following for each rolling period when the overall control
efficiency of your carbon adsorber was calculated less than 81%. lnclude as an attachment to this
report the initial material balance calculation and any calculations that demonstrate exceedances
[63.753(cXl XivXA)]: (for additional entries, please use Continuation Sheef lV.D.3.)
Date/Period (mm/dd/yy) | Source lD (optional) | Source Location
Overall Control Efficiency (%)
lnitial Valuel Actual Value2
lOverall minimum combustion temperature shall be the operating parameter value that
63.745(d). 2Control efficiency as computed during the rolling material balance period.
2.
3.
demonstrates compliance with
Semiannual Compliance Status Notification Report
(includes annual reporting requirements under 63.753(c) and 63.753(d))
THIS IS A NOTIFICATION FORM, WHICH GAN BE USED BY FACILITIES
AT THEIR DISCRETION TO MEET COMPLIANCE
WITH 40 cFR 63.75s (b)-(e)
Hill Air Force Base from July 1,2023 through December 31, 2023
4. (OPTIONAL) lf you reported deficiencies in
took to address them and prevent recurrence,
D.3. above, please describe the corrective action(s) you
to include time frames involved and results achieved:
Did your facility use nonregenerative carbon adsorbers at any time during the reporting period?
r Yes E[ No (if no, go to E.l.) [63.753(c)(1)(iv)(B)]
lf you answered yes, please attach the following:
> the design evaluation
> the continuous monitoring system performance report
, any excess emissions as demonstrated through deviations of monitored values for each non-
regenerative carbon adsorber. [63.753(cX1 XivXB)]
E. Gontrolled primer and topcoats using other than incineration or carbon adsorption
1. Did your facility use any control devices other than an incinerator or carbon adsorber at any time during
the reporting period (including dry or wet particulate filters)? E Yes , No (rTno, go to E.8.)
lf you answered yes, did any of these control devices exceed the operating parameter(s) established
under the initial performance test during which compliance was demonstrated?
i- Yes EI No (if no, goto E5J [63.753(c)(1Xv)]
lf you answered yes, please provide the following for each exceedance of your control devices
Date (mm/dd/yy) | Source lD (optional) | Location of Control Device I Control Device Used
Parameter Measured I Allowable Value/Rangel Actual Value
l From initial performance test.
4. (OPTIONAL) lf you reported deficiencies in E.3. above, please describe the corrective action(s) you took
to address them and prevent recurrence, to include time frames involved and results achieved
5.
6.
2.
3.
Semiannual Compliance Status Notification Report
(includes annual reporting requirements under 63.753(c) and 63.753(d))
THIS IS A NOTIFICATION FORM, WHICH CAN BE USED BY FACILITIES
AT THEIR DISCRETION TO MEET GOMPLIANCE
WITH 40 cFR 63.753 (b)-(e)
Hill Air Force Base from July 1, 2023 through December 31, 2023
Did your facility have any instance where a primer or topcoat application operation was not immediately
shut down when the pressure drop across a dry particulate filter or HEPA filter system, or the water flow
rate through a waterwash system, or recommended paramete(s) through a pumpless system, was
outside the limit(s) specified by the filter or booth manufacturer or in locally prepared operating
procedures? i: Yes SINo (if no, go to E.8.) [63.753(cXl Xvi)]
lf you answered yes, please provide the following for each time the booth was not immediately shut
down when values were outside limits: (for additional entries, please use Continuation Sheef
tv.E.6.)
Date (mm/dd/yy) | Source lD (optional) | Source Location I Booth Type (dry filter, waterwash, pumpless)
Measure by .... (check applicable box and enter value)I Pressure Dropl ("W.G.") I tl Flow Ratel (gpm) | t I Recommended Parameterl (pumpless)
Limit(s) | Rctuar | -.,r;GJ '"- i Actuat | .,rn1.1 Actual
lReport limits according to your type of booth.
7. (OPTIONAL) lf you reported deficiencies in E.6. above, please describe the corrective action(s) you took
to address them and prevent recurrence, to include time frames involved and results achieved:
To fulfill your annual reporting requirements for yearly totals, did your facility have any instance,
not listed above in E.6., where a primer or topcoat application operation was not immediately shut down
when the pressure drop across a dry particulate filter or HEPA filter system, or the water flow rate
through a waterwash system, or recommended paramete(s) through a pumpless system, was outside
the limit(s) specified by the filter or booth manufacturer or in locally prepared operating procedures?
