CFR › Title 40 › Part 463 › §463.1640 CFR §463.16Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)PSNS for bis(2-ethylhexyl)phthalate are reserved.(b)Any new source subject to this subpart that introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403—General Pretreatment Regulations.