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Home My WebLink AboutDAQ-2024-004629FI lJ E trT FTI" YULCRAFT UTAH COLD FINISH UTAH NUCOR GRATING UTAH NUCOR BUILDING SYSTEIiTS UTAH, LLC 1875 We6t Hwy 13 Brigham City, UT 84302 435.734.9433 TO: Executive Secretary, Utah Air Quality Board FROM: Vulcraft, Division of Nucor Gorporation RE: Annual compliance certification for Permit # 80003000s DATE: A0712024 ln accordance with Operating Permit provision l.L and Utah Administrative Code (UAC) R3074{5-6c(5), the following compliance certification is submitted. This certification covers operations from: fil0Uz3 to 12131123 FC BCX 617 BFI6HAM Crry. UTAH 8430? pHQN[ 4:]5 73{ $33j tAx 4ls ?:l 54t3 CO M P LI AN C E C ERTI F ICAT I O N REPOR r pAGt 1 Qi l0 REVIEWEDInitials:Date: Feb12, 2024Compliance Status: OKFile #: 10028 (B2) Term Description of permit Provision Method used to determine compliance status Was compliance continuous, intermittent, or undetermined Other facts relevant to compliance determination, including references to anY and all deviations for this permit provision. t.B Was the source oPerated in compliance with the oPerating permit? Review of all conditions and records required in thb permit. Continuous r.c.3 Did the permittee furnish to the Executive Secretary, within a reasonable time, any information that the Executive Secretary sent as a written request? Any information requdstbd by the Executive Secretary during this reporting period was sent within a reasonable time. Continuous tG.1 Did the permittee Pay the annual emission fee?Records Review Continuous t.G.2 Was the fee paid bY October 1, of the reporting year, oI45 daYs after the source receives notice of the amount of the fee, whichever is later? Accounts payable records were reviewed. Continuous IK Were all application forms, reports and certifications submitted pursuant to the Permit ProPerlY certified by a responsible official? Records review Continuous t.1.1 Did the permittee submit this compliance Certifi cation complete & on time? Remrds Review Continuous LL,1.a Was each term and condition identified that was the basis of this certification? Annual certfication report was created in accordance with permit condition l.L.1.a Continuous t.L.1.b Was a method for determining compliance status identified for each term and condition? Review of cornpliance report. Continuous PAG€ : SF 30 Term Description of permit provision Method used to determine compliance status Was compliance continuous, intermittent, or undetermined Other facts relevant to compliance determination, including references to any and all deviations for this permit provision. l.L.1.c Was the compliance status identified for each term and condition of the permit for the period covered by the certifi cation? lf deviations occurred were they identified? Annual certification report was created in accordance with permit condition LL.1.c Continuous t.L.1.d Were other facts required by the executive secretary included in this report? No other facts were required by executive secretary during this reporting period Continuous t.L.2 Did the permittee also send all Compliance certifications to EPA? Reviewed certifications from previous year and dates they were submitted. Continuous l.S.1.a Did the permittee properly retain all records required by the permit?Records Review Continuous t.s.1.b Did the permittee include all applicable information in records of monitoring required by the permit? Records Review Continuous l.S.2.a Did the permittee submit monitoring reports every six months, or more frequently if specified in Section ll, and were all instances of deviation from permit requirements clearly identified in the monitoring reports? Records Review Continuous l.S.2.c Did the permittee promptly notify the Executive Secretary of all deviations from permit requirements? Records were Reviewed and no deviation occurred during the reporting period. Continuous l.u Did the permittee submit the inventory required by R307-150 in accordance with the requirements of that rule? Records Review Continuous PAGE 3 OF 3O [.8 Requirements and limitations !t.8.{Gonditions on permitted source (soprce-wide) ll.B.1.a Did the permittee maintain and operate any equipment, including associated air pollution control equipment, in a manner consistent with good air pollution control practice for minimizing emissions at alltimes, including periods of startup and shutdown? Records Review Continuous 11.8.1.a.1 Did the permittee maintain records for monitoring? Records Review Continuous 11.8.1.a.2 Has the permittee documented activities performed to assure proper operation and maintenance in accordance with Provision 1.S.1 of this permit? Records Review Continuous 11.B.1.a.3 Are there any reporting requirements for this provision except those specified in Section 1.S.1 of this permit? No reports are required for this provision Continuous il.8.1.b The permittee shall not allow visible emissions from any fugitive dust source to exceed 20 percent opacity on site and 10 percent at the property boundary. The permittee shall water spray and/or chemically treat all unpaved roads and other unpaved operational areas that are used by mobile equipment to maintain opacity limits unless the temperature is below freezing. The permittee shall sweep paved areas on an "as needed" basis to maintain visible emission limits. lf chemicaltreatment is to be used, the plan must be approved by the Director. Fugitive dust on unpaved roads was controlled in accordance to permit condition il.8.1.b Records were reviewed Continuous Water spray from a water truck, was used as the option for compliance with this condition. il.B.1.b.1 Did the permittee complete quarterly opacity observations of fugitive dust in compliance with this condition? Records were reviewed and are maintained in accordance witr this permit condition. Continuous PAGE 4 OF 3T) il.B.1.b.2 Did the permittee record instances of water and/or chemical application to unpaved areas, maintain those records, and did the records include the following: (1) Date. (2) Number of treatments made, dilution ration, and quantity. (3) Rainfall received, if any, and approximate amount. (4) Time of day that treatments are made (5) Records of Temperature if the temperature is below freezing Records were kept in accordance with permit condition 11.8.1.b.2. Those records were reviewed. Continuous il.B.1.b.3 Are there any reporting requirements for this provision except those specified in Section 1.S,1 of this permit? No reports are required for this provision Continuous ll.B.1.c Did the permittee comply with the applicable