- Yes ElNo (if no, go to Section V/ [63.753(c)(2)]
lf you answered yes, please provide the following for each time the booth was not immediately shut
down when values were outside limits: (for additional entries, please use Continuation Sheet
tv.E.9.)
Source lD (optional) | Source Location I Booth Type (dry filter, waterwash, pumpless)
Number of Times Booth was Outside Limits (12 month reporting period)
10. (OPTIONAL) lf you reported deficiencies in E.9. above, please describe the corrective action(s) you took
to address them and prevent recurrence, to include time frames involved and results achieved:
5.
6.
8.
9.
Semiannual Gompliance Status Notification Report
(includes annual reporting requirements under 63.753(c) and 63.753(d))
THIS IS A NOTIFICATION FORM, WHICH CAN BE USED BY FACILITIES
AT THEIR DISCRETION TO MEET COMPLIANCE
WITH 40 cFR 63.753 (b)-(e)
Hill Air Force Base from July 1, 2023 through December 31, 2023
SECTION V
DEPAINTING OPERATIONS
A. Depainting, General
1. Did your facility depaint any new or discontinued aircraft models during the reporting period?I Yes Htr No (if no, so to A.4.) [63.753(dXlXviii)]
2. lf you answered yes, please provide the following parts information for each new and discontinued
aircraft models depainted at your facility: (for additional entries, please use Continuation Sheet
v.4.2.)
Model Name Manufacturerl (optional)New (N) or Discontinued (D)
Parts Normally Removed from Model for Depainting (nanv models only)
lNot required but you may wish to include it to help distinguish between like products (e.9., different manufacturers may
have the same material name).
3. (OPTIONAL) lf you reported deficiencies in A.2. above, please describe the corrective action(s) you took
to address them and prevent recurrence, to include time frames involved and results achieved:
Did your facility have any 24-hour periods where organic HAPs were emitted from depainting of the
outer surface areas of aerospace vehicles (other than from exempt operations listed in 63.7a6(a), (b)(3)
and (b)(5)) during the reporting period? u Yes S[ No (if no, go to 8.1.) [63.753(dX1)(l), 63.746(a)(1)]
Note: Under A., do not report 24-hour periods where you used a control device to capture emissions
under 63.746(c), this will be reported later in this section.
lf you answered yes, please provide the following for each 24-hour period where you emitted HAPs:
(for additional entries, please use Continuation Sheef V.A.s.)
Date (mm/dd/yy) | Source lD (optional) | Source Location (optional)
Material Used
6. (OPTIONAL) lf you reported deficiencies in A.5.above, please describe the corrective action(s) you took
to address them and prevent recurrence, to include time frames involved and results achieved:
4.
Semiannual Gompliance Status Notification Report
(includes annual reporting requirements under 63.753(c) and 63.753(d))
THIS IS A NOTIFICATION FORM, WHICH CAN BE USED BY FACILITIES
AT THEIR DISCRETION TO MEET COMPLIANGE
wlTH 40 cFR 63.753 (b)-(e)
Hill Air Force Base repofting period from July 1, 2023 through December 31, 2023
B. Depainting using chemical methods
1. Have you u-sed any new or reformulated chemical strippers during the reporting period?
ir Yes !ffI No (if no,gotoC.1.) [63.753(dxl)(ii-iv)]
2. lf you answered yes, please provide the following information for each new chemical stripper used: (for
additional entries, please use Continuation Sheef V.8.2.)
Source lD/Location (optional) | Stripper Name I Manufacturer I Material lD1
New (N) Reform (R) | Organic HAP Components I Concentration (% or other value you specifiy)
lNot required but you may wish to include it to help distinguish between like products (e.9. different manufacturers may have
the same material name).
3. (OPTIONAL) lf you reported deficiencies in 8.2. above, please describe the corrective action(s) you took
to address them and prevent recurrence, to include time frames involved and results achieved:
Depainting using non-chemical methods
Has your facility used any new non-chemical depainting techniques during this reporting period?
I Yes SI No (if no, go to C.3.) [63.753(d)(1Xv)]
lf you answered yes, please describe the new non-chemical depainting techniques used:
c.
1.
4.
Did your facility experience*any malfunctions of nonchemical depainting methods or techniques during the
reporting period? r Yes #l No (;rno, go to D.1.) [63.753(dXl Xvi)]
lf you answered yes, please provide the following for each nonchemical method or technique that
malfunctioned (for additional entries, please use Continuation Sheef V.C.4.)
