{"data":{"id":"us/40-cfr-411.37","jurisdiction":"us","citation":"40 CFR 411.37","heading":"Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology.","body":"The following limitations establish the quantity or quality of pollutants or pollutant properties, controlled by this section, which may be discharged by a point source subject to the provisions of this subpart after application of the best conventional pollutant control technology.\n(a) Subject to the provisions of paragraph (b) of this section, the following limitations establish the quantity or quality of pollutants or pollutant properties, controlled by this section, which may be discharged by a point source subject to the provisions of this subpart after application of the best conventional pollutant control technology.\nEffluent characteristic Effluent limitations\nTSS Not to exceed 50 mg/l.\npH Within the range 6.0 to 9.0.\n(b) Any untreated overflow from facilities designed, constructed and operated to treat the volume of runoff from materials storage piles which results from a 10-year, 24-hour rainfall event shall not be subject to the pH and TSS limitations stipulated in paragraph (a) of this section.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS","PART 411—CEMENT MANUFACTURING POINT SOURCE CATEGORY","Subpart C—Materials Storage Piles Runoff 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":"f1da9a8c362a1f4b4a032d435fd276ec2c7e34a8725a54c486ebcd9a662e81d8","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-411.36","next":"us/40-cfr-412.1"},"notice":"GroundRules: Original legal text. Not legal advice."}