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Except as provided in 40 CFR 125.30-32, 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
1 All Alaskan facilities are subject to the drilling fluids and drill cuttings discharge limitations for facilities located more than 3 miles offshore.
2 As determined by the static sheen test. See § 435.11(hh).
3 As determined by the presence of a film or sheen upon or a discoloration of the surface of the receiving water (visual sheen).