Date of Malfunction (mm/dd/yy) | Source lD/Location (optional) | Description of Malfunctionl
Method Used ro Depaint Durins Matrunction I ilXTr|.1fi,,"r
Alternative End Date for Alternative (mm/dd/yy)
Date Malfunction was Corrected (mm/dd/ )
l lnclude type of equipment that malfunctioned.
Semiannual Gompliance Status Notification Report
(includes annual reporting requirements under 63.753(c) and 63.753(d))
TFIIS IS A NOTIFICATION FORM, WHICH CAN BE USED BY FACILIT'ES
AT ThIEIR DISCRETION TO MEET COMPLIANCE
WITH 40 cFR 63.7s3 (b)-(e)
Hill Air Force Base repofting period from July 1, 2023 through December 31, 2023
5. (OPTIONAL) lf you reported deficiencies in C.4. above, please describe the corrective action(s) you took to
address them and prevent recurrence, to include time frames involved and results achieved:
D. New controlled depainting activities
1. Does your facility currently have in use any control delices that were not listed in the initial notification of
compliance status or any subsequent report? t Yes HI No 1rT no, go to E.l.) [63.753(dx3xiii)]
2. lf you answered yes, please describe the control devices:
E. Controlled depainting using carbon adsorption
1. Did your facility have any instance where depainting compliance was achieved through the use of
carbon adsorbers during the reporting period? r-l Yes ffi No (if no, go to E.5.) t63.753(d)(3xi)l
2. lf you answered yes, were there any rolling periods when the overall efficiency of the control system
was calculated to be less than 81o/o for existing systems or less than g5% for new systems? r Yes r No
(if no, go to E.5.) [63.753(dX3XiXA)]
3. lf you answered yes, please provide the following for each rolling period when the overall control
efficiency of the carbon adsorber was calculated less than 81% for existing systems or 95o/o for new
systems. lnclude as an attachment to this report the initial material balance calculation and any
calculations that demonstrate exceedances [63.753(d)(3)(i)(A)]: (for additional entries, please use
Co nti n u ation Sheet V. E. 3. )
Date/Period (mm/dd/yy) | Source lD (optional) | Source Location I New (N) or Existing (E)
Overall Control Efficiency (%)
lnitial Valuel Actual Value2
lOverall adsorber control efficiency from initial material balance calculation.
2 Control efficiency as computed during the rolling material balance period.
4. (OPTIONAL) lf you reported deficiencies in E.3. above, please describe the corrective action(s) you took
to address them and prevent recurrence, to include time frames involved and results achieved:
Did yot{.facility use nonregenerative carbon adsorbers at any time during the reporting period?
r Yes ffi No 1if no, so to F.l.) [63.753(dX3XiXB)]
lf you answered yes, please attach the following:
5.
Semiannual Compliance Status Notification Report
(includes annual reporting requirements under 63.753(c) and 63.753(d))
THIS IS A NOTIFICATION FORM, WHICH CAN BE USED BY FACILTTIES
AT THEIR DISCRETION TO MEET COMPLIANCE
WITH 40 CFR 63.753 (h)-(e)
Hill Air Force Base reporting period from July 1, 2023 through December 31, 2023
> the design evaluation
> the continuous monitoring system performance report
> any excess emissions as demonstrated through deviations of monitored values for each
nonregenerative carbon adsorber. [63. 753(dX3XiXB)1
F. Controlled depainting using other than carbon adsorption
1. Did your facility use any control devices other than a carbon adsorber at any time during the reporting
period? 0l Yes Ll No (if no, go to F.8.) t63.753(d)(3)(ii)l
2. lf you answered yes, did any of these control devices exceed the operating parameter(g)" established
under the initial performance test during which compliance was demonstrated? Ll Yes ffi No (ffno, go
to F.5.) t63.753(d)(3Xii)I
3. lf you answered yes, please provide the following for each exceedance of your control device's
operating parameter(s): (for additional entries, please use Continuation Sheet V.F.3.)
Date (mm/dd/yy) | Source lD (optional) | Location of Control Device I Control Device Used
Parameter Measured I AllowaOte Value/Rangel I Actual Value2
lFrom initial performance test.2Measured value reflecting exceedance from allowable value or range of operating parameter.
4. (OPTIONAL) lf you reported deficiencies in F.3. above, please describe the corrective action(s) you took
to address them and prevent recurrence, to include time frames involved and results achieved:
5. Were there any periods in your facility where a non-chemical depainting operation subject to
63.746(b)(2) and (b)(4) for the control of inorganic HAP emissions was not immediately shut down when
the pressure drop, or water flow rate, or recommended booth parameter(s) was outside the limit(s)
specified by the filter or booth manufacturer or in locally prepared operational procedures?
rYes H No(if no, gotoF.8.) [63.753(d)(1Xvii)]
6. lf you answered yes, please provide the following for each time the booth was not immediately shut
down when values were outside limits: (for additional entries, please use Continuation Sheef V.F.6.)
Semiannual Compliance Status Notification Report
(includes annual reporting requirements under 63.753(c) and 63.753(d))
THIS IS A NOTIFICATION FORM, WHIGH CAN BE USED BY FACILITIES
AT THEIR DISCRETION TO MEET COMPLIANCE
WITH 40 cFR 63.753 {h}-(e}
Hill Air Force Base reporting period from July 1, 2023 through December 31, 2023
Date (mm/dd/yy) | Source lD (optional)Source Location Booth Type (dry filter, waterwash, pumpless)
Measure by .... (check applicable box and enter value)n Pressure Dropl ("W.G.') I tl Flow Ratel (gpm)L l Recommended Parameterl (pumpless)
Limit(s) | Actual Limit(s)Limit(s) | Actual
lReport limits according to your type of booth.
7. (OPTIONAL) lf you reported deficiencies in F.6. above, please describe the corrective action(s) you took
to address them and prevent recurrence, to include time frames involved and results achieved:
8. To fulfill your annual reporting requirements for yearly totals, did your facility have any instance
where excess spot stripping or decal removal operations occurred? I Yes Etr No 1if no, go to F.11.)
9. lf you answered yes, please provide the following on all spot stripping and decal removal operations that
exceeded limits specified in 63.746(bX3): [63.753(dX2Xi)] (for additional entries, please use
Continuation Sheet V.F.9.)
Source lD (optional)Source Location (optional)
Annual Average Organic HAP Used Per Aircraft Based on .....1 (check applicable box and enter value)
! Volume Per Aircraft2 (gal) | r Weignt Per Aircraft3 (lb)
lProvide either volume or weight values based on compliance option your facility has chosen.
'z63.746(bx3) limits Commercial aircraft spot stripping and decal removal allowance to an annual average of no more than 26
gallons of organic HAP containing chemical strippers per commercial aircraft depainted: military aircraft limits are 50 gallons
per aircraft.
363.746(b)(3) limits Commercial aircraft spot stripping and decal removal allowance to an annual average of no more than
190 pounds of organic HAP containing chemical strippers per commercial aircraft depainted; military aircraft limits are 265
pounds per aircraft.
10. (OPTIONAL) lf you reported deficiencies in F.9. above, please describe the corrective action(s) you took
to address them and prevent recurrence, to include time frames involved and results achieved:
11. To fulfill your annua! reporting requirements for yearly totals, did your facility have any instance,
not listed above in F.6 above, where a depainting operation was not immediately shut down when the
pressure drop across a dry particulate filter or HEPA filter system, or the water flow rate through a
waterwash system, or recommended paramete(s) through a pumpless system, was outside the limit(s)
specified by the filter or booth manufacturer or in locally prepared operating procedures? n Yes EI No (ff
no, go to Section Yr, [63.753(dX2)]
Semiannual Gompliance Status Notification Report
(includes annual reporting requirements under 63.753(c) and 63.753(d))
THIS IS A NOTIFICATION FORM, WHICH CAN BE USED BY FACILITIES
AT THEIR DISCRETION TO MEET COMPLIANCE
wlTH 40 cFR 63.753 (b)-(e)
Hill Air Force Base from July 1, 2023 through December 31, 2023
12. lf you answered yes, please provide the
down when values were outside limits:
v.F.12.)
following for each time the booth
(for additional entrtes, please
was not immediately shut
use Continuation Sfieet
Source lD (optional) | Source Location I Booth Type (dry filter, waterwash, pumpless)
Number of Times Booth was Outside Limits (12 month reporting period)
13. (OPTIONAL) lf you reported deficiencies in F.12. above, please describe the corrective action(s) you
took to address them and prevent recurrence, to include time frames involved and results achieved:
Semiannual Compliance Status Notification Report
(includes annual reporting requirements under 63.753(c) and 63.753(d))
THIS IS A NOTTFICATION FORM, WHICH CAN BE USED BY FACILITIES
AT THEIR DISCRENON TO MEET COMPLIANCE
wlTH 40 CFR 63.75s (b)-(e)
