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Code of Federal Regulations Title 40. Protection of Environment § 40.435.42 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT)

Current as of January 02, 2025 | Updated by Findlaw Staff

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 practicable control technology currently available.

BPT Effluent Limitations—Oil and Grease

[In milligrams per liter]

Pollutant parameter waste source

Maximum for any 1 day

Average of values for 30 consecutive days shall not exceed

Residual chlorine minimum for any 1 day

Produced water

72

48

NA

Deck drainage

(1)

(1)

NA

Water-based:

Drilling fluids

(1)

(1)

NA

Drill Cuttings

(1)

(1)

NA

Non-aqueous:

Drilling fluids

No discharge

No discharge

NA

Drill Cuttings

(1)

(1)

NA

Well treatment, workover, and completion fluids

(1)

(1)

NA

Sanitary:

M10

NA

NA

2 1

M9IM3

NA

NA

NA

Domestic3

NA

NA

NA

Produced sand

Zero discharge

Zero discharge

NA

1 No discharge of free oil. See § 435.41(y).

2 Minimum of 1 mg/l and maintained as close to this concentration as possible.

3 There shall be no floating solids as a result of the discharge of these wastes.

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Cite this article: FindLaw.com - Code of Federal Regulations Title 40. Protection of Environment § 40.435.42 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT) - last updated January 02, 2025 | https://codes.findlaw.com/cfr/title-40-protection-of-environment/cfr-sect-40-435-42/

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