requirements for recycling and emission reduction for class I and class ll refrigerants pursuant to 40 CFR 82, Subpart F - Recycling and Emissions Reduction? Records were reviewed and are maintained relevant to this permit condition. Continuous ll.B.1 .c.1 Did the permittee certify in the annual compliance certification it's compliance with 40 CFR 82 subpart F? Previous certification reviewed. Continuous ll.B.1.c.2 Did the permittee maintain all records required in 40 CFR 82, Subpart F, and in a manner consistent with the requirements of Provision S.1 in Section I of this permit? Records were kept and reviewed Continuous 11.8.1.c.3 Are there any reporting requirements for this provision except those required in 40 CFR 82, Subpart F? No reports are required for this provision. Continuous il.B.1 .d Were the Combined site-wide emissions of volatile organic compounds (VOCs) from the dip tanks, paint booths, spray painting, degreasers, and parts cleaners less than 150.31 tons per rolling 12-month period. VOC emissions records were reviewed. Continuous PAGE 5 OF 30 il.8.1.d.1 Did the permittee demonstrate compliance on a rolling 12- month total. Based on the last day of each month, a new 12- month totalshall be calculated using data from the previous twelve months. Monthly oalculations shall be made no later than 20 days after the end of each calendar month. Calculations are completed according to permit condition 11.B.1.d.1 and those calculation records were reviewed. Continuous il.8.1.d.2 Did the permittee determine VOC emissions based on a record of VOC emitting materials used each month, which records included the data listed in permit condition 11.8.1.d.2? VOC emissions are calculated in accordance with this condition, and calculation records were reviewed Continuous il.8.1.d.3 Are there any reporting requirements for this provision except those specified and Section I of this permit? No reports are required for this provision. Continuous ll.B.1.e Did permittee verify site-wide emissions of hazardous air pollutants (HAPs) from the dip tanks, paint booths, spray painting, degreasers, and parts cleaners shall not exceed 4.77 tons per rolling 12-month period for any individual HAP, or 9.39 tons per rolling 12-month period for all HAPs combined? Emissions and HAP's are cdculated in aeordance with this condition and cdculation records were reviewed. Continuous 11.8.1.e.1 Did permittee calculate emissions on a 12-month rolling total? Based on the last day of each month, a new 12-month total shall be calculated using data from the previous twelve months. Monthly calculations shall be made no later than 20 days after the end of each calendar month. Emissions are calculated in aocordance with this condition and calculation records were reviewed. Continuous PAGE 6 OF 3O 11.B.1.e.2 Did permittee maintain a record of HAP emitting materials used each month? The records shall include the following data for each material used. Name, Density, Percent by weight, Gallons, Amount of HAP material used each month, the amount of HAP emitted by each material, the Total amount HAP emitted monthly from all materials used.(minus reclaimed HAP materials.) Records were reviewed and are maintained in accordance to this provision Continuous 11.8.1.e.3 Are there any reporting requirements for this provision except those specified in Section I of this permit? No reports are required for this provision. Continuous il.B.1.f Did the permittee comply with all applicable requirements in 40 CFR 63, Subpart XXXXXX - National Emission Standards for the Nine Metal Fabrication and Finishing Source Categories? Facility operated in accordance with permit condition il.8.1.f Continuous il.B.1.f.1 (a) Were visual determinations of fugitive emissions completed according to procedure of EPA Method 22, of 40 CFR part 60, Appendix A-7? Emission observation Records reviewed. Continuous il.8.1 ,f.1 (b) Did the permittee complete the visual determinations according to the graduated schedule in 40 CFR 63.11517 and in accordance with permit condition il.8.1.f.1(b)? Records were reviewed.Continuous il.8. 1 .f. 1 (c) Were the Tier 2 or 3 observations completed following the procedure of EPA Method 9, or 40 CFR Part 60, and while the affected source is operating under normal conditions? No Tier 2 or 3 observations required during the reporting period. Continuous il.8. 1 .f. 1 (d) Were the Tier 2 or 3 observations completed according the graduated schedule in 40 CFR 63.11517? No Tier 2 or 3 observations required during the reporting period. Continuous il.8.1.f .2 Were allapplicable records of the data and information specified in paragraphs c(1) through (1a)of 40 CFR 63.1 1519 kept and maintained? Records were reviewed.Continuous PAGE 7 oF 3O 1t.B.1.f.3 Did the permittee submit an annual certification that contained all applicable information specified in 40 CFR 63.1 151 9 (bX4Xi) through (iii) and paragraph (b)(5) through (e)? Annual certification Records were reviewed. Continuous ll.B.1.g. Did the permittee comply with applicable requirements for all affected gasoline storage tanks? Fmility reviewed gasoline tank management and complies with applicable requirements. Continuous 11.B.1.9.1 Were records required for this permit condition kept and maintained? Rgcords were reviewed and are maintained in accordance with this provision Continuous 11.B.1.9.2 Did the permittee demonstrate monthly throughput is less than the 1 0,O0O-gallon threshold level, and kept records of any occurrence and duration of each malfunction of operation and monitoring equipment? Records were reviewed and are maintained in accordance with this provision Continuous 11.8.1.9.3 Are there any reporting requirements for this provision except those specified in Section I of this permit? Tbre are no reporting requirements. Continuous il.8.1.h Did the permittee not operate a degreasing or solvent operation unless the conditions in R307- 3354(1) through (7) are met? Fmility reviewed degreasing operations, and ar0 managed according to this permit condition. Continuous il.B.1.h.1 Did permittee conduct a visual inspection at least once per semi-annual period to determine compliance with this condition? Records were reviewed and are maintained in accordance with this provision. Continuous il.8.1.h.2 Did permittee maintain results of monitoring? Records are maintained in acpordance with this provision Continuous PAGE 8 OF 3O il.B.1.h.3 Are there any reporting requirements for this provision except those specified in Section I of this permit? There are no reporting requirements. Continuous il.8.1.i Did permittee meet the requirements for open top