Hill Air Force Base repofting period from July 1, 2023 through December 31, 2023
SECTION VI
GHEMIGAL MILLTNG MASKANT APPLICATION OPERATIONS
A. Chemical Milling Maskants, General
1. Did your facility conduct chemical milling maskant operations during the reporting period?
I Yes fll No (if no, go to Sectio n Vtt.) 1663.753(e)]
B. New chemical milling maskant operations
1. Does your facility have any chemical milling maskants currently in use that were not listed in the
notification of compliance status or any subsequent report? t I Yes i, No (if no, go to 8.3.) [63.753(eX4)]
2. lf you answered yes, please provide the following for each new chemical milling maskant: (for
additional entri*, please use Continuatlon Sheef Vl.B.2.)
Source lD/Location (optional) | ChemicalMaskant Name I Manufacturerl (optional)
Maskant Type
tr Type I u Type ll
lNot required but you may wish to include it to help distinguish between like products (e.9. different manufacturers may have
the same material name).
3. Does your facility currently have in use any control devices that were not listed in the initial notification of
compliance status or any subsequent report? a Yes I l No (if no, go to C.l.) [63.753(eX5)]
4. lf you answered yes, please describe the control devices:
C. Uncontrolled chemical milling maskants
1. Did your facility have any instances where chemical milling maskant application operations were
uncontrolled (e.9. you didn't use averaging or a control device)? I Yes t-r No (if no, go to D.1.)
[63.753(eXl )]
2. lf you answered yes, did chemical milling maskant values for either Hi (the mass of organic HAP emitted
per unit volume of chemical milling maskant as applied, less water) or Gi (the mass of VOC emitted per
unit volume of chemical milling maskant as applied, less water and exempt solvents) ever exceed the
applicable organic HAP or VOC content limit specified in 63.747(c)?I Yes ! No (rTno, go to D.1.) [63.753(e)(1)l
3. lf you answered yes, please provide the following for each chemical milling maskant formulation within
each category that exceeds the applicable limits in 63.747(c) [63.752(f)(1Xi), 63.753(e)(1)]: (for
additional entries, please use Continuatlon Sheef Vl.C.3.)
Semiannual Compliance Status Notification Report
(includes annual reporting requirements under 63.753(c) and 63.753(d))
THIS IS A NOTTFICATION FORM, WHICH CAN BE USED BY FACILITIES
AT THEIR DISCRETION TO MEET COMPLIANCE
wlTH 40 cFR 63.7s3 (b)-(e)
l MaterialName l Manufacturer
J Type I tr TyPe ll
Material lD1 I Actual H,2 | ActualGi3 | votume Used During Reporting Peri-od4
i"pii"""rl- | -rg/L llb/gal I lgll- llb/gal I lL fgal (optional)
jNot required but you may wish to include it to help distinguish between like products (e.g. different manufacturers may have
the same material name).
2Calculated from 63.750ik). Organic HAp emissions from chemical milling maskants are_limited to no more than 622 gll (5.2
lb/gat) of Type I chemi"ir ,irrin! maskant (tess water) as applied, and no more than 160 g/l (1.3 lb/gal) of Type ll chemical
milling maskant (less water) as applied.
3Calculated from 63.750(m). vOC emissions from chemical milling maskants are limited to no more lhan 622 g/l (5-2 lb/gal)
of Type I chemical milling maskant (less water and exempt solvents) as applied, and no more than 160 g/l (1.3 lb/gal) of
rype'tt chemical milling maskant (less water and exempt solvents) as applied.
4Monthly record keeping required under 63.752(0(1Xiii). Report total volume used during the reporting period.
4. (OPTIONAL) lf you reported deficiencies in C.3. above, please describe the corrective action(s) you
took to address ihem and prevent recurrence, to include time frames involved and results achieved:
D. Averaged chemical milling maskants
1. Did your facilig have any instance where chemical milling maskant_operation compliance was
achieved through the use of averaging? I Yes tr No (if no, go to E.l.) [63.753(eX2)]
2. lf you answered yes, did chemical milling maskant values for either Ha (the monthly volume-
weighted average'mass of organic HAP emitted per unit volume of chemical milling maskant as
appiied, tess witer) or G" (th6 monthly volume-weighted average mass of VOC emitted per unit
volume of chemicai milling maskant as applied, less water and exempt solvents) for all chemical
milling maskants ever exceed the applicable organic HAP or VOC content limit specified in
$.7a7@\? !Yes ll No (if no, gotoE.l.) [63.753(eX2)]
3. lf you answered yes, please provide the following for all coating_s_within each coating category that
exceeds tfre appticaue timits in 63.747(c) t63.752(0(2)(i), 63.753(eX2)l (for additional entries,
please use Continuation Sheet Vl.D.3.)
