{"data":{"id":"us/40-cfr-439.26","jurisdiction":"us","citation":"40 CFR 439.26","heading":"Pretreatment standards for existing sources (PSES).","body":"Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart must achieve the following standards by September 21, 2001:\nPretreatment Standards (PSES)\nRegulated parameter Maximum daily 1 Maximum monthly average 1\nAcetone 20.7 8.2\nn-Amyl acetate 20.7 8.2\nEthyl acetate 20.7 8.2\nIsopropyl acetate 20.7 8.2\nMethylene chloride 3.0 0.7\n1 mg/L (ppm).","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS","PART 439—PHARMACEUTICAL MANUFACTURING POINT SOURCE CATEGORY","Subpart B—Extraction Products"],"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":"33e345124ae13ce2c5f963875426fc86bae9f3aea58655b948e27e45a3691be6","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-439.25","next":"us/40-cfr-439.27"},"notice":"GroundRules: Original legal text. Not legal advice."}