U.S. Code of Federal Regulations

Regulations most recently checked for updates: Oct 04, 2022

§ 428.116 - Pretreatment standards for new sources.

Any new source subject to this subpart that introduces process wastewater pollutants into a publicly owned treatment works must comply with 40 CFR part 403. In addition, the following pretreatment standard establishes the quantity or quality of pollutants or pollutant properties, controlled by this section, which may be discharged to a publicly owned treatment works by a new point source subject to the provisions of this subpart:

Pollutant or pollutant property Pretreatment standards
Maximum for any 1 day Average of daily values for 30 consecutive days shall not exceed -
Metric units (kg/kkg of raw material)
Zinc0.0580.024
BOD5( 1)( 1)
TSS( 1)( 1)
pH( 1)( 1)
English units (lb/1,000 lb of raw material)
Zinc0.0580.024
BOD5( 1)( 1)
TSS( 1)( 1)
pH( 1)( 1)

1 No limitation.

[40 FR 2345, Jan. 10, 1975, as amended at 60 FR 33964, June 29, 1995]