List of Chemical Requiring Approval for Use

Minimum Amount (lbs. Minimum unless otherwise CHEMICAL CAS# Amount (lbs) noted) Hazard RQ (lbs) 1,2,3,4-Diepoxybutane [2,2' BIOXIRANE] 1464-53-5 10 Very Toxic highly flammable, very toxic, (E)-CROTONALDEHYDE [(E)-2-BUTENAL] 123-73-9 10 dangerous for the environment 1-(2-Chloroethyl)-3-(4-methylcyclohexyl)-1-nitrosourea toxic, may cause cancer, (MeCCNU) 13909-09-6 5 heritable genetic damage 1-(2-Chloroethyl)-3-cyclohexyl-1-nitrosourea (CCNU) 13010-47-4 5 toxic, may cause cancer highly flammable, toxic, 1,1-Dimethylhydrazine (UDMH) 57-14-7 10 dangerous for the environment toxic, may cause cancer, may 1,2,3-Trichloropropane 96-18-4 5 impair fertility RQ=1 lb.; toxic, may cause cancer, may cause heritable genetic damage, may impair 1,2-Dibromo-3-chloropropane 96-12-8 1 fertility RQ=1lb.; toxic, may cause cancer, harmful for the 1,2-Dibromoethane 106-93-4 1 environment highly flammable, toxic, may 1,2-Dichloroethane 107-06-2 5 cause cancer 1,2-Diethylhydrazine 1615-80-1 5 IARC 2B possible carcinogen RQ=1lb.; toxic, may cause cancer, harmful for the 1,2-Dimethylhydrazine 540-73-8 1 environment 1,2-Epoxybutane 106-88-7 45 highly flammable, harmful 1,3-Bis(2-chloroethylthio)-n-propane 63905-10-2 CUM 100g 10 grams CFATS chemical of interest Extremely Flammable, toxic, may cause cancer, may cause 1,3-Butadiene 106-99-0 5 heritable genetic damage toxic, hazardous for the 1,3-Dichloropropene 542-75-6 5 environment

1 of 40 List of Chemical Requiring Approval for Use

Minimum Amount (lbs. Minimum unless otherwise CHEMICAL CAS# Amount (lbs) noted) Hazard RQ (lbs) 1,3-Propane Sultone 1120-71-4 5 toxic, may cause cancer 1,4-Bis(2-chloroethylthio)-n-butane 142868-93-7 CUM 100g 10 grams CFATS chemical of interest 1,4-Butanediol Dimethylsulfonate 55-98-1 5 very toxic, may cause cancer harmful, dangerous for the 1,4-Dichlorobenzene (p-Dichlorobenzene) 106-46-7 environment Forms Explosive Peroxides when 1,4-Dioxane 123-91-1 1 dry, highly flammable 1,5-Bis(2-chloroethylthio)-n-pentane 142868-94-8 CUM 100g 10 grams CFATS chemical of interest IARC 2B possible human 1,8-Dinitropyrene 42397-65-9 5 carcinogen IARC 2B possible human 1-[(5-Nitrofurfurylidene)amino]-2-imidazolidinone 555-84-0 5 carcinogen 100 ppm 1-Amino-2-methylanthraquinone 82-28-0 5 9th Report on carcinogens very toxic, harmful for the 1-CHLORO-2,4-DINITROBENZENE 99-65-0 10 environment flammable, toxic, may cause 1-Chloro-2-methylpropene 513-37-1 5 cancer highly flammable, harmful, 1H-Tetrazole 288-94-8 400 40 CFATS chemical of interest OSHA Carcinogen, harmful, 1-Naphthylamine 134-32-7 1 dangerous for the environment harmful; IARC 2B possible 1-Nitropyrene 5522-43-0 5 human carcinogen IARC 2B possible human 2-(2-Formylhydrazino)-4-(5-nito-2-furyl)thiazole 3570-75-0 5 carcinogen 2,2-DINITROPROPYL ACRYLATE 17977-09-2 1 Explosive RQ=1lb.; toxic, 11th Report on 2,3,7,8-Tetrachlorodibenzo-p-dioxin (TCDD) 1746-01-6 1 Carcinogens 2,4,6-TETRANITRO-N-METHYLANILINE 479-45-8 1 Explosive

