U.S. Code of Federal Regulations

Regulations most recently checked for updates: Oct 04, 2022

§ 443.42 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.

Except as provided in §§ 125.30 through 125.32, any existing point source subject to this subpart shall 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 characteristic Effluent limitations
Maximum for any 1 day Average of daily values for 30 consecutive days shall not exceed -
Metric units (kg/kkg of product)
TSS0.0380.025
pH( 1)( 1)
English units (lb/1,000 lb of product)
TSS0.0380.025
pH( 1)( 1)

1 Within the range 6.0 to 9.0.

[40 FR 31191, July 24, 1975, as amended at 60 FR 33970, June 29, 1995]