{"data":{"id":"us/40-cfr-appendix-iii-to-part-265","jurisdiction":"us","citation":"40 CFR Appendix III to Part 265","heading":"Appendix III to Part 265—EPA Interim Primary Drinking Water Standards","body":"Parameter Maximum level (mg/l)\nArsenic 0.05\nBarium 1.0\nCadmium 0.01\nChromium 0.05\nFluoride 1.4-2.4\nLead 0.05\nMercury 0.002\nNitrate (as N) 10\nSelenium 0.01\nSilver 0.05\nEndrin 0.0002\nLindane 0.004\nMethoxychlor 0.1\nToxaphene 0.005\n2,4-D 0.1\n2,4,5-TP Silver 0.01\nRadium 5 pCi/1\nGross Alpha 15 pCi/1\nGross Beta 4 millirem/yr\nTurbidity 1/TU\nColiform Bacteria 1/100 ml\n[Comment: Turbidity is applicable only to surface water supplies.]","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER I—SOLID WASTES","PART 265—INTERIM STATUS STANDARDS FOR OWNERS AND OPERATORS OF HAZARDOUS WASTE TREATMENT, STORAGE, AND DISPOSAL FACILITIES"],"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":"ffbdcf7c4f07426fccea4b06dc3924e5c131eddbf3fa235dc93b335d227d11c5","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-appendix-ii-to-part-265","next":"us/40-cfr-appendix-iv-to-part-265"},"notice":"GroundRules: Original legal text. Not legal advice."}