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Code of Federal Regulations (Last Updated: May 6, 2024) |
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Title 40 - Protection of Environment |
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Chapter I - Environmental Protection Agency |
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SubChapter N - Effluent Guidelines and Standards |
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Part 434 - Coal Mining Point Source Category BPT, Bat, BCT Limitations and New Source Performance Standards |
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Subpart D - Alkaline Mine Drainage |
§ 434.42 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
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§ 434.42 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, 40 CFR 401.17, and §§ 434.61 and 434.63 of this part, the following limitations establish the concentration or quality of pollutants which may be discharged by a point source subject to the provisions of this subpart after application of the best practicable control technology currently available:
BPT Effluent Limitations
Pollutant or pollutant property Maximum for any 1 day Average of daily values for 30 consecutive days Concentration in mg/l Iron, total 7.0 3.5 TSS 70. 35. pH (1) (1)