degreasers listed? The site does not currently operate any open top degreasers. Continuous il.B.1 i 1 Did permittee conduct a visual inspection at least once per semi-annual period to determine compliance with this condition? The site does not currently operate any open top degreasers. Continuous il.8.1.i.2 Did permittee maintain results of monitoring? The site does not currently operate any open top degreasers. Continuous lt.B.1.i.3 Are there any reporting requirements for this provision except those specified in Section I of this permit? There are no reporting requirements. Continuous il 81.j Did the permittee comply with the sell, supply, offer for sale, management and use of adhesive, sealant, adhesive primer or sealant primer at the site? [R307-342-51 Purchasing and other applicable records were reviewed and are maintained in accordance with this provision Continuous il.B.1.j.1 Did permittee maintain required records for this permit condition? Records are maintained in accordance with this provision Continuous 11.8.1.j.2 Did permittee maintain records demonstrating compliance as specifi ed in R307 3a2-7 (2) Records are maintained in accordance with this provision Continuous il.B.1 .j.3 Are there any reporting requirements for this provision except those specified in Section I of this permit? There are no reporting requirements. Continuous PAGI 9 OF ii) il.8.1.k Did the permittee not sell, supply, buy or apply coatings to miscellaneous metal parts and products with a VOC content greater than the amounts specified in Table 1 of R307- 350-5 and coating applied; with equipment operated according to the equipment manufacturer specifications, and by the use of one of the methods specified in R307-350-6, and additional standards and work practices of R307-350-7? Coating re@rds were reviewed and are maintained in accordance with this provision Continuous il.8.1.k.1 Records required for this permit condition will serve as monitoring. Records are mqintained in accordance with this provision Continuous il.8.1.k.2 Did the permiftee maintain records demonstrating compliance with this condition? Records were reviewed and are maintained in accordance with this provision Continuous il.8.1.k.3 Are there any reporting requirements for this provision except those specified in Section I of this permit? There are no reporting requirements. Continuous il.B.1 .t Did the permittee not manufacture, blend, or repackage, supply, sell or offer for sale within the counties in R307-361-2; or solicit application or apply within 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 and complied with the additional standards and work practices in R307-361-5, as applicable? Records were reviewed and are maintained in accordance with this provision Continuous il.8.1.t.1 Did permittee demonstrate compliance as specified in R- 307-361-8? Records were reviewed and are maintained in accordance witr this provision Continuous il.8.1 .t.2 Did the permittee maintain records demonstrating compliance with this condition in accordance with Provision 1.S.1 of this permit? Records are maintained in accordance with this provision Continuous PAGE 10 OF 30 11.B.1.t.3 Are there any reporting requirements for this provision except those specified in Section I of this permit? There are no reporting requirements. Continuous ll.B.1.m Were visual emissions at or below 20% opacity, unless otherwise specified in this permit? Records were reviewed and are maintained in accordance with this provision Continuous 11.8.1.m.1 Did permittee perform a visual observation of each affected emission unit on a quarterly basis and if any visible emissions were observed, an opacity determination was performed by a certified VEO in accordance with 40 CFR 60, Appendix A, Method 9 within 24 hours, or at the beginning of the next day of operation, whichever period is longer? Records of opacity observations were reviewed and are maintained in accordance with this provision Continuous 11.8.1.m.2 Did permittee monitor results as described in 40 CFR 60, Appendix A, Method 9, and Provision 1.S.1 of this permit? Records are maintained in accordance with this provision Continuous 11.8.1.m.3 Are there any reporting requirements for this provision except those specified in Section I of this permit? There are no reporting requirements. Continuous ll.B.1.n Did the permittee not exceed the following production limits? A. 79,100 tons of production from the Nucor Building Systems operations per rolling 12-month period. B. 151,200 tons of production from the Joist Plant operations per rolling 12-month period. C. 18,854 tons of production from the Structural Productions operations per rolling 12-month period. D. 15,000 tons of production from the Steel Grating operations per rolling 12-month period. Production records were reviewed and are maintained according to this permit condition. Continuous PAGE 11 OF ]O 11.B.1.n.1 Did the permittee demonstrate compliance with the rolling 12- month total for production limit by calculating and recording a new 12-month total by the last day of each month using the data from the previous 12 months and monthly calculations by the last day of each month? Production records were reviewed are maintained in accordance with this provision Continuous 11.B.1.n.2 Did permittee maintain records of production for all periods when the plant was in operation and kept on a daily basis determined by examination of sales, billing records, or operation logs? Records are maintained in aocordance with this provision Continuous 11.B.1.n.3 Are there any reporting requirements for this provision except those specified in Section I of this permit? There are no reporting requirements. Continuous ll.B.1.o Did the permittee submit documentation by November 22, 2024 to the director on the status of construction of the Wet Plasma Cutter Table-Cold Finish Plant, One Baseplate processor- Joist Plant, One Emergency Engine-Joist Plant, Flange Line- Nucor Building Systems and One Shot Blaster-Nucor building systems. Records review.Continuous. Compliance date is later this year, and documentation will be sent according to this permit condition. 