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  2. Title 40 - Protection of Environment
  3. Chapter I - ENVIRONMENTAL PROTECTION AGENCY
  4. Subchapter C - AIR PROGRAMS
  5. Part 63 - NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES
  6. Subpart LL - National Emission Standards for Hazardous Air Pollutants for Primary Aluminum Reduction Plants
  7. 40 CFR Table 2 to Subpart LL of Part 63
40 CFR Table 2 to Subpart LL of Part 63
Potline POM Limits for Emission Averaging
June 9, 2020
CFR
Open Table
Type Semiannual POM limit (lb/ton) [for given number of potlines]
2 lines 3 lines 4 lines 5 lines 6 lines 7 lines 8 lines
CWPB1 1 0.9 0.9 0.9 0.8 0.8 0.8
CWPB2 11.6 11.2 10.8 10.8 10.4 10.4 10.4
CWPB3 2.5 2.4 2.4 2.3 2.3 2.3 2.3
SWPB 14.8 13.8 13.8 13.8 13.8 13.8 13.8
VSS2 1.7 1.6 1.5 1.5 1.4 1.4 1.4

[80 FR 62424, Oct. 15, 2015]

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Table 1 to Subpart LL of Part 63 Potline TF Limits for Emission Averaging
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Table 3 to Subpart LL of Part 63 Potline PM Limits for Emission Averaging

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