2 of 40 List of Chemical Requiring Approval for Use

Minimum Amount (lbs. Minimum unless otherwise CHEMICAL CAS# Amount (lbs) noted) Hazard RQ (lbs) harmful, dangerous for the 2,4,6-Trichlorophenol 88-06-2 environment toxic, may cause cancer, harmful 2,4-Diaminoanisole 615-05-4 5 to the environment 2,4-Diaminoanisole Sulfate 39156-41-7 5 11th Report on Carcinogens toxic, may cause cancer, 2,4-Diaminotoluene 95-80-7 5 dangerous to the environment highly flammable, harmful, 2,4-DINITROPHENYLHYDRAZINE 119-26-6 1 explosive when dry toxic, may cause cancer, 2,4-Dinitrotoluene 121-14-2 5 dangerous to the environment harmful, dangerous for the 2,6-Dimethylaniline (2,6-Xylidine) 87-62-7 environment 2,6-Dinitrotoluene 606-20-2 5 toxic, may cause cancer RQ=1lb; toxic, may cause 2-Acetylaminofluorene 53-96-3 1 cancer IARC 2B possible human 2-Amino-5-(5-nitro-2-furyl)-1,3,4-thiadiazole 712-68-5 5 carcinogen 2-Aminoanthraquinone 117-79-3 5 suspect carcinogen toxic, may cause cancer, 2-Aminonaphthalene 91-59-8 5 dangerous to the environment 2-Chloroethylchloro-methylsulfide 2625-76-5 CUM 100g 10 grams CFATS chemical of interest IARC 2B possible human 2-Methyl-1-nitroanthraquinone 129-15-7 5 carcinogen highly flammable, very toxic, may cause cancerr, dangerous for 2-Methylaziridine 75-55-8 5 the environment toxic, may cause cancer, 2-Naphthylamine 91-59-8 5 dangerous to the environment

3 of 40 List of Chemical Requiring Approval for Use

Minimum Amount (lbs. Minimum unless otherwise CHEMICAL CAS# Amount (lbs) noted) Hazard RQ (lbs) harmful, dangerous for the environment, IARC 2B possible 2-Nitofluorene 607-57-8 5 human carcinogen 2-Nitropropane 79-46-9 5 toxic, may cause cancer IARC 2B possible human 3-(N-Nitrosomethylamino)propionitrile 60153-49-3 5 carcinogen IARC 2B possible human 3,3'-Dichloro-4,4'-diaminodiphenyl ether 28434-86-8 5 carcinogen RQ=1lb; toxic, may cause cancer, dangerous to the 3,3-Dichlorobenzidine 91-94-1 1 environment toxic, may cause cancer, 3,3-Dichlorobenzidine Dihydrochloride 612-83-9 5 dangerous to the environment 3,3'-Dimethoxybenzidine 119-90-4 5 toxic, may cause cancer toxic, may cause cancer, 3,3'-Dimethylbenzidine 119-93-7 5 dangerous to the environment IARC 2B possible human 3,9-Dinitrofluoranthene 22506-53-2 1 carcinogen Oxidizer, irritant, OSHA T-BUTYL PERBENZOATE 614-45-9 1910.119 high haz chem highly flammable, corrosive, 3-Chloro-2-methylpropene 563-47-3 10 dangerous for the environment 3-Methylcholanthrene (3-MC) 56-49-5 5 toxic, may cause cancer toxic, highly flammable, OSHA 3-PROMOPROPYNE (PROPARGYL BROMIDE) 106-96-7 10 1910.119 high haz chem harmful, 11th report on 4-(N-Nitrosomethylamino)-1-(3-pyridyl)-1-butanone 64091-91-4 5 carcinogens toxic, may cause cancer, 4,4-Methylene-bis(2-chloraniline) 101-14-4 5 dangerous to the environment

4 of 40 List of Chemical Requiring Approval for Use

Minimum Amount (lbs. Minimum unless otherwise CHEMICAL CAS# Amount (lbs) noted) Hazard RQ (lbs) toxic, may cause cancer, 4,4'-Methylene-bis(2-methylaniline) 838-88-0 5 dangerous to the environment toxic, may cause cancer, 4,4-Methylenebis(N,N-dimethylbenzenamine) 101-61-1 5 dangerous to the environment toxic, may cause cancer, 4,4-Methylenedianiline 101-77-9 5 dangerous to the environment 4,4-Methylenedianiline Dihydrochloride 13552-44-8 ? Cal. Prop 65 carcinogen toxic, may cause cancer, 4,4-Oxydianiline 101-80-4 5 dangerous to the environment toxic, may cause cancer, 4,4'-Thiodianiline 139-65-1 5 dangerous to the environment RQ=1lb; toxic, may cause 4-Aminobiphenyl (4-Aminodiphenyl) 92-67-1 1 cancer 4-Chloro-o-phenylenediamine 95-83-0 1 harmful, IARC 2B carcinogen toxic; OSHA potential human 4-Dimethylaminoazobenzene 60-11-7 5 carcinogen OSHA potential human 4-Nitrobiphenyl 92-93-3 5 carcinogen 4-Nitropyrene 57835-92-4 5 IARC 2B carcinogen 4-Vinyl-1-cyclohexene Diepoxide 106-87-6 5 toxic, IARC 2B carcinogen highly flammable, harmful, 4-Vinylcyclohexene 100-40-3 5 IARC 2B carcinogen 5-(Morpholinomethyl)-3-[(5-nitrofurfurylidene)amino]-2- oxazolidinone 3795-88-8 5 IARC 2B carcinogen 5-Methylchrysene 3697-24-3 5 IARC 2B carcinogen toxic, may cause cancer, IARC 5-Nitroacenaphthene 602-87-9 5 2B carcinogen 5-Nitrobenzotriazol 2338-12-7 400 40 CFATS chemical of interest toxic, may cause cancer, IARC 6-Nitrochrysene 7496-02-8 5 2B carcinogen