11.B.1.o.1 Did the permittee maintain records for monitoring? Records are maintained in accordance with this provision Continuous 11.8.1.o.2 Has the permittee maintained a copy of each notification required by this permit condition in accordance with provision 1.s.1 of this permit? Records are maintained in accordance with this provision Continuous 11.B.1.o.3 Are there any reporting requirements for this provision except those specified in Section I of this permit? There are no reporting requirements. Continuous il.8.2 Goil Line Dust Collector (Baghousd - CotO Finish Plant ll.B.2.a Were visible emissions on the Coil Line Baghouse, at or below 5% opacity? Baghouse was operated in accordance with this permit condition. Continuous PA6E 12 OF 3i] 11.8.2.a.1 Did the permittee perform a visual observation at least once during each week that the baghouse operated? Visual Observations were completed and recorded in accordance with permit condition 11.8.2.a.1 Continuous 11.8.2.a.1 Were the visual observations made by an individualtrained on the observation procedures of 40 CFR 60, Appendix A, Method 9? (The individual is not required to be a certified visible emissions observer (VEO)). Reviewed training records or person(s) making observations Continuous 11.8.2.a.1 lf the permittee observed any visible emissions was an opacity determination performed by a certified VEO in accordance with 40 CFR 60, Appendix A, Method 9? And was this opacity determination made within 24 hours, or at the beginning of the next day of baghouse operation, whichever period is longer? Reviewed record of observations and no visible emissions were observed for the reporting period Continuous 11.8.2.a.2 Did the permittee maintain the results of monitoring as described in 40 CFR 60, Appendix A, Method 9, and Provision 1.S.1 of this permit? Reviewed monitoring results records. Continuous 11.B.2.a.3 Are there any reporting requirements for this provision except those specified in Section I of this permit? There are no reporting requirements. Continuous il.8.2.b Did the permittee operate the dust collector (baghouse) within the static pressure range recommended by the manufacturer for normal operations.? Baghouse was operated in accordance with permit condition il.B.2.b Continuous 11.8.2.b.1(a) Has the permittee installed a manometer, solid- state electronic or magnehelic pressure gauge to measure the differential pressure across the Coline Line Dust Collector? Dust collector gauges were reviewed. Continuous il.8.2.b.1(b) Did the permittee maintain, operate, and calibrate each gauge in accordance with manufacturer Recommendations? Records Reviewed Continuous PAGE T.'1 OF 3O ll.B.2.b.1(c) Did the permittee locate the pressure gage such that an inspector/operator can safely read the indicator at any time? lnstallation was in accordance with this permit condition, and verified to meet this requirement. Continuous lr.B.2.b.1(d) Did the permittee monitor the dust collector (baghouse) at least once during each week of operation to demonstrate that pressure drop is within the required range? Records were reviewed Continuous |.8.2.b.2 Were pressure drop readings recorded at least once during each week of operation while the bag house was operating? Did the record documents contain the following information: unit identification, manufacturer recommended pressure drop for the unit including the gauge measurement metric, Weekly pressure drop readings with the appropriate metric, consistent with the condition above (kPA, mbar, inches of water, etc) and Date of reading? Records were reviewed.Continuous il.8.2.b.3 Are there reporting requirements for this provision except those specified in Section I of this permit? There are no reporting requirements. Continuous [.8.3 Bar Line Dust Collector baghouse) ilCoU Finish Plant ll.B.3.a Were visible emissions on Bar- Line Baghouse, at or below 5% opacity? Baghouse was operated in accordance with permit condition ll.B.3.a Continuous 11.B.3.a.1 Did the permittee perform a visual observation at least once during each week that the Baghouse operated? Visual Observations were completed and recorded in accordance with permit condition 11.8.3.a.1 Continuous PAGI 14 OF 3O 11.B.3.a.1 Was the visual observation made by an individualtrained on the observation procedures of 40 CFR 60, Appendix A, Method 9? (The individual is not required to be a certified visible emissions observer (vEo). Reviewed training records or person(s) making observations Continuous 11.8.3.a.1 lf the permittee observed any visible emissions was an opacity determination performed by a certified VEO in accordance with 40 CFR 60, Appendix A, Method 9? And was this opacity determination made within 24 hours, or at the beginning of the next day of baghouse operation, whichever period is longer? Reviewed record of observations and no visible emissions were observed for the reporting period. Continuous 11.B.3.a.2 Did the permittee maintain the results of monitoring as described in 40 CFR 60, Appendix A, Method 9, and Provision 1.S.1 of this permit? Reviewed monitoring results records. Continuous 11.8.3.a.3 Are there any reporting requirements for this provision except those specified in Section I of this permit? There are no reporting requirements Continuous il.8.3.b Did the permittee operate the baghouse within the that the static pressure rage recommended by the manufacturer for normal operations? Baghouse was operated in accordance with permit condition ll.B.3.b Continuous 11.B.3.b.1(a) Has the permittee installed a manometer, solid- state electronic or magnehelic pressure gauge to measure the differential pressure across the Bar Line Dust Collector? lnstallation was reviewed.Continuous il.8.3.b.1(b) Did the permittee maintain, operate, and calibrate each gauge in accordance with manufacturer Recommendations? Records Reviewed Continuous 11.8.3.b.1(c) Did the permittee locate the pressure gage such that an inspector /operator can safely read the indicator at any time? lnstallation was in accordance with this permit condition, and verified to meet this requirement. Continuous PAGE 15 OF I(I il.8.3.b.1(d) Did the permittee monitor the dust collector (baghouse) at least once during each week of operation to demonstrate that pressure drop is within the required range? Records were reviewed Continuous il.8.3.b.2 Were pressure drop readings recorded at least once during each week of operation while the bag house was operating? Did the record documents contain the following information: unit identification, manufacturer recommended pressure drop for the unit including the gauge measurement metric, Weekly pressure drop readings with the appropriate metric, consistent with the condition above (kPA, mbar, inches of water, etc) and Date of reading? Records were reviewed and maintained in accordance with this provision. Continuous il.8.3.b.3 Are there any reporting requirements for this provision except those specified in Section I of this permit? There are no reporting requirements Continuous il.8.4 Wire Line Baghouse (Dust Collector) - Cold Finish Plant ll.B.4.a Were visible