Except as provided in 40 CFR 125.30-125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT):
BCT Effluent Limitations
Stream | Pollutant parameter | BCT effluent limitations |
---|---|---|
Produced Water (all facilities) | Oil & Grease | The maximum for any one day shall not exceed 72 mg/l and the 30-day average shall not exceed 48 mg/l. |
Drilling Fluids and Drill Cuttings and Dewatering Effluent:1 | ||
All facilities except Cook Inlet | No discharge. | |
Cook Inlet: | ||
Water-based drilling fluids, drill cuttings, and dewatering effluent | Free Oil | No discharge.2 |
Non-aqueous drilling fluids and dewatering effluent | No discharge. | |
Drill cuttings associated with non-aqueous drilling fluids | Free Oil | No discharge.2 |
Well Treatment, Workover and Completion Fluids | Free Oil | No discharge.2 |
Produced Sand | No discharge. | |
Deck Drainage | Free Oil | No discharge.3 |
Sanitary Waste: | ||
Sanitary M10 | Residual Chlorine | Minimum of 1 mg/l maintained as close to this concentration as possible. |
Sanitary M91M | Floating Solids | No discharge. |
Domestic Waste | Floating Solids and garbage | No discharge of Floating Solids or garbage. |
[61 FR 66125, Dec. 16, 1996; 62 FR 1682, Jan. 13, 1997, as amended at 66 FR 6917, Jan. 22, 2001; 77 FR 29846, May 18, 2012]