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TITLE 40 - PROTECTION OF ENVIRONMENT
CHAPTER I - ENVIRONMENTAL PROTECTION AGENCY
SUBCHAPTER I - SOLID WASTES
PART 266 - STANDARDS FOR THE MANAGEMENT OF SPECIFIC HAZARDOUS WASTES AND SPECIFIC TYPES OF HAZARDOUS WASTE MANAGEMENT FACILITIES
subpart o - STANDARDS APPLICABLE TO U.S. FILTER RECOVERY SERVICES XL WASTE AND U.S. FILTER RECOVERY SERVICES, INC.
Appendix IV to Part 266 - Reference Air Concentrations*
------------------------------------------------------------------------ RAC (ug/ Constituent CAS No. m\3\) ------------------------------------------------------------------------ Acetaldehyde................................... 75-07-0 10 Acetonitrile................................... 75-05-8 10 Acetophenone................................... 98-86-2 100 Acrolein....................................... 107-02-8 20 Aldicarb....................................... 116-06-3 1 Aluminum Phosphide............................. 20859-73-8 0.3 Allyl Alcohol.................................. 107-18-6 5 Antimony....................................... 7440-36-0 0.3 Barium......................................... 7440-39-3 50 Barium Cyanide................................. 542-62-1 50 Bromomethane................................... 74-83-9 0.8 Calcium Cyanide................................ 592-01-8 30 Carbon Disulfide............................... 75-15-0 200 Chloral........................................ 75-87-6 2 Chlorine (free)................................ ............ 0.4 2-Chloro-1,3-butadiene......................... 126-99-8 3 Chromium III................................... 16065-83-1 1000 Copper Cyanide................................. 544-92-3 5 Cresols........................................ 1319-77-3 50 Cumene......................................... 98-82-8 1 Cyanide (free)................................. 57-12-15 20 Cyanogen....................................... 460-19-5 30 Cyanogen Bromide............................... 506-68-3 80 Di-n-butyl Phthalate........................... 84-74-2 100 o-Dichlorobenzene.............................. 95-50-1 10 p-Dichlorobenzene.............................. 106-46-7 10 Dichlorodifluoromethane........................ 75-71-8 200 2,4-Dichlorophenol............................. 120-83-2 3 Diethyl Phthalate.............................. 84-66-2 800 Dimethoate..................................... 60-51-5 0.8 2,4-Dinitrophenol.............................. 51-28-5 2 Dinoseb........................................ 88-85-7 0.9 Diphenylamine.................................. 122-39-4 20 Endosulfan..................................... 115-29-1 0.05 Endrin......................................... 72-20-8 0.3 Fluorine....................................... 7782-41-4 50 Formic Acid.................................... 64-18-6 2000 Glycidyaldehyde................................ 765-34-4 0.3 Hexachlorocyclopentadiene...................... 77-47-4 5 Hexachlorophene................................ 70-30-4 0.3 Hydrocyanic Acid............................... 74-90-8 20 Hydrogen Chloride.............................. 7647-01-1 7 Hydrogen Sulfide............................... 7783-06-4 3 Isobutyl Alcohol............................... 78-83-1 300 Lead........................................... 7439-92-1 0.09 Maleic Anyhdride............................... 108-31-6 100 Mercury........................................ 7439-97-6 0.3 Methacrylonitrile.............................. 126-98-7 0.1 Methomyl....................................... 16752-77-5 20 Methoxychlor................................... 72-43-5 50 Methyl Chlorocarbonate......................... 79-22-1 1000 Methyl Ethyl Ketone............................ 78-93-3 80 Methyl Parathion............................... 298-00-0 0.3 Nickel Cyanide................................. 557-19-7 20 Nitric Oxide................................... 10102-43-9 100 Nitrobenzene................................... 98-95-3 0.8 Pentachlorobenzene............................. 608-93-5 0.8 Pentachlorophenol.............................. 87-86-5 30 Phenol......................................... 108-95-2 30 M-Phenylenediamine............................. 108-45-2 5 Phenylmercuric Acetate......................... 62-38-4 0.075 Phosphine...................................... 7803-51-2 0.3 Phthalic Anhydride............................. 85-44-9 2000 Potassium Cyanide.............................. 151-50-8 50 Potassium Silver Cyanide....................... 506-61-6 200 Pyridine....................................... 110-86-1 1 Selenious Acid................................. 7783-60-8 3 Selenourea..................................... 630-10-4 5 Silver......................................... 7440-22-4 3 Silver Cyanide................................. 506-64-9 100 Sodium Cyanide................................. 143-33-9 30 Strychnine..................................... 57-24-9 0.3 1,2,4,5-Tetrachlorobenzene..................... 95-94-3 0.3 2,3,4,6-Tetrachlorophenol...................... 58-90-2 30 Tetraethyl Lead................................ 78-00-2 0.0001 Tetrahydrofuran................................ 109-99-9 10 Thallic Oxide.................................. 1314-32-5 0.3 Thallium....................................... 7440-28-0 0.5 Thallium (I) Acetate........................... 563-68-8 0.5 Thallium (I) Carbonate......................... 6533-73-9 0.3 Thallium (I) Chloride.......................... 7791-12-0 0.3 Thallium (I) Nitrate........................... 10102-45-1 0.5 Thallium Selenite.............................. 12039-52-0 0.5 Thallium (I) Sulfate........................... 7446-18-6 0.075 Thiram......................................... 137-26-8 5 Toluene........................................ 108-88-3 300 1,2,4-Trichlorobenzene......................... 120-82-1 20 Trichloromonofluoromethane..................... 75-69-4 300 2.4.5-Trichlorophenol.......................... 95-95-4 100 Vanadium Pentoxide............................. 1314-62-1 20 Warfarin....................................... 81-81-2 0.3 Xylenes........................................ 1330-20-7 80 Zinc Cyanide................................... 557-21-1 50 Zinc Phosphide................................. 1314-84-7 0.3 ------------------------------------------------------------------------ *The RAC for other appendix VIII part 261 constituents not listed herein or in appendix V of this part is 0.1 ug/m\3\.
[56 FR 7232, Feb. 21, 1991; 56 FR 32691, July 17, 1991]
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