emissions on \Mre Line Baghouse at or below 5% opacity? Baghouse was operated in accordance with permit condition ll.B.4.a Continuous 11.8.4.a.1 Did the permittee perform a visual observation at least once during each week that the Baghouse operated? Visual Observations were completed and recorded in accordance with permit condition 11.8.4.a.1 Continuous 11.B.4.a.1 lf the permittee observed any visible emissions was an opacity determination performed by a certified VEO in accordance with 40 CFR 60, Appendix A, Method 9? And was this opacity determination made within 24 hours, or at the beginning of the next day of baghouse operation, whichever period is longer? Reviewed record of observations and no visible emissions were observed for the reporting period. Continuous PACE 16 OF ]O 11.8.4.a.1 Was the visual observation made by an individualtrained on the observation procedures of 40 CFR 60, Appendix A, Method 9? (The individual is not required to be a certified visible emissions observer (vEo). Reviewed training records or person(s) making observations Continuous 1l.8.4.a.2 Did permittee maintain results of monitoring as described in 40 CFR 60, Appendix A, Method 9 and Provision 1.S.1 of this permit? Results of monitoring are maintained as described. Continuous 11.B.4.a.3 Are there any reporting requirements for this provision except those specified in Section I of this permit? There are no reporting requirements Continuous lr.B.4.b Did the permittee operate the baghouse within the static pressure range recommended by the manufacturer for normal operations? Baghouse was operated in accordance with permit condition il.8.4.b Continuous ll.B.4.b.1(a) Did the permittee installa manometer, solid-state electronic, or magnehelic pressure gauge to measure the differential pressure across the Wire Line Baghouse? Reviewed records, of pressure gage observations performed in accordance with this permit condition. Continuous il 8.4.b.1(b) Did the permittee maintain, operate, and calibrate each gauge in accordance with manufacturer Recommendations? Records Reviewed Continuous 11.8.4.b.1(c) Did the permittee locate the pressure gage such that an inspector /operator can safely read the indicator at any time? lnstallation was in accordance with this permit condition, and verified to meet this requirement. Continuous il.8.4.b.1(d) Did the permittee monitor the dust collector (baghouse) at least once during each week of operation to demonstrate that pressure drop is within the required range? Records were reviewed Continuous PAGE 17 OF ]O 11.8.4.b.2 Were pressure drop reading recorded at least once during each week of operation while the baghouse was operating? Did records record data required in this condition? Reviewed monitoring results records. Continuous il.8.4.b.3 Are there any reporting requirements for this provision except those specified in Section 1.S.1 of this permit? There are no reporting requirements Continuous il.B.5 Seven (7) Surface Coating Dip Tanks Joist Plant ll.B.5.a Did the permittee cover the dip tanks when not in use? Dip Tanks are covered in accordance with permit condition ll.B.5.a. Continuous 11.8.5.a.1 Records for this permit condition serve as monitoring Records are kept and maintained Continuous 11.8.5.a.2 Did the permittee record the (a)dates and times when steel product assembly/painting commences and ends, and (b) Verification that the dip tank covers are in a closed position within one-hour of when steel product assembly/painting ceased. Records are kept in accordance with permit condition 11.8.5.a.2 and those records were reviewed. Continuous 11.B.5.a.3 Are there any reporting requirements for this provision except those specified in Section 1.S.1 of this permit? There are no reporting requirements Continuous il.B.6 One (l) Stee! Grating Plasma Guttef - Joist Plant lt.B.6.a Did the permittee maintain visible emissions at the steel grating plasma cutter at or below 10% opacity. Records are maintained and reviewed. Continuous 11.8.6.a.1 Did the permittee perform a quarterly inspection of ensure that the baghouse operates inside the joist plant building and does not vent to the atmosphere? Records Reviewed Continuous 11.8.6.a.2 Did the permittee maintain results of quarterly monitoring as described in Provision l.S.l of this permit? Records Reviewed Continuous PAGE 18 OF 3O 11.B.6.a,3 Are there any reporting requirements for this provision except those specified in Section 1.S.1 of this permit? There are no reporting requirements Continuous lt.B.6.b Did the permittee operate the baghouse within the static pressure range recommended by the manufacturer for normal operation? Records Reviewed Continuous 11.8.6.b.1(a) Has the operator installed a manometer, solid-state electronic, or magnehelic pressure gauge to measure the differential pressure across each baghouse. lnstallation was in accordance with this permit condition, and verified to meet this requirement. Continuous il.8.6.b.1(b) Has each gauge been maintained, operated and calibrated in accordance with manufacturer recommendations? Records reviewed.Continuous 11.8.6.b.1(c) ls each pressure gauge located in a way that an inspector/operator can read the indicator safely at any time? Gauge location reviewed.Continuous il.8.6.b.1(d) Has the permittee monitored the baghouse at least once during each week of operations to demonstrate that pressure drop is within the required range? Reviewed monitoring results records. Continuous il.B.6.b.2 Were pressure drop readings recorded at least once during each week of operation while the baghouse was operating? Did records contain the data required in this condition? Records Reviewed.Continuous il.8.6.b.3 Are there any reporting requirements for this provision except those specified in Section 1.S.1 of this permit? There are no reporting requirements Continuous il.8.7 One (1) Baseplate Processor - Joist Plant ll.B.7.a Were visible emissions at the Baseplate processor at or below 5% opacity? Records reviewed.Continuous 11.B.7.a.1 Has the permittee performed a quarterly visible inspection to ensure that the baghouse operates inside of the joist plant building? Records Reviewed.Continuous PAGE 19 OF ]O 11.8.7.a.2 Were results of quarterly monitoring maintained as described in provision l.S.'1 of this permit? Records Reviewed Continuous 11.8.7.a.3 Are there any reporting requirements for this provision except those specified in Section LS.1 of this permit? There are no reporting requirements Continuous il.8.7.b Did the permittee operate the baghouse within the static pressure range recommended by the manufacturer for normal operations? Records