StacksVerified U.S. regulatory reference

40 CFR §463.24

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
Any new source subject to this subpart must achieve performance standards (i.e., mass of pollutant discharged) calculated by multiplying the average process water usage flow rate for cleaning processes at a new source times the following pollutant concentrations: