{"data":{"id":"us/40-cfr-433.17","jurisdiction":"us","citation":"40 CFR 433.17","heading":"Pretreatment standards for new sources (PSNS).","body":"(a) Except as provided in 40 CFR 403.7, any new source subject to this subpart that introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources (PSNS):\nPSNS\nPollutant or pollutant property Maximum for any 1 day Monthly average shall not exceed\nMilligrams per liter (mg/l)\nCadmium (T) 0.11 0.07\nChromium (T) 2.77 1.71\nCopper (T) 3.38 2.07\nLead (T) 0.69 0.43\nNickel (T) 3.98 2.38\nSilver (T) 0.43 0.24\nZinc (T) 2.61 1.48\nCyanide (T) 1.20 0.65\nTTO 2.13\n(b) Alternatively, for industrial facilities with cyanide treatment, and upon agreement between a source subject to these limits and the pollution control authority, the following amenable cyanide limit may apply in place of the total cyanide limit specified in paragraph (a) of this section:\nPollutant or pollutant property Maximum for any 1 day Monthly average shall not exceed\nMilligrams per liter (mg/l)\nCyanide (A) 0.86 0.32\n(c) No user subject to the provisions of this subpart shall augment the use of process wastewater or otherwise dilute the wastewater as a partial or total substitute for adequate treatment to achieve compliance with this limitation.\n(d) An existing source submitting a certification in lieu of monitoring pursuant to § 433.12 (a) and (b) of this regulation must implement the toxic organic management plan approved by the control authority.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS","PART 433—METAL FINISHING POINT SOURCE CATEGORY","Subpart A—Metal Finishing Subcategory"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"013cd3394708b4a366678d669cc60821f84b7359aea71191aa39e828464d237f","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-433.16","next":"us/40-cfr-434.10"},"notice":"GroundRules: Original legal text. Not legal advice."}