Maskant Category
t Type I a TyPe ll
Semiannual Compliance Status Notification Report
(includes annual reporting requirements under 63.753(c) and 63.753(d))
THIS IS A NOTIFICATION FORM, WHICH CAN tsE [.'SED BY FACILITIES
AT THEIR DISCRENON TO MEET COMPLIANCE
WITH 40 CFR 63.753 (b)-(e)
Hill Air Force Base reporting period from July 1, 2023 through December 31, 2023
Material lD1(optional) | nctuat H"2 I gil ! Ibigal I Actuat G"3 1g/L 1 lb/gal
lNot required but you may wish to include it to help distinguish between like products (e.g. different manufacturers
may have the same material name).2Calculated from 63.750(l). Organic HAP emissions fron'l chemical milling maskants are limited to no more lhan 622 gtl (5.2
lb/gal) of Type lchemical milling maskant (less water) as applied, and no more than 160 gil (1.3|b/gal) of Type ll chemical
milling maskant (less water) as applied.
sCalculated from 63.750(n). VOC emissions from chemlcal milling maskants are limited to no more lhan 622 gll (5.2|blgal) of
Type I chemical milling maskant (less water and exempt solvents) as applied, and no more than 160 g/l (1 .3 lb/gal) of Type ll
chemical milling maskant (less water and exempt solvents) as applied.
4. (OPTIONAL) lf you reported deficiencies in D.3. above, please describe the corrective action(s) you
took to address them and prevent recurrence, to include time frames involved and results achieved:
E. Gontrolled chemical milling maskants using incineration
1. Did your facility have any instance where chemical milling maskant operation compliance was achieved
through the use of incinerators? I Yes ! No (ffno, go to F.l.) [63.753(eX3Xi)]
2. lf you answered yes, were there any instances when the 3-hour average combustion temperature(s)
were less than the minimum average combustion temperature(s) established under 63.751(b)(11) or
(12) during the most recent performance test during which compliance was demonstrated? il Yes l No
(if no, so to F.1.) [63.753(e)(3)(i)]
3. lf you answered yes, please provide the following for each period when the 3-hour average combustion
temperature was less than established values: (for additional entries, please use Continuation
Sheef Vl.E.3.)
Date/Period (mmidd/yy) | Source lD (optional) | Source Lolation
Combustion Temperature il oF Lr "C
Minimuml Actual 3-hour
lThe minimum combustion temperature shall be the operating parameter value that OemonstEtes cornptiance wittr
63.747(d).
4. (OPTIONAL) lf you reported deficiencies in E.3. above, please describe the corrective action(s) you took
to address them and prevent recurrence, to include time frames involved and results achieved:
F. Controlled chemicalmilling maskants using carbon adsorption
1. Did your facility have any instance where chemical milling maskant operation compliance was achieved
Semiannual Compliance Status Notification Report
(includes annual reporting requirements under 63.753(c) and 63.753(d))
THIS !S A NOTIFICATION FORM, WHICH CAN BE USED BY FACILITIES
AT THEIR DISCRETION TO MEET COMPLIANCE
wlTH 40 CFR 63.753 (b)'(e)
Hill Air Force Base from July 1, 2023 through December 31, 2023
through the use of carbon adsorbers during the reporting period? I Yes r No (rf no, sto to F.5.)
t63.753(eX3Xii)l
lf you answered yes, were there any rolling periods when the overall efficiency of the carbon adsorber
was calculated to be less than 81%? . Yes tl No (rTno, go to F.5.) [63.753(e)(3XiiXA)]
lf you answered yes, please provide the following for each rolling period when the overall control
efficiency of your carbon adsorber was calculated less than 81%. lnclude as an attachment to this
report the initial material balance calculation and any calculations that demonstrate exceedances
[63.753(e)(3)(iiXA)]: (for additional entries, p/ease use Continuation Sheef Vl.F.3.)
Date/Period (mm/dd/yy) | Source lD (optional) | Source Location
Overall Control Efficiency (%)
lnitial Valuel Actual Value2
lOverall adsorber control efficiency from initial material balance calculation.
2Control efflciency as computed during the rolling material balance period.