reviewed.Continuous ll.B 7.b 1(a) Has the operator installed a manometer, solid-state electronic, or magnehelic pressure gauge to measure the differential pressure across each baghouse. lnstallation was in accordance with this permit condition, and verified to meet this requirement. Continuous il.8 7.b.1(b) Has each gauge been marntained, operated and calibrated in accordance with manufacturer recommendations? Records reviewed.Continuous ll B.7.b.1(c) ls each pressure gauge located in a way that an inspector/operator can read the indicator safely at any time? Gauge location reviewed.Continuous il.8.7.b.1(d) Has the permittee monitored the baghouse at least once during each week of operations to demonstrate that pressure drop is within the required range? Reviewed monitoring results records. Continuous |.8.7.b.2 Were pressure drop readings recorded at least once during each week of operation while the baghouse was operating? Did records contain the data required in this condition? Records Reviewed.Continuous 1r.8.7.b.3 Are there any reporting requirements for this provision except those specified in Section 1.S.1 of this permit? There are no reporting requirements Continuous il.8.8 One steet grating dip tank-ioist plani ll.B.8.a Were dip tanks covered when not in use? Records review.Continuous PAGE 2O O[.-}O 11.8.8.a.1 Did permittee keep records required for this permit condition which serve as monitoring? Records were reviewed and are maintained in accordance with this provision Continuous 11.8.8.a.2 Do records kept include the following: (a) dates and times when steel product assembly/painting commences and ends, (b) verification the dip tank covers are in a closed position within one-hour of when steel product assembly/painting ceased? Are records maintained in accordance with Provision 1.S.1 of this permit? Records were reviewed and are maintained in accordance with this provision Continuous 11.B.8.a.3 Are there any reporting requirements for this provision except those specified in Section 1.S.1 of this permit? There are no reporting requirements Continuous It.B.9 Four (4) Make Up Air HeatercJoist Plant ll.B.9.a Did the permittee maintain visible emissions at the Air Heaters at or below 10% opacity. Records are maintained and reviewed. Continuous 11.B.9.a.1 Did permittee monitor fuel used to demonstrate that only natural gas or propane is being combusted in lieu of monitoring visible emission observations? Records were reviewed and are maintained in accordance with this provision Continuous 11.8.9.a.2 Did permittee maintain an operating log to document any period when plant equipment is operated using any fuel other than natural gas or propane and records maintained in accordance with Provision l.S. 1 of this permit? There were no instances in this reporting period where any fuelother than natural gas was used. Continuous 11.B.9.a.3 Are there any reporting requirements for this provision except those specified in Section 1.S.1 of this permit? There are no reporting requirements Continuous il.B.10 One ({) emergency Engine Joist plant ll.B.10.a Did the permittee maintain visible emissions at the emergency engine at or below 10% opacity? Records are maintained and reviewed. Continuous PAGE 21UF JO 11.8.10.a.1 Did permittee monitor fuel used to demonstrate that only natural gas or propane is being combusted in lieu of monitoring visible emission observations? Records were reviewed and are maintained in accordance with this provision Continuous 11.8.10.a.2 Did permittee maintain an operating log to document any period when plant equipment is operated using any fuel other than natural gas or propane and records maintained in accordance with Provision 1.S.1 of this permit? There were no instances in this reporting period where any fuel other than natural gaE or propane was used. Continuous 11.B.10.a.3 Are there any reporting requirements for this provision except those specified in Section 1.S.1 of this permit? There are no reporting requirements Continuous il.B.10.b Has the permittee complied with all applicable requirements in 40 CFR 60, Subpart JJJJ- standards of performance for stationary spark ignition lnternal Combustion Engines? Equipment documentation, maintenance and installation reoords reviewed. Continuous il.B.10.b.1 Has the permittee demonstrated compliance according to one of the methods specified in paragraphs (a)(1) and (2)of this section? Purchasing and other records reviewed. Continuous il.8.10.b.2 Has the permittee kept records of information in paragraphs (a)(1)through (4)? Have those records been maintained as described in provision LS.1 of this permit? Records reviewed.Continuous il.8.10.b.3 Are there any reporting requirements for this provision except those specified in Section 1.S.1 of this permit? There are no reporting requirements Continuous ll.B.10.c Has the permittee operated the emergency stationary ICE according to the requirements in paragraphs (1) through (3)? Records reviewed Continuous ll.8.10.c.1 Has the permittee installed a non-resettable hour meter to emission units that do not meet the standard applicable to non- emergency engines? lnstallation records reviewed. Continuous PAGE 22 OF 3O 11.8.10.c.2 Has the permittee kept records of the hours of operation for all stationary Sl emergency ICE that do not meet the standards applicable to non-emergency Engines including: (1) How many hours are spent for emergency operation; (2) What classified the operation as emergency; and (3) How many hours are spent for non-emergency operation. Records reviewed and maintained in accordance with this permit condition. Continuous 11.8.10.c.3 Has the permittee operated an emergency stationary Sl ICE for the purpose specified in 40 CFR 60.4243(dX3Xi) and submitted an annual report according to the requirements in paragraphs 40 CFE 60.4243(3)(1) through (3)? Financialand other records reviewed Continuous The facility does not operate the engine for the purpose specified in 40 CFR 60.4243(dX3)(i). [.8.11 Beam LineJoist Plant ll.B.'11.a Were visible emissions on the Beam line, at or below 5% opacity? Baghouse was operated in accordance with this permit condition. Continuous The beam line operation was disconnected and did not operate in the reporting period. 11.B.11.a.1 Did the permittee perform a quarterly inspection to ensure that the baghouse operates inside of the building and does not vent to the atmosphere? Records reviewed.Continuous The beam line operation was disconnected and did not operate in the reporting period. 