Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT).

§ 435.44 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT).

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 & GreaseThe 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 InletNo discharge.
Cook Inlet:
Water-based drilling fluids, drill cuttings, and dewatering effluentFree OilNo discharge. 2
Non-aqueous drilling fluids and dewatering effluentNo discharge.
Drill cuttings associated with non-aqueous drilling fluidsFree OilNo discharge. 2
Well Treatment, Workover and Completion FluidsFree OilNo discharge. 2
Produced SandNo discharge.
Deck DrainageFree OilNo discharge. 3
Sanitary Waste:
Sanitary M10Residual ChlorineMinimum of 1 mg/l maintained as close to this concentration as possible.
Sanitary M91MFloating SolidsNo discharge.
Domestic WasteFloating Solids and garbageNo discharge of Floating Solids or garbage.
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