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Code of Federal Regulations (Last Updated: May 6, 2024)

Title 40 - Protection of Environment

Chapter I - Environmental Protection Agency

SubChapter C - Air Programs

Part 63 - National Emission Standards for Hazardous Air Pollutants for Source Categories

Subpart LL - National Emission Standards for Hazardous Air Pollutants for Primary Aluminum Reduction Plants

Table 1 To Subpart LL - Potline TF Limits for Emission Averaging

Latest version.

TypeMonthly TF limit (1b/ton)
[for given number of potlines]

2 lines

3 lines

4 lines

5 lines

6 lines

7 lines

8 lines

CWPB11.71.61.51.51.41.41.4

CWPB22.92.82.72.72.62.62.6

CWPB32.32.22.22.12.12.12.1

VSS121.91.81.71.71.71.7

VSS22.62.52.52.42.42.42.4

HSS2.52.42.42.32.32.32.3

SWPB1.41.31.31.21.21.21.2

                    
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