Standards of performance for new sources (NSPS).

§ 435.45 Standards of performance for new sources (NSPS).

Any new source subject to this subpart must achieve the following new source performance standards (NSPS):

NSPS Effluent Limitations

Stream Pollutant parameter NSPS effluent limitations
Produced Water:
(A) All coastal areas except Cook InletNo discharge.
(B) Cook InletOil & GreaseThe maximum for any one day shall not exceed 42 mg/l, and the 30-day average shall not exceed 29 mg/l.
Drilling Fluids, Drill Cuttings, and Dewatering Effluent: 1
(A) All coastal areas except Cook InletNo discharge.
(B) Cook Inlet:
Water-based drilling fluids, drill cuttings, and dewatering effluentSPP ToxicityMinimum 96-hour LC50. of the SPP Toxicity Test 4 shall be 3% by volume.
Free oilNo discharge. 2
Diesel oilNo discharge.
Mercury1 mg/kg dry weight maximum in the stock barite.
Cadmium3 mg/kg dry weight maximum in the stock barite.
Non-aqueous drilling fluids and dewatering effluentNo discharge.
Drill cuttings associated with non-aqueous drilling fluidsNo discharge. 5
Well Treatment, Workover and Completion Fluids:
(A) All coastal areas except Cook InletNo discharge.
(B) Cook InletOil & GreaseThe maximum for any one day shall not exceed 42 mg/l, and the 30-day average shall not exceed 29 mg/l.
Produced SandNo discharge.
Deck DrainageFree Oil 3No discharge.
Sanitary Waste
Sanitary M10Residual ChlorineMinimum of 1 mg/l and maintained as close to this concentration as possible.
Sanitary M9IMFloating SolidsNo discharge.
Domestic WasteFloating Solids, Garbage and FoamNo discharge of floating solids or garbage or foam.
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