4. (OPTIONAL) lf you reported deficiencies in F.3. above, please describe the corrective action(s) you took
to address them and prevent recurrence, to include time frames involved and results achieved:
5. Did your facility use nonregenerative carbon adsorbers at any time during the reporting period?
l Yes ll No fif no, go to G.1.) [63.753(e)(3xiiXB)]
6. lf you answered yes, please attach the design evaluation, the continuous monitoring system
performance report, and a chronological summary of any excess emissions as demonstrated through
deviations of monitored values for each nonregenerative carbon adsorber. 63.753(e)(3XiiXB)I
G. Controlled chemical milling maskants using other than incinerator or carbon adsorption
1. Did your facility use any control devices other than an incinerator or carbon adsorber at any time during
the reporting period? I Yes r 1 No (if no, go to Secfion Vll.) 163.753(eX3Xiii)I
2. lf you answered yes, did any of these control devices exceed the operating paramete(s) established
under the initial performance test during which compliance was demonstrated? f Yes ' 1 No (if no, go to
Secfion Vtt.) 163.7 s3(eX3Xiii)l
3. lf you answered yes, please provide the following for each exceedance of your control devices
operating parameter(s): (for additional entries, please use Continuation Sheef Vl.G.3.)
2.
3.
Date (mm/dd/yy) | Source lD (optional) | Location of Control Device
Semiannual Compliance Status Notification Report
(includes annual reporting requirements under 63.753(c) and 63.753(d))
THIS IS A NOTIFICATION FORM, WHICH CAN BE USED BY FACILITIES
AT THEIR DISCRENON TO MEET COMPLIANCE
WITH 40 cFR 63.753 (b)-(e)
Hill Air Force Base repofting period from July 1, 2023 through December 31, 2023
lFrom initial performance test.
4. (OPTIONAL) lf you reported deficiencies in G.3. above, please describe the corrective action(s) you
took to address them and prevent recurrence, to include time frames involved and results achieved:
Semiannual Compliance Status Notification Report
(includes annual reporting requirements under 63.753(c) and 63.753(d))
THIS IS A NOTIFICATION FORM, WHICH CAN BE USED BY FACILITIES
AT THEIR DISCRETION TO MEET COMPLIANCE
wlTH 40 GFR 63.753 (b)-(e)
Hill Air Force Base from July 1,2023 through December 31,2023
sEcTtoN v[
REGORD KEEPING REQUIREMENTS
A. ls your facility in compliance with record keeping requirements to keep all information (including all reports
and notifications) available for inspection for a period of 5 years, and maintain the most recent 2 years on-
site? S Yes I No(ifyes,gotoSectionvlttf [63.10(b)]
B. lf you answered no, please indicate the corrective action(s) you are taking to comply with record keeping
requirements.
Semiannual Compliance Status Notification Report
(includes annual reporting requirements under 63.753(c) and 63.753(d))
THIS IS A NOTIFICATION FORM, WHICH CAN BE USED BY FACILITIES
AT THEIR DISCRETION TO MEET COMPLIANCE
WITH 40 cFR 63.753 (b)-(e)
Hill Air Force Base from July 1, 2023 through December 31, 2023
SECTION VIII
CHANGES IN INFORMATION ALREADY PROVIDED
Have there been any changes in information already provided for your facility since the Notification of
Compliance Status or any subsequent report that have n-ot otherwise been listed in this report and that were not
reported within 15 days of making the change? l, Yes ffi No t63.90)] (lf no, go fo Section X) lf you answered
yes, please describe the changes below:
Semiannual Compliance Status Notification Report
(includes annual reporting requirements under 63.753(c) and 63.753(d))
THIS IS A NOTIFICATION FORM, WHICH CAN BE USED BY FACILITIES
AT THEIR DISCRETION TO MEET COMPLIANCE
wlTH 40 CFR 63.753 (b)-(e)
Hill Air Force Base from July 1, 2023 through December 31, 2023
SECTION IX
ADDTTTONAL COMMENTS (OPTTONAL)
A. Do you have additional facility-specific information or comments you would like to present that have not
already been addressed elsewhere in the body of this report? I Yes S No fTno, go to end of form.)
B. lf you answered yes, please ehter the information or comments below.
END OF FORi,l - Please make sure that a Responsible Official signs Section !l prior to submitting the
form to your EPA Regional Office and your State Air Permitting Agency, as applicable.
