40 C.F.R. Appendix I to Part 257—Maximum Contaminant Levels (MCLs)
Title 40 - Protection of Environment
[56 FR 51016, Oct. 9, 1991]
Title 40: Protection of Environment
PART 257—CRITERIA FOR CLASSIFICATION OF SOLID WASTE DISPOSAL FACILITIES AND PRACTICES
Subpart B—Disposal Standards for the Receipt of Conditionally Exempt Small Quantity Generator (CESQG) Wastes at Non-Municipal Non-Hazardous Waste Disposal Units
Appendix I to Part 257—Maximum Contaminant Levels (MCLs)
Maximum Contaminant Levels (MCLs) Promulgated Under the Safe Drinking Water Act------------------------------------------------------------------------ MCL (mg/ Chemical CAS No. l)------------------------------------------------------------------------Arsenic........................................... 7440-38-2 0.05Barium............................................ 7440-39-3 1.0Benzene........................................... 71-343-2 0.005Cadmium........................................... 7440-43-9 0.01Carbon tetrachloride.............................. 56-23-5 0.005Chromium (hexavalent)............................. 7440-47-3 0.052,4-Dichlorophenoxy acetic acid................... 94-75-7 0.11,4-Dichlorobenzene............................... 106-46-7 0.0751,2-Dichloroethane................................ 107-06-2 0.0051,1-Dichloroethylene.............................. 75-35-4 0.007Endrin............................................ 75-20-8 0.0002Fluoride.......................................... 7 4.0Lindane........................................... 58-89-9 0.004Lead.............................................. 7439-92-1 0.05Mercury........................................... 7439-97-6 0.002Methoxychlor...................................... 72-43-5 0.1Nitrate........................................... .......... 10.0Selenium.......................................... 7782-49-2 0.01Silver............................................ 7440-22-4 0.05Toxaphene......................................... 8001-35-2 0.0051,1,1-Trichloroethane............................. 71-55-6 0.2Trichloroethylene................................. 79-01-6 0.0052,4,5-Trichlorophenoxy acetic acid................ 93-76-5 0.01Vinyl chloride.................................... 75-01-4 0.002------------------------------------------------------------------------