Code of Federal Regulations (Last Updated: July 5, 2024) |
Title 40 - Protection of Environment |
Chapter I - Environmental Protection Agency |
SubChapter N - Effluent Guidelines and Standards |
Part 431 - [Reserved] |
Subpart A - Builders’ Paper and Roofing Felt Subcategory |
§ 431.12 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
Latest version.
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Except as provided in 40 CFR 125.30 through 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).
Subpart A Pollutant or pollutant property BPT effluent limitations Maximum for any 1 day Average of daily values for 30 consecutive days Kg/kkg (or pounds per 1,000 lb) of product BOD 5 5.0 3.0 TSS 5.0 3.0 pH ( 1 )( 1 )Settleable Solids ( 2 )( 2 )1 Within the range of 6.0 to 9.0 at all times.2 Not to exceed 0.2 ml/l.