{"data":{"id":"us/40-cfr-420.96","jurisdiction":"us","citation":"40 CFR 420.96","heading":"Pretreatment standards for new sources (PSNS).","body":"Except as provided in 40 CFR 403.7, any new source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources.\n(a) Sulfuric acid pickling (spent acid solutions and rinse waters)—(1) Rod, wire, coil.\nSubpart I\nPollutant or pollutant property Pretreatment standards for new sources\nMaximum for any 1 day Average of daily values for 30 consecutive days\nKg/kkg (pounds per 1,000 lb) of product\nLead 0.0000939 0.0000313\nZinc 0.000125 0.0000417\n(2) Bar, billet, and bloom.\nSubpart I\nPollutant or pollutant property Pretreatment standards for new sources\nMaximum for any 1 day Average of daily values for 30 consecutive days\nKg/kkg (pounds per 1,000 lb) of product\nLead 0.0000563 0.0000188\nZinc 0.0000751 0.0000250\n(3) Strip, sheet, and plate.\nSubpart I\nPollutant or pollutant property Pretreatment standards for new sources\nMaximum for any 1 day Average of daily values for 30 consecutive days\nKg/kkg (pounds per 1,000 lb) of product\nLead 0.0000751 0.0000250\nZinc 0.000100 0.0000334\n(4) Pipe, tube, other products.\nSubpart I\nPollutant or pollutant property Pretreatment standards for new sources\nMaximum for any 1 day Average of daily values for 30 consecutive days\nKg/kkg (pounds per 1,000 lb) of product\nLead 0.000131 0.0000438\nZinc 0.000175 0.0000584\n(5) Fume scrubber.\nSubpart I\nPollutant or pollutant property Pretreatment standards for new sources\nMaximum for any 1 day Average of daily values for 30 consecutive days\nKilograms per day\nLead 0.0368 0.0123\nZinc 0.0491 0.0164\nNote: The above limitations are applicable to each fume scrubber associated with sulfuric acid pickling operations.\n(b) Hydrochloric acid pickling (spent acid solutions and rinse waters)—(1) Rod, wire, coil.\nSubpart I\nPollutant or pollutant property Pretreatment standards for new sources\nMaximum for any 1 day Average of daily values for 30 consecutive days\nKg/kkg (pounds per 1,000 lb) of product\nLead 0.000113 0.0000376\nZinc 0.000150 0.0000501\n(2) Strip, sheet, and plate.\nSubpart I\nPollutant or pollutant property Pretreatment standards for new sources\nMaximum for any 1 day Average of daily values for 30 consecutive days\nKg/kkg (pounds per 1,000 lb) of product\nLead 0.0000751 0.0000250\nZinc 0.000100 0.0000334\n(3) Pipe, tube, and other products.\nSubpart I\nPollutant or pollutant property Pretreatment standards for new sources\nMaximum for any 1 day Average of daily values for 30 consecutive days\nKg/kkg (pounds per 1,000 lb) of product\nLead 0.000206 0.0000688\nZinc 0.000275 0.0000918\n(4) Fume scrubber.\nSubpart I\nPollutant or pollutant property Pretreatment standards for new sources\nMaximum for any 1 day Average of daily values for 30 consecutive days\nKilograms per day\nLead 0.0368 0.0123\nZinc 0.0491 0.0164\nNote: The above limitations shall be applicable for each fume scrubber associated with hydrochloric acid pickling operations.\n(c) Combination acid pickling (spent acid solutions and rinse waters)—(1) Rod, wire, and coil.\nSubpart I\nPollutant or pollutant property Pretreatment standards for new sources\nMaximum for any 1 day Average of daily values for 30 consecutive days\nkg/kkg (pounds per 1,000 lb) of product\nChromium 0.000292 0.000117\nNickel 0.000263 0.0000876\n(2) Bar, billet, and bloom.\nSubpart I\nPollutant or pollutant property Pretreatment standards for new sources\nMaximum for any 1 day Average of daily values for 30 consecutive days\nkg/kkg (pounds per 1,000 lb) of product\nChromium 0.000167 0.0000667\nNickel 0.000150 0.0000501\n(3) Strip, sheet, and plate—continuous.\nSubpart I\nPollutant or pollutant property Pretreatment standards for new sources\nMaximum for any 1 day Average of daily values for 30 consecutive days\nkg/kkg (pounds per 1,000 lb) of product\nChromium 0.000710 0.000284\nNickel 0.000638 0.000213\n(4) Strip, sheet, and plate—batch.\nSubpart I\nPollutant or pollutant property Pretreatment standards for new sources\nMaximum for any 1 day Average of daily values for 30 consecutive days\nkg/kkg (pounds per 1,000 lb) of product\nChromium 0.000250 0.000100\nNickel 0.000225 0.0000751\n(5) Pipe, tube, and other products.\nSubpart I\nPollutant or pollutant property Pretreatment standards for new sources\nMaximum for any 1 day Average of daily values for 30 consecutive days\nKg/kkg (pounds per 1,000 lb) of product\nChromium 0.000418 0.000167\nNickel 0.000376 0.000125\n(6) Fume scrubber.\nSubpart I\nPollutant or pollutant property Pretreatment standards for new sources\nMaximum for any 1 day Average of daily values for 30 consecutive days\nKilograms per day\nChromium 0.0819 0.0327\nNickel 0.0735 0.0245\nNote: The above limitations shall be applicable for each fume scrubber associated with combination acid pickling operations.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS","PART 420—IRON AND STEEL MANUFACTURING POINT SOURCE CATEGORY","Subpart I—Acid Pickling 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":"521c32bf2001aa7d91727c1d65ea407e6a8a32e7cdd474def7bd54649e30e2eb","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-420.95","next":"us/40-cfr-420.97"},"notice":"GroundRules: Original legal text. Not legal advice."}