5 of 40 List of Chemical Requiring Approval for Use

Minimum Amount (lbs. Minimum unless otherwise CHEMICAL CAS# Amount (lbs) noted) Hazard RQ (lbs) RQ=1lb; toxic, may cause 7,12-Dimethylbenz (a) anthracene 57-97-6 1 cancer 7H-Dibenzo[c,g]carbazole 194-59-2 5 IARC 2B carcinogen A-a-C(2-Amino-9H-pyridol[2,3-b]indole) 26148-68-5 5 IARC 2B carcinogen ACETAL 105-57-7 45 highly flammable, irritant extremely flammable, harmful, ACETALDEHYDE 75-07-0 45 CFATS chemical of interest Acetamide 60-35-5 5 harmful, IARC 2B carcinogen very toxic, dangerous for the ACETONE CYANOHYDRIN 75-86-5 10 environment ACETONE THIOSEMICARBAZIDE 1752-30-3 5 reproductive toxin ACETYLENE 74-86-2 45 CFATS chemical of interest ACETYLIDES OF HEAVY METALS zzz 1 ATF list of explosive materials RQ=1lb; highly flammable, very toxic, dangerous for the environment, CFATS chemical [2-PROPENAL] 107-02-8 1 of interest toxic, may cause cancer, IARC ACRYLAMIDE 79-06-1 5 2B carcinogen highly flammable, toxic, may cause cancer, dangerous for the environment, IARC 2B carcinogen, CFATS chemical of ACRYLONITRILE [2-PROPENENITRILE] 107-13-1 5 interest highly flammable, very toxic, ACRYLYL [2-PROPENOYL CHLORIDE] 814-68-6 10 CFATS chemical of interest Adriamycin® (aka doxorubicin hydrochloride) 25316-40-9 5 toxic, may cause cancer AF-2([2-(2-furyl)-3-(5-nitro-2-furyl)] 3688-53-7 5 IARC 2B carcinogen toxic, dangerous for the a-Hexachlorocyclohexane 319-84-6 10 environment

6 of 40 List of Chemical Requiring Approval for Use

Minimum Amount (lbs. Minimum unless otherwise CHEMICAL CAS# Amount (lbs) noted) Hazard RQ (lbs) RQ=1lb; very toxic, dangerous 116-06-3 1 for the environment RQ=1lb; toxic, dangerous for 309-00-2 1 the environment ALKYLLITHIUMS CLASS toxic, dangerous for the environment, CFATS chemical ALLYL [2-PROPEN-1-OL] 107-18-6 10 of interest very flammable, toxic, dangerous for the environment, CFATS ALLYLAMINE [2-PROPEN-1-AMINE] 107-11-9 10 chemical of interest Aluminum (powder) 7429-90-5 100 10 CFATS chemical of interest corrosive, reacts violently with ALUMINUM CHLORIDE ANHYDROUS 7446-70-0 1 water ALUMINUM OPHORITE zzz 1 ATF list of explosive materials ALUMINUM PHOSPHIDE 20859-73-8 CFATS chemical of interest ALUMINUM TRICHLORIDE zzz 1 ATF list of explosive materials AMMONAL zzz 1 ?? Explosive ?? AMATEX zzz 1 ATF list of explosive materials AMATOL zzz 1 ATF list of explosive materials AMINOPTERIN N/A 10 Very Toxic AMITON OXALATE 3734-97-2 100 lbs (RQ) 10 Poison Amitrole 61-82-5 5 Carcinogen; Teratogen AMMONAL zzz 1 Explosive AMMONIA (ANHYDROUS) - CONCENTRATION 20% OR GREATER 7664-41-7 100 lbs (RQ) 10 Toxic Gas/Inhalation Hazard AMMONIUM NITRATE 6484-52-2 1 Explosive Ammonium 7790-98-9 400 1 Explosive

7 of 40 List of Chemical Requiring Approval for Use

Minimum Amount (lbs. Minimum unless otherwise CHEMICAL CAS# Amount (lbs) noted) Hazard RQ (lbs) Explosive if dry or wetted with <10% water, by mass; Flammable solid if wetted with > AMMONIUM PICRATE 131-74-8 1 10% water, by mass AMMONIUM SALT LATTICE 2307-55-3 1 Explosive ANILINE 62-53-3 5 Mutagen Antimony Trioxide 1309-64-4 5 Carcinogen ANTIMYCIN A 1397-94-0 10 Toxic ANTU [1-NAPHTHALENYLTHIOUREA] 86-88-4 10 Very Toxic Aramite® 140-57-8 5 Carcinogen Aroclor® 1254 (under Polychlorinated Biphenyls) 11097-69-1 1 pound 1 Carcinogen Aroclor® 1260 (under Polychlorinated Biphenyls) 11096-82-5 1 pound 1 Carcinogen ARSENIC PENTOXIDE 1303-28-2 5 Carcinogen Arsenic trichloride 7784-34-1 2.2 0.2 Toxic; Inhalation Hazard ARSENOUS OXIDE [ARSENIC TRIOXIDE] 1327-53-3 5 Carcinogen ARSENOUS TRICHLORIDE 7784-34-1 10 Toxic 7784-42-1 15 2 Toxic Gas/Inhalation Hazard Spontaneously Combustible in ARYL LITHIUMS CLASS 1 Air Asbestos and Asbestos compounds 1332-21-4 10 lbs 5 Carcinogen Auramine 492-80-8 5 Carcinogen Aurothio-d-glucopyranose (Aurothioglucose) 12192-57-3 Harmful Azaserine 115-05-6 5 Carcinogen Azathioprine 446-86-6 5 Carcinogen AZIDES OF HEAVY METALS CLASS 1 pound 1 Explosive AZINPHOS-ETHYL 2642-71-9 10 Poison

AZINPHOS-METHYL [GUTHION] 86-50-0 10 Poison Severe marine pollutant

8 of 40 List of Chemical Requiring Approval for Use

Minimum Amount (lbs. Minimum unless otherwise CHEMICAL CAS# Amount (lbs) noted) Hazard RQ (lbs)

Highly flammable;carcinogen Aziridine (ethyleneimine) 151-56-4 5 Severe marine pollutant BARATOL (barium nitrate and TNT) zzz 1 Explosive Explosive if dry or wetted with <50% water, by mass; Flammable solid if wetted with Barium azide 18810-58-7 400 1 >50% water, by mass Barium Chromate 10294-40-3 10 Toxic b-Butyrolactone 3068-88-0 10 Toxic BENZENE, 1-(CHLOROMETHYL)-4-NITRO- 100-14-1 10 Toxic BENZENEARSONIC 98-05-5 10 Toxic Benzidine 92-87-5 5 Carcinogen BENZIMIDAZOLE 3615-21-2 Harmful Benzo (a) pyrene (BAP) 65996-93-2 5 Carcinogen Benzo[a]pyrene 50-32-8 5 Carcinogen Benzofuran 271-89-6 10 Toxic BENZOTRICHLORIDE [BENZOIC TRICHLORIDE] 98-07-7 5 Carcinogen; Corrosive BENZOYL PEROXIDE 94-36-0 1 Shock Sensitive Explosive Benzyl Violet 4B 1694-09-3 10 Toxic Beryllium Aluminum Alloy 12770-50-2 5 Carcinogen Beryllium Chloride 7787-47-5 5 Carcinogen Beryllium Fluoride 7787-49-7 5 Carcinogen Beryllium Hydroxide 13327-32-7 5 Carcinogen; Corrosive Beryllium Oxide 1304-56-9 5 Carcinogen Beryllium Phosphate 13598-15-7 5 Carcinogen Beryllium Sulfate Tetrahydrate 7787-56-6 5 Carcinogen Beryllium Zinc Silicate 39413-47-3 5 Carcinogen BETA-PROPIOLACTONE 57-57-8 10 Very Toxic b-Hexachlorocyclohexane 319-85-7 10 Toxic

9 of 40 List of Chemical Requiring Approval for Use

Minimum Amount (lbs. Minimum unless otherwise CHEMICAL CAS# Amount (lbs) noted) Hazard RQ (lbs) BICYCLO[2.2.1] HEPTANE-2-CARBONITRILE 15271-41-7 10 Toxic Carcinogen; Highly toxic; Bis(2-chloroethyl)sulfide () 505-60-2 5 Corrosive Gas Carcinogen; Highly toxic; Bis(2-chloroethylthio)methane 63869-13-6 CUM 100g 10 grams Corrosive Gas Carcinogen; Highly toxic; Bis(2-chloroethylthiomethyl)ether 63918-90-1 CUM 100g 10 grams Corrosive Gas Bis(chloroethyl) Nitrosourea 154-93-8 5 Carcinogen Bis(chloromethyl) Ether (BCME) 542-88-1 5 Carcinogen; Flammable BIS(CHLOROMETHYL) KETONE 534-07-6 10 Toxic Bis(dimethylamino)benzophenone (Michler's Ketone) 90-94-8 10 Toxic; Flammable BIS-TRINITROETHYL CARBONATE (triphosgene) 32315-10-9 10 Corrosive; Toxic BIS-TRINITROETHYLNITRAMINE zzz 1 Explosive BITOSCANATE 4044-65-9 10 Toxic Bleomycins 11056-06-7 10 Toxic Boron tribromide 10294-33-4 45 5 Corrosive; Inhalation Hazard Boron trichloride 10294-34-5 45 5 Toxic Gas/ Inhalation Hazard

BORON TRIFLUORIDE [TRIFLUOROBORANE] 7637-07-2 7637-07-2 10 Toxic Gas/ Inhalation Hazard

BORON TRIFLUORIDE COMPOUND W/METHYL ETHER 353-42-4 10 Corrosive; Flammable; Toxic b-Propiolactone 57-57-8 5 Carcinogen; Corrosive BROMADIOLONE 28772-56-7 10 Very Toxic Corrosive; Very Toxic; BROMINE 7726-95-6 10 lbs. 10 Inhalation Hazard Bromine chloride 13863-41-7 45 5 Toxic Gas/Inhalation Hazard Bromine trifluoride 7787-71-5 45 5 Oxidizer Bromodichloromethane 75-27-4 10 Toxic Highly Flammable Gas; BUTADIENE 106-99-0 5 Carcinogen

10 of 40 List of Chemical Requiring Approval for Use

Minimum Amount (lbs. Minimum unless otherwise CHEMICAL CAS# Amount (lbs) noted) Hazard RQ (lbs) BUTYL TETRYL zzz 1 Explosive (Shock Sensitive) Butylated Hydroxyanisole (BHA) 25013-16-5 Harmful Highly Flammable and Reactive (Spontaneously Combustible in BUTYLLITHIUMS CLASS 10 lbs 1 Air) C.I. Acid Red 114 6459-94-5 Harmful C.I. Basic Red 9 Monohydrochloride 569-61-9 10 Toxic C.I. Direct Blue 15 2429-74-5 Harmful C.I. Direct Brown 95 (Benzidine based dye) 16071-86-6 5 Carcinogen

CADMIUM 22750-53-4 10 Toxic Severe marine pollutant Carcinogen Toxic Severe 1306-19-0 5 marine pollutant Carcinogen Toxic Severe CADMIUM STEARATE 2223-93-0 5 marine pollutan t Caffeic Acid 331-39-5 Harmful CALCIUM ARSENATE 7778-44-1 5 Carcinogen CALCIUM CARBIDE 75-20-7 1 Dangerous When Wet CALCIUM HYDRIDE 7789-78-8 1 Dangerous When Wet CALCIUM NITRATE 10124-37-5 Oxidizer Toxic Toxic Severe marine CAMPHECHLOR 8001-35-2 10 pollutant CANTHARIDIN 56-25-7 10 Very Toxic Captafol 6/1/2425 5 Carcinogen CARBACHOL CHLORIDE 51-83-2 10 Toxic CARBAMIC ACID 26419-73-8 Harmful 1563-66-2 10 Very Toxic CARBON DISULFIDE 75-15-0 10 lbs 1 Flammable; Toxic 630-08-0 10 Toxic Gas; Inhalation Hazard 56-23-5 5 Carcinogen

11 of 40 List of Chemical Requiring Approval for Use

Minimum Amount (lbs. Minimum unless otherwise CHEMICAL CAS# Amount (lbs) noted) Hazard RQ (lbs) CARBONIC ACID 26419-73-8 Harmful CARBONYL CHLORIDE () 75-44-5 10 Toxic Gas/Inhalation Hazard Carbonyl fluoride 353-50-4 45 5 Toxic Gas/Inhalation Hazard Carbonyl sulfide 463-58-1 500 10 Toxic Gas/Inhalation Hazard Catechol 120-80-9 10 Toxic Chlorambucil 305-03-3 10 Toxic Chloramphenicol 56-75-7 10 Toxic CHLORATES CLASS Oxidizer 57-74-9 100 lbs. 10 Carcinogen

Highly Flammable, Toxic Toxic Chlordane 57-74-9 10 Severe marine pollutant Toxic, Dangerous for the 143-50-0 10 Environment Chlorendic Acid 115-28-6 Risk of serious damage to eyes Toxic, Dangerous for the 7782-50-5 500 10 Environment Corrosive, Highly Reactive, 13637-63-3 15 1 Dangerous Explosion Hazard Highly Reactive, Dangerous 7790-91-2 45 1 Explosion Hazard CHLORMEQUAT CHLORIDE 999-81-5 Harmful Toxic, Dangerous for the CHLOROACETIC ACID 79-11-8 10 Environment CHLOROBUTADIENE 627-22-5 CHLOROFORM 67-66-3 100 lbs. 5 Possible Carcinogen CHLOROMETHYL ETHER 542-88-1 10 Very Toxic CHLOROMETHYL METHYL ETHER (AND RELATED COMPOUNDS) 107-30-2 10 Flammable, Toxic

12 of 40 List of Chemical Requiring Approval for Use

Minimum Amount (lbs. Minimum unless otherwise CHEMICAL CAS# Amount (lbs) noted) Hazard RQ (lbs) Very Toxic, Dangerous for the CHLOROPHACINONE 3691-35-8 10 Environment Chloroprene 126-99-8 10 Flammable, Toxic Schedule 1: Military Agents with No or Low Commercial Use - 1445-76-7 CUM 100g 10 grams precursor to gas Schedule 1: Military Agents with No or Low Commercial Use - 7040-57-5 CUM 100g 10 grams precursor Very Toxic, Dangerous for the Chlorothalonil 1897-45-6 10 Environment CHLOROTRIFLUOROETHYLENE 79-38-9 45 Extremely Flammable CHLOROXURON 1982-47-4 Dangerous for the Environment Chlorozotocin 54749-90-5 5 Suspect Carcinogen CHROMIUM TRIOXIDE AND OTHER CHROMIUM (VI) Very Toxic, Dangerous for the SALTS 10025-73-7 10 Environment Cisplatin 15663-27-1 10 Toxic Citrus Red No.2 6358-53-8 5 Suspect Carcinogen COBALT CARBONYL 10210-68-1 45 Highly Flammable COLCHICINE 64-86-8 10 Very Toxic Heat Sensitive, Shock Sensitive, COPPER ACETYLIDE 12540-13-5 1 Highly Explosive Very Toxic, Dangerous for the 56-72-4 10 Environment COUMATETRALYL 5836-29-3 10 Very Toxic CRESOL, O- 95-48-7 10 Toxic 535-89-7 10 Very Toxic Highly Flammable, Very Toxic, CROTONALDEHYDE [2-BUTENAL] 4170-30-3 10 Dangerous for the Environment CUMENE 98-82-8 Dangerous for the Environment

13 of 40 List of Chemical Requiring Approval for Use

Minimum Amount (lbs. Minimum unless otherwise CHEMICAL CAS# Amount (lbs) noted) Hazard RQ (lbs) Oxidizer, Toxic, Dangerous for CUMENE HYDROPEROXIDE 80-15-9 10 the Environment Cupferron 135-20-6 10 Toxic Air Reactive, Water Reactive, CUPROUS NITRIDE 1308-80-1 1 Highly Flammable Highly Flammable, Toxic, 460-19-5 45 10 Dangerous for the Environment Very Toxic, Dangerous for the 506-68-3 10 Environment 506-77-4 15 2 Very Toxic Toxic, reacts violently with oxidizers, reacts with strong to release , Dangerous for the CYANOGEN IODIDE 506-78-5 1 Environment CYANURIC FLUORIDE 675-14-9 10 Very Toxic, Corrosive CYANURIC TRIAZIDE 5637-83-2 1 Shock Sensitive Cycasin 14901-08-7 5 Carcinogen Very Toxic, Dangerous for the CYCLOHEXIMIDE 66-81-9 10 Environment CYCLOHEXYLAMINE [CYCLOHEXANAMINE] 108-91-8 Corrosive CYCLOPENTENE 287-92-3 45 Highly Flammable Cyclophosphamide 50-18-0 Harmful CYCLOTETRAMETHYLENE TETRANITRAMINE 2691-41-0 1 Explosive CYCLOTRIMETHYLENE TETRANITRAMINE zzz 1 Explosive CYCLOTRIMETHYLENE TRINITRAMINE 121-82-4 1 Explosive Danthron 117-10-2 Harmful Daunomycin 20830-81-3 5 Suspect Carcinogen Toxic, Toxic Severe marine DDT (Dichlorodiphenyltrichloroethane) 50-29-3 10 pollutant

