{"data":{"id":"us/40-cfr-415.225","jurisdiction":"us","citation":"40 CFR 415.225","heading":"New source performance standards (NSPS).","body":"(a) Any new source subject to this subpart producing titanium dioxide by the sulfate process must achieve the following new source performance standards (NSPS):\nSubpart V—Titanium Dioxide-Sulfate Process\nPollutant or pollutant property NSPS effluent limitations\nMaximum for any 1 day Average of daily values for 30 consecutive days\nKg/kkg (or pounds per 1,000 lb) of product\nTSS 110 30\nIron (T) 4.1 1.2\nChromium (T) 0.27 0.14\nNickel (T) 0.18 0.095\npH (1) (1)\n1 Within the range 6.0 to 9.0.\n(b) Any new source subject to this subpart producing titanium dioxide by the chloride process must achieve the following new source performance standards (NSPS):\nSubpart V—Titanium Dioxide-Chloride Process\nPollutant or pollutant property NSPS effluent limitations\nMaximum for any 1 day Average of daily values for 30 consecutive days\nKg/kkg (or pounds per 1,000 lb) of product\nTSS 14 4.0\nIron (T) 0.52 0.16\nChromium (T) 0.023 0.012\nph (1) (1)\n1 Within the range 6.0 to 9.0.\n(c) Any new source subject to this subpart producing titanium dioxide by the simultaneous beneficiation-chlorination (chloride-ilmenite) process must achieve the following new source performance standards (NSPS):\nSubpart V—Titanium Dioxide-Chloride-Ilmenite Process\nPollutant or pollutant property NSPS effluent limitations\nMaximum for any 1 day Average of daily values for 30 consecutive days\nKg/kkg (or pounds per 1,000 lb) of product\nTSS 8.4 2.4\nIron (T) 0.32 0.096\nChromium (T) 0.014 0.0072\nNickel (T) 0.020 0.010\npH (1) (1)\n1 Within the range 6.0 to 9.0.","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":"5e7f3d189130688bcd58707194b63cabe162a57ecd12fc42c4e19d39e6f4759b","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-415.224","next":"us/40-cfr-415.226"},"notice":"GroundRules: Original legal text. Not legal advice."}