Utah Admin. Code R315-266-1003
Table 4ConstituentCAS No.RAC (ug/m3)Acetaldehyde75-07-010Acetonitrile75-05-810Acetophenone98-86-2100Acrolein107-02-820Aldicarb116-06-31Aluminum Phosphide20859-73-80.3Allyl Alcohol107-18-65Antimony7440-36-00.3Barium7440-39-350Barium Cyanide542-62-150Bromomethane74-83-90.8Calcium Cyanide592-01-830Carbon Disulfide75-15-0200Chloral75-87-62Chlorine (free)0.42-Chloro-1,3-butadiene126-99-83Chromium III16065-83-11,000Copper Cyanide544-92-35Cresols1319-77-350Cumene98-82-81Cyanide (free)57-12-1520Cyanogen460-19-530Cyanogen Bromide506-68-380Di-n-butyl Phthalate84-74-2100o-Dichlorobenzene95-50-110p-Dichlorobenzene106-46-710Dichlorodifluoromethane75-71-82002,4-Dichlorophenol120-83-23Diethyl Phthalate84-66-2800Dimethoate60-51-50.82,4-Dinitrophenol51-28-52Dinoseb88-85-70.9Diphenylamine122-39-420Endosulfan115-29-10.05Endrin72-20-80.3Fluorine7782-41-450Formic Acid64-18-62000Glycidyaldehyde765-34-40.3Hexachlorocyclopentadiene77-47-45Hexachlorophene70-30-40.3Hydrocyanic Acid74-90-820Hydrogen Chloride7647-01-17Hydrogen Sulfide7783-06-43Isobutyl Alcohol78-83-1300Lead7439-92-10.09Maleic Anhydride108-31-6100Mercury7439-97-60.3Methacrylonitrile126-98-70.1Methomyl16752-77-520Methoxychlor72-43-550Methyl Chlorocarbonate79-22-11,000Methyl Ethyl Ketone78-93-380Methyl Parathion298-00-00.3Nickel Cyanide557-19-720Nitric Oxide10102-43-9100Nitrobenzene98-95-30.8
Pentachlorobenzene608-93-50.8Pentachlorophenol87-86-530Phenol108-95-230M-Phenylenediamine108-45-25Phenylmercuric Acetate62-38-40.075Phosphine7803-51-20.3Phthalic Anhydride85-44-92000Potassium Cyanide151-50-850Potassium Silver Cyanide506-61-6200Pyridine110-86-11Selenious Acid7783-60-83Selenourea630-10-45Silver7440-22-43Silver Cyanide506-64-9100Sodium Cyanide143-33-930Strychnine57-24-90.31,2,4,5-Tetrachlorobenzene95-94-30.32,3,4,6-Tetrachlorophenol58-90-230Tetraethyl Lead78-00-20.0001Tetrahydrofuran109-99-910Thallic Oxide1314-32-50.3Thallium7440-28-00.5Thallium (I) Acetate563-68-80.5Thallium (I) Carbonate6533-73-90.3Thallium (I) Chloride7791-12-00.3Thallium (I) Nitrate10102-45-10.5Thallium Selenite12039-52-00.5Thallium (I) Sulfate7446-18-60.075Thiram137-26-85Toluene108-88-33001,2,4-Trichlorobenzene120-82-120Trichloromonofluoromethane75-69-43002,4,5-Trichlorophenol95-95-4100Vanadium Pentoxide1314-62-120Warfarin81-81-20.3Xylenes1330-20-780Zinc Cyanide557-21-150Zinc Phosphide1314-84-70.3The RAC for other appendix VIII Rule R315-261 constituents not listed in Appendix IV, Table 4 or in appendix V of Rule R315-266 is 0.1 ug/m3.
KEY: hazardous waste
Date of Last Change: November 17, 2025
Notice of Continuation: December 11, 2025
Authorizing, and Implemented or Interpreted Law: 19-6-105; 19-6-106