14 of 40 List of Chemical Requiring Approval for Use

Minimum Amount (lbs. Minimum unless otherwise CHEMICAL CAS# Amount (lbs) noted) Hazard RQ (lbs) DECABORANE (14) 17702-41-9 10 Highly Flammable, Very Toxic Decabromobiphenyl 13654-09-6 5 Suspect Carcinogen Di(2-ethylhexyl) Phthalate 117-81-7 10 Toxic DIACETYL PEROXIDE 110-22-5 1 Explosive Highly Flammable, Readily forms explosive mixtures with DIACETYLENE 460-12-8 1 air, Peroxide former Very Toxic, Toxic Severe DIALIFOS 10311-84-9 10 marine pollutant DIAMINOTRINITROBENZENE zzz 1 Explosive DIAMINOTRINITROMETHYLENE TETRANITRAMINE zzz 1 Explosive Diazodinitrophenol 87-31-0 400 1 Explosive Carcinogen, Highly Flammable, DIAZOMETHANE 334-88-3 5 Reactive, Explosive Dibenz[a,h]acridine 226-36-8 5 Carcinogen Dibenz[a,h]anthracene 53-70-3 5 Carcinogen Dibenz[a,j]acridine 224-42-0 5 Carcinogen Dibenzo[a,e]pyrene 192-65-4 5 Carcinogen Dibenzo[a,h]pyrene 189-64-0 5 Carcinogen Dibenzo[a,i]pyrene 189-55-9 5 Carcinogen Dibenzo[a,l]pyrene 191-30-0 5 Carcinogen Diborane 19287-45-7 15 10 Extremely Flammable, Toxic Dicarbazine 4342-03-4 10 Toxic DICHLOROMETHANE 75-09-2 5 Suspect Carcinogen Dichlorosilane 4109-96-0 45 10 Extremely Flammable, Toxic Very Toxic, Toxic Severe 62-73-7 10 marine pollutant Dipicrylamine also known as 2,2',4,4',6,6'- Hexanitrodiphenylamine 131-73-7 1 Explosive

15 of 40 List of Chemical Requiring Approval for Use

Minimum Amount (lbs. Minimum unless otherwise CHEMICAL CAS# Amount (lbs) noted) Hazard RQ (lbs) Highly Flammable, Dangerous DICYCLOPENTADIENE 77-73-6 1 for the Environment 60-29-7 1 Extremely Flammable Diethyl methylphosphonite 15715-41-0 2.2 0.2 Precursor Diethyl Sulfate 64-67-5 10 Toxic Diethyleneglycol dinitrate 693-21-0 400 1 Explosive DIETHYLNITROSAMINE (AND RELATED NITROSAMINES) CLASS 5 Suspect Carcinogen Toxic, Dangerous for the Diethylstilbestrol 56-53-1 10 Environment DIGITOXIN 71-63-6 10 Toxic Diglycidyl Resorcinol Ether 101-90-6 Harmful DIGOXIN 20830-75-5 10 Toxic Dihydrosafrole 94-58-6 5 Suspect Carcinogen DIISOPROPYL PEROXYHYDROCARBONATE zzz 1 Reactive Diisopropyl Sulfate 2973-10-6 5 Suspect Carcinogen

DIMETHOATE 60-51-5 Toxic Severe marine pollutant DIMETHYL FORMAMIDE 68-12-2 10 Toxic DIMETHYL SULFATE 77-78-1 10 Very Toxic Dimethylcarbamal Chloride 79-44-7 10 Toxic DIMETHYLDICHLOROSILANE 75-78-5 45 Highly Flammable DIMETHYL-P-PHENYLENEDIAMINE 99-98-9 10 Toxic Toxic, Dangerous for the 664-64-4 10 Environment Dingu 55510-04-8 400 1 Explosive DINITORESORCINOL zzz 1 Explosive, Shock Sensitive Very Toxic, Dangerous for the DINITROCRESOL [4,6-DINITRO-O-CRESOL] 534-52-1 10 Environment DINITROETHYLENEUREA zzz 1 Explosive, Shock Sensitive

16 of 40 List of Chemical Requiring Approval for Use

Minimum Amount (lbs. Minimum unless otherwise CHEMICAL CAS# Amount (lbs) noted) Hazard RQ (lbs) 10544-72-6 15 2 Toxic DINITROGLYCERINE zzz 1 Explosive, Shock Sensitive Dinitrophenol 25550-58-7 400 1 Explosive DINITROPHENOXY STARCH zzz 1 Explosive Dinitroresorcinol 519-44-8 400 1 Explosive DINITROTOLUENE 25321-14-6 1 Explosive Toxic, Dangerous for the DINOSEB 88-85-7 10 Environment 298-04-4 RQ 1 lb 1 toxic, corrosive DITHIAZANINE IODIDE 514-73-8 5 Possible Carcinogen DITHIOBIURET 541-53-7 RQ 100 lb 10 toxic 0.1 ppm DIVINYL ACETYLENE zzz 1 peroxide former Doxorubicin hydrochloride (See Adriamycin®) 25316-40-9 5 carcinogen EDNATOL zzz 1 explosive EMETINE, DIHYDROCHLORIDE 316-42-7 10 toxic

ENDOSULFAN 115-29-7 RQ 1 lb 1 toxic 2778-04-3 4/3/2778 RQ 500 lb 25 toxic 72-20-8 RQ 1 lb 1 toxic EPICHLOROHYDRIN [(CHLOROMETHYL)OXIRANE] 106-89-8 RQ 100 lb 10 toxic, carcinogen, flammable Toxic, Toxic Severe marine EPN 2104-64-5 RQ 100 lb 10 pollutant ERGOCALCIFEROL 50-14-6 RQ 1000 lb 10 toxic ERGOTAMINE TARTRATE 379-79-3 RQ 500 lb Erionite 66733-21-9 5 carcinogen ERYTHRITOL 149-32-6 Not hazardous

ERYTHRITOL TETRANITRATE 7297-25-8 1 explosive ETHIDIUM BROMIDE zzz 10 toxic

17 of 40 List of Chemical Requiring Approval for Use

Minimum Amount (lbs. Minimum unless otherwise CHEMICAL CAS# Amount (lbs) noted) Hazard RQ (lbs) ETHYL ACETATE 141-78-6 5 flammable flammable, carcinogen, marine Ethyl Acrylate 140-88-5 5 polutant Ethyl 51-79-6 5 carcinogen Ethyl Methanesulfonate 62-50-0 5 carcinogen ETHYL METHYL KETONE PEROXIDE 70299-48-8 RQ 10 lb 1 organic peroxide ETHYL NITRITE 109-95-5 10 flammable, toxic Ethyl phosphonyl difluoride 753-98-0 CUM 100g 10 grams precursor ETHYL-4,4-DINITROPENTANOATE 1 Explosive Ethyldiethanolamine 139-87-7 220 precursor ETHYLENE DIBROMIDE 106-93-4 10 PIH Ethylene Dichloride 107-06-2 10 flammable, toxic ETHYLENE FLUOROHYDRIN 371-62-0 RQ 10 lb 10 toxic flammable, peroxide former, ETHYLENE GLYCOL DIMETHYL ETHER 629-14-1 1 toxic Toxic, Carcinogen and ETHYLENE OXIDE [OXIRANE] 75-21-8 RQ 10 lb 5 Flammable Ethylene Thiourea 96-45-7 5 carcinogen ETHYLENEDIAMINE [1,2-ETHANEDIAMINE] 107-15-3 RQ 5000 lb 45 corrosive, flammable ETHYLENEIMINE [AZIRIDINE] 151-56-4 RQ 1 lb 1 flammable, toxic Ethylphosphonothioic dichloride 993-43-1 2.2 0.2 DHS List ETHYL-TETRYL zzz 1 explosive 22224-92-6 RQ 10 lb 10 toxic FLUENETIL 4301-50-2 RQ 100 lb 10 toxic FLUORIDES (INORGANIC) CLASS 10 toxic Fluorine 7782-41-4 RQ 10 lb oxidizer, corrosive, toxic FLUOROACETAMIDE 640-19-7 RQ 100 lb 10 toxic FLUOROACETIC ACID 144-49-0 RQ 10 lb 10 toxic toxic, corrosive, water and air FLUOROACETYL CHLORIDE 359-06-8 RQ 10 lb 10 reactive

18 of 40 List of Chemical Requiring Approval for Use

Minimum Amount (lbs. Minimum unless otherwise CHEMICAL CAS# Amount (lbs) noted) Hazard RQ (lbs) FLUOROURACIL 51-21-8 RQ 500 lb 5 birth defects, toxic FORMALDEHYDE [FORMALIN] 50-00-0 RQ 100 lb 5 carcinogen, sensitizer HYDROCHLORIDE 23422-53-9 10 toxic 17702-57-7 FUBERIDAZOLE also known as FUBERIDAZOL PESTANAL (2-(2-FURANYL)-1-BE FUBERIDAZOLE, 100MG, NEAT fuberidazole (bsi,iso)baytan 2-(2-FURANYL)-1H-BENZIMIDAZOLE 2-(2-FURYL)-1H-BENZOIMIDAZOLE 2-(2'-FURYL)BENZIMIDAZOLE FUBERIDAZOL FUBERIDAZOLE 3878-19-1 FULMINATING GOLD CLASS 1 explosive FULMINATING MERCURY CLASS 1 explosive FULMINATING PLATINUM CLASS 1 explosive FULMINATING SILVER CLASS 1 explosive FURAN 110-00-9 RQ 100 lb 5 flammable, toxic, carcinogen GALATINIZED NITROCELLULOSE zzz GALLIUM TRICHLORIDE 13450-90-3 RQ 500 lb corrosive, water reactive GELATINIZED NITROCELLULOSE zzz 1 explosive GENZENE zzz ??? Germane 7782-65-2 45 5 flammable, toxic GERMANIUM 7440-56-4 Not hazardous Germanium tetrafluoride 