StacksVerified U.S. regulatory reference

40 CFR §463.34

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)NSPS for bis(2-ethylhexyl) phthalate, di-n-butyl phthalate, and dimethyl phthalate are reserved.
  2. (b)Any new source subject to this subpart must achieve performance standards (i.e., mass of pollutant discharged), which are calculated by multiplying the average process water usage flow rate for the finishing water processes at a new source times the following pollutant concentrations: