40 C.F.R. § 435.42
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT)
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.
| 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 |
| M9IM 3 | NA | NA | NA |
| Domestic 3 | 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. | |||
Notes of Decisions
Cited in 1
case, 1996–1996 · leading case: Sierra Club, Lone Star Chapter v. Cedar Point Oil Co., 73 F.3d 546 (5th Cir. 1996).
Sierra Club, Lone Star Chapter v. Cedar Point Oil Co., 73 F.3d 546 (5th Cir. 1996). “40 C.F.R. § 435.42 . 15 . The CWA requires that a person bringing an action under the citizen suit provision send an "intent to sue” letter to the EPA, the alleged violator, and the state in which the alleged violation occurs at least 60 days prior to the commencement of the…”
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