11.8.11.a.2 Did the permittee maintain the results of quarterly monitoring as described in Provision 1.S.1 of this permit. Records reviewed.Continuous The beam line operation was disconnected and did not operate in the reporting period. 11.8.11.a.3 Are there any reporting requirements for this provision except those specified in Section 1.S.1 of this permit? There are no reporting requirements Continuous il.8.11.b Did the permittee operate the baghouse with in the static pressure range recommended by the manufacturer for normal operations? Records reviewed.Continuous The beam line operation was disconnected and did not operate in the reporting period. ll.B.1 1.b.1(a) Did the permittee install a manometer, solid-state electronic, or Magnehelic pressure gauge to measure the differential pressure across the baghouse? Records reviewed.Continuous The beam line operation was disconnected and did not operate in the reporting period. PAGE 23 Ot -10 il.8.11.b.1 Did the permittee locate the pressure gage such that an inspector /operator can safely read the indicator at any time? Area reviewed.Continuous The beam line operation was disconnected and did not operate in the reporting period. il.B.11.b.1 Did the permittee maintain, operate, and calibrate the instrument annually in accordance with the manufactu rer's instructions or recommendations? Records reviewed.Continuous The beam line operation was disconnected and did not operate in the reporting period. il.B.'t1.b.1 Were pressure drop reading recorded at least once during each week of operation while the baghouse was operating? Reviewed monitoring results records. Continuous The beam line operation was disconnected and did not operate in the reporting period. il.8.1 1.b.2 Were pressure drop readings recorded at least once during each week of operation while the bag house was operating? Did the record documents contain the following information: unit identification, manufacturer recommended pressure drop for the unit including the gauge measurement metric, Weekly pressure drop readings with the appropriate metric, consistent with the condition above (kPA, mbar, inches of water, etc) and Date of reading? Records Reviewed Continuous The beam line operation was disconnected and did not operate in the reporting period. il.8.11.b.3 Are there any reporting requirements for this provision except those specified in Section 1.S.1 of this permit? There are no reporting requirements Continuous !t.8.12 Two (2) Spray Booths-built up line-Nucor Buildings Systems ll.B.12.a ere visible emissions on the Spay booth exhaust stacks, at or below 5% opacity? Exhaust stacks were operated in accordance with this permit condition. Continuous 11.8.12.a.1 Were the visual observations made by an individualtrained on the observation procedures of 40 CFR 60, Appendix A, Method 9? (The individual is not required to be a certified visible emissions observer (VEO)). Reviewed training records or person(s) making observations Continuous P/\Gt 24 OF 30 11.8.12.a.1 lf the permittee observed any visible emissions was an opacity determination performed by a certified VEO in accordance with 40 CFR 60, Appendix A, Method 9? And was this opacity determination made within 24 hours, or at the beginning of the next day of baghouse operation, whichever period is longer? Reviewed record of observations and no visible emissions were observed for the reporting period Continuous 11.8.12.a.2 Were results of monitoring maintained as described in 40 CFR 60, Appendix A, Method 9, and Provision l.S.'t of this permit? Records reviewed.Continuous 11.B.12.a.3 Are there reporting requirements for this provision except those specified in Section I of this Permit? There are not reporting requirements Continuous il.B.12.b Has the permittee replaced all or part of the filter media when the face velocity has dropped to 100 fpm? Spray booth records reviewed. Continuous il.8.12.b.1 Has the permittee installed a manometer or magnehelic pressure gauge to measure the differential pressure across the filter media ofeach spray booth bay and demonstrate compfi ance using the conditions listed in 11.8.12.b 1 (a)-(d)? Records are maintained in accordance with this provision Continuous il.8.12.b.2 Did permittee maintain a record of inspections and maintenance including at a minimum: spray booth identification, date of inspection, results of inspections, cartridge fi lter, manometer or magnehelic gauge repairs or other corrective actions taken? Records are maintained in accordance with this provision Continuous il.8.12.8.3 Are there reporting requirements for this provision except those specified in Section I of this Permit? There are no reporting requirements for this provision Continuous il.8.13 Two (2) Drying Ovens-Built Up Line- Nucor building Systems il.B.13.a Were visible emissions of the Drying Oven at buildings system at or below 10% opacity. Records were reviewed and are maintained in accordance with this provision Continuous PAGE 2 -C OI JO 11.8.13.a.1 Did permittee monitor fuel used to demonstrate that only natural gas or propane is being combusted in lieu of monitoring visible emission observations? Records were reviewed and are maintained in accordance with this provision Continuous 11.B.13.a.2 Did permittee maintain an operating log to document any period when plant equipment is operated using any fuel other than natural gas or propane and records maintained in accordance with Provision 1.S.1 of this permit? Records were reviewed and are maintained in accordance with this provision Continuous 11.B.13.a.3 Are there any reporting requirements for this provision except those specified in Section 1.S.1 of this permit? There are no reporting requirements Continuous lt.B.{4 Flange Line-Nucor Buildings Systenls 11.8.14.a. Were visible emissions on the Flange Line, at or below 5% opacity? Baghouse was operated in accordance with this permit condition. Continuous 11.8.14.a.1 Did the permittee perform a quarterly inspection to ensure that the baghouse operates inside of the building and does not vent to the atmosphere? Records were reviewed and are maintained in accordance with this provision Continuous 11.8.14.a.2 Did the permittee maintain the results of quarterly monitoring as described in Provision 1.S.1 of this permit. Records were reviewed and are maintained in accordance with this provision Continuous 11.B.14.a.3 Are there any reporting requirements for this provision except those specified in Section 1.S,1 of this permit? There are no reporting requirements Continuous ll.B.14.b Did the permittee operate the baghouse within the static pressure rage recommended by the manufacturer for normal operations? Baghouse was operated in accordance with this permit