{"data":{"id":"us/40-cfr-415.226","jurisdiction":"us","citation":"40 CFR 415.226","heading":"Pretreatment standards for new sources (PSNS).","body":"(a) Except as provided in 40 CFR 403.7, any new source subject to this subpart and producing titanium dioxide by the sulfate process 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 (PSNS):\nSubpart V—Titanium Dioxide—Sulfate Process\nPollutant or pollutant property PSNS effluent limitations\nMaximum for any 1 day Average of daily values for 30 consecutive days\nMilligrams per liter (mg/1)\nIron (T) 8.5 2.5\nChromium (T) 0.57 0.30\nNickel (T) 0.38 0.20\nIn cases where POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as an alternate: The limitations for Iron (T), Chromium (T), and Nickel (T) are the same as specified in § 415.225(a).\n(b) Except as provided in 40 CFR 403.7, any new source subject to this subpart and producing titanium dioxide by the chloride process 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 (PSNS):\nSubpart V—Titanium Dioxide-Chloride Process\nPollutant or pollutant property PSNS effluent limitations\nMaximum for any 1 day Average of daily values for 30 consecutive days\nMilligrams per liter (mg/1)\nIron (T) 5.3 1.6\nChromium (T) 0.23 0.12\nIn cases where POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as guidance: The limitations for Iron(T) and Chromium(T) are the same as specified in § 415.255(b).\n(c) Except as provided in § 403.7, any new source subject to this subpart and producing titanium dioxide by the simultaneous beneficiation-chlorination (chloride-ilmenite) process 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 (PSNS):\nSubpart V—Titanium Dioxide-Chloride-Ilmenite Process\nPollutant or pollutant property PSNS effluent limitations\nMaximum for any 1 day Average of daily values for 30 consecutive days\nMilligrams per liter (mg/l)\nIron (T) 5.3 1.6\nChromium (T) 0.23 0.12\nNickel (T) 0.33 0.17\nIn cases where POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as an alternate: The limitations for Iron (T), Chromium (T), and Nickel (T) are the same as specified in § 415.225(c).","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS","PART 415—INORGANIC CHEMICALS MANUFACTURING POINT SOURCE CATEGORY","Subpart V—Titanium Dioxide Production 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":"7098e8ee8350fa68c18571e397ceef7d0bbb6e9fe49ce79cc0e9ca304fd9cd56","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-415.225","next":"us/40-cfr-415.227"},"notice":"GroundRules: Original legal text. Not legal advice."}