326 Ind. Admin. Code 6.8-2-37
Current through May 29, 2024
Authority: IC 13-14-8; IC 13-17-3-4; IC 13-17-3-11
Affected: IC 13-15; IC 13-17
Sec. 37.
United States Gypsum Company in Lake County, source identification number 00333, shall meet the following emission limits:
| Source | Emission Limits | |
| Units | lbs/hr | |
| Raw material handling | ||
| Each stack serving raw material conveying and storage, stacks J11, J12, and J13 | 0.015 gr/dscf | 0.190 |
| Rock handling process | ||
| Drying, grinding, and calcining, stack M1 | 0.012 gr/dscf | 3.210 |
| Stucco elevating and conveying, stack M2 | 0.015 gr/dscf | 2.210 |
| Wallboard manufacturing process | ||
| Paper grinding and stucco system, stack B1 | 0.020 gr/dscf | 2.230 |
| Specialty board manufacturing process (kerfing), stack B3 | 0.020 gr/dscf | 0.260 |
| Each stack serving ready mix process, stacks J1, J2, and J3 | 0.017 lbs/ton | 0.100 |
| Dry texture paint process | ||
| Mixing and packing, stack J4 | 0.020 gr/dscf | 0.190 |
| Bag dumping, stack J5 | 0.010 gr/dscf | 0.100 |
| Dry additive conveying, stack J6 | 0.010 gr/dscf | 0.030 |
| Dry joint compound process | ||
| Mixing and packing, stack J7 | 0.020 gr/dscf | 0.340 |
| Additive bag dumping, stack J8 | 0.010 gr/dscf | 0.34 |
326 IAC 6.8-2-37