- Table 3 to Subpart LL of Part 63—Potline PM Limits for Emission Averaging
| Type | Semiannual PM limit (lb/ton) [for given number of potlines] | 2 lines | 3 lines | 4 lines | 5 lines | 6 lines | 7 lines | 8 lines | CWPB1 | 6.1 | 6.1 | 5.3 | 5.3 | 5.0 | 5.0 | 5.0 | CWPB2 | 10.6 | 10.3 | 9.9 | 9.9 | 9.5 | 9.5 | 9.5 | CWPB3 | 18.4 | 17.6 | 17.6 | 16.8 | 16.8 | 16.8 | 16.8 | SWPB | 4.3 | 3.9 | 3.9 | 3.7 | 3.7 | 3.7 | 3.7 | VSS2 | 25 | 24.1 | 24.1 | 23.1 | 23.1 | 23.1 | 23.1 |
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