Semiannual Gomplia{ce Status Notification Report
(includes annual reporting requirements under 63.753(c) and 63.753(d))
THIS rS A NOTTFTCATION FOR+, WHICH CAN BE USED BY FACILITIES
AT THEIR DISCRET|ON TO MEET COMPLIANCE
wlTH 40 CFR 63.753 (b)-(e)
Hill Air Force Base 1, 2023 through December 31, 2023
Attachment A - Current List of New Solvents Used at HAFB during this Reporting
Period
This list includes all new solvents used on hase regardless of applicability to the Aerospace NESHAP.
The use of high vapor pressure solvents is restrictefl to non-aerospace operations or operations specifically
exempt by the Aerospace NESHAP [40 CFR 63.744(cX1)-(13)]and is managed by a fully integrated issues
system. Vapor pressures calculated in accordance lwith aO CFR 63.750(bX2). Notification is provided for those
solvents that meet the composition requirements of [0 CFR 63.744 Table 1 - Approved (Aqueous or
Hydrocarbon based) Cleaning Solvents.
793001 3670994 ds roa wPES 0.66
6810008556160 EX ONMOBIL IPA 33
7930PHM00347927 H-901A 36
681 0002645906 ETHYL ALCOHOI.2OO PROOF PURE ACS/USP 44
801 0001 81 8079
i
DEIS21 3XXXMIO1 1 B, IS21 3 REDUCER PAIL
I
49*
68s0013832377 CLEANING CC VIPOUND, SOLVENT AA59 63*
6810002812763 MEKO, MEK 71*
6850PHM00396007 sw420188 71*
* The list of new solvents identifies those used in
wipe process. Solvents which have a vapor pres
Aerospace NESHAP cleaning operation (unless,
space processes regardless of whether the process is a
greater than 45 mm Hg @zO"C were not used on any
rise exempt).
hand-
Sem ia n n ual Gom pl iance Status Notification Report
(includes annual reporting requirements under 63.753(c) and 63.753(d))
THIS !S A NOTIFICATION FORM, WHICH CAN BE USED BY FACILITIES
AT THEIR DISCRETION TO MEET CO]UIPLIANCE
W|TH 40 cFR 63.753 (b)-(e)
Hill Air Force Base repofting period from July 1, 2023 through December 31, 2023
Attachment B - Current List of New or Reformulated Ghemical Strippers
The following table includes any new or reformulated chemical strippers used at HAFB during this
reporting period. This notification is in accordance with 3.753(dX1)(ii-iv).
UTAH DEPAHTMENT OF
ENVIRONMENTAL QUALITY
JAN il ? ?-!J?-4
DIVISION OF AIR QUALTTY
Hiil
Aerospace
Museum
W. M. Barr &
Co 477670 0.0
pound/gallon
3€0% Benzenemethanol,
5-10% Monobutyl Ether
Diethylene Glycol,
3-7 o/o 2-(2- Am i n oet h oxy )
Ethanol,
1 -5% Hydrotreated Light
Distillates (Petroleum),
0.1-1o/o D-Limonene,
0.1-1o/o Ethorylated
Alcohols C9-11,
0.1-1o/oT
Citristrip
Stripping
Gel
REVIEWEDInitials: Date: Oct 24, 2024Complinace Status:OKFile # 10121(B2)
Semiannual Compliance Status Notification Report
(includes annual reporting requirements under 63.753(c) and 63.753(d))
THIS IS A NOTIFICATION FORM, WI.{ICI-I CAN BE USED BY FACILITIES
AT THEIR DISCRETIOTI TO MEET COMPI.IANGE
wlTH 40 CFR 63.753 (b)-(e)
Hill Air Force Base reporting period from July 1, 2023 through December 31, 2023
Attachment C - Aerospace NESHAP Annual lnitia! Notification Report
Pursuant to 40 CFR Parl63.743(a)(10) Standards: General, for National Emission Standards for
Hazardous Air Pollutants (NESHAP), this document fulfills the annual notification requirement. This notification
pertains to each Aerospace NESHAP paint or abrasive blast booth constructed or reconstructed subject to
controls that does not have the potential to emit 10 tons/yr or more of an individual inorganic HAP or 25 tons/yr
or more of all inorganic HAP combined.
All applicable construction and reconstruction was in accordance with the flexibility provisions included
in the Hill AFB Title V Operating Permit which is in compliance with the Aerospace NESHAP provisions. Hill
AFB is a major source of Hazardous Air Pollutants.
$$:ii' .,s6ffi;rr',l Control{st
45409 238 New Paint Booth for
M iscellaneous Aircraft Parts
3-Stage Aerospace N ESHAP
Compliant Filters