condition. Continuous 11 8.14.b.1(a) Has the permittee installed a manometer, solid- state electronic or magnehelic pressure gauge to measure the differential pressure across each baghouse? lnstallation reviewed.Continuous PAGE 26 OF 3O il.8.14.b.1(b) Did the permittee calibrate, operate and maintain the instrument in accordance with the man ufacturer's instructions or recommendations? Records Reviewed Continuous 11.B.14.b.1(c) Did the permittee locate the pressure gage such that an inspector/operator can safely read the indicator at any time? lnstallation was in accordance with this permit condition, and verified to meet this requirement. Continuous il.8.14.b.1(d) Has the permittee monitored the baghouse at least once during each week of operations to demonstrate that pressure drop is within the required range? Reviewed records.Continuous il.8.14.b.2 Were pressure drop readings recorded at least once during each week of operation while the bag house was operating? Did the record documents contain the following information: unit identification, manufacturer recommended pressure drop for the unit including the gauge measurement metric, Weekly pressure drop readings with the appropriate metric, consistent with the condition above (kPA, mbar, inches of water, etc) and Date of reading? Reviewed records.Continuous il.8.14.b.3 Are there any reporting requirements for this provision except those specified in Section 1.S.1 of this permit? There are no reporting requirements Continuous lt.B.t5 One (1) Shot Blaster- Nucor Buildings Systems ll.B.15.a Were visible emissions on the Shot Blaster at or below 5% opacity? Baghouse was operated in accordance with this permit condition. Continuous 11.B.15.a.'l Did the permittee perform a quarterly inspection to ensure that the baghouse operates inside the Nucor Building Systems building and does not vent to the atmosphere? Records were reviewed and are maintained in accordance with this provision Continuous PAGE 27 OF ]O 11.8.15.a.2 Did the permittee maintain the results of quarterly monitoring as described in Provision 1.S.1 of this permit. Records were reviewed and ars maintained in accordance with this provision Continuous ll.B.15.a.3 Are there any reporting requirements for this provision except those specified in Section 1.S.1 of this permit? There are no reporting requirements Continuous il.B.15.b Did the permittee operate the baghouse within the that the static pressure rage recommended by the manufacturer for normal operations? Records were reviewed and are maintained in accordance with this provision Continuous 11.B.15.b.1(a) Has the permittee installed a manometer, solid- state electronic or magnehelic pressure gauge to measure the differential pressure across each baghouse? lnstallation reviewed.Continuous il.8.15.b.1(b) Did the permittee calibrate, operate and maintain the instrument in accordance with the manufacturer's instructions or recommendations? Records were reviewed and are maintained in accordance with this provision Continuous 11.B.15.b.1(c) Did the permittee locate the pressure gage such that an inspector/operator can safely read the indicator at any time? lnstallation was in accordance witr this permit condition, and verified to meet this requirement. Continuous il.8.15,b,1(d) Has the permittee monitored the baghouse at least once during each week of operation to demonstrate that pressure drop is within the required range? Racords were reviewed and are maintained in accordance witr this prOvision Continuous PAGE 28 OF ]O il.B.15.b.2 Were pressure drop readings recorded at least once during each week of operation while the bag house was operating? Did the record documents contain the following information: unit identification, manufacturer recommended pressure drop for the unit including the gauge measurement metric, Weekly pressure drop readings with the appropriate metric, consistent with the condition above (kPA, mbar, inches of water, etc) and Date of reading? Records were reviewed and are maintained in accordance with this provision Continuous il.8.15.b.3 Are there any reporting requirements for this provision except those specified in Section 1.S.1 of this permit? There are no reporting requirements Continuous [.8.16 One ({} Purlin line Drying Oven- Nucor Building Systems ll.B.16.a Were visible emissions at the Purlin Line Drying Oven, at or below 10% opacity? Records were reviewed and are maintained in accordance with this provision Continuous ll.8.16.a.1 Did permittee monitor fuel used to demonstrate that only natural gas or propane is being combusted in lieu of monitoring visible emission observations? Records were reviewed and are maintained in accordance with this provision Continuous 11.B.16.a.2 Did permittee maintain an operating log to document any period when plant equipment is operated using any fuel other than natural gas or propane and records maintained in accordance with Provision 1.S.1 of this permit? Records were reviewed and are maintained in accordance with this provision Continuous 11.B.16.a.3 Are there any reporting requirements for this provision except those specified in Section LS.1 of this permit? There are no reporting requirements Continuous il.B.17 Accessory Dip Coating- Nucor Building Systems ll.B.17.a Were dip tanks covered when not in use? Records were reviewed are maintained in accordance with this provision Continuous PAGE 29 OT 3O 11.8.17.a.1 Did permittee keep records required br this permit condition which serve as monitoring? Rr tTli ac wi, pn ords are ntained in ordance this dsion Gontinuous 11.8.17.a.2 Do records kept include the bllowing: (a) dates and times when steel product assembly/painting commen@s and ends, (b) verification the dip tank covers are in a closed position within one-hour of when steel product assembly/painting ceased. Are records maintained in accordance with Provision 1.S.1 of this permit? Re re\ an in wil pr( ;ords eured were and maintained ccordance rthis dsion Continuous 11.B.17.a.3 Are there any reporting requirements for this provision except those specified in Section 1.S.1 of this permit? Th rel re( re are no rrting rirements Continuous CERTIFICATION: ln accordance with Operating Permit provision I.K a after reasonable inquiry, I certifr that the statementsM Signature of a Responsible Oflicial for the Source Darin Gardner - General Manager lrint or type the name and title of Responsible Oflic UAC R307-415-5d, and based on information and belief I information in this document art true, accurat€, and con 217124 Date GE 30 ot 30 lief formed complete. REVIEWEDInitials:Date: Feb12, 2024Compliance Status: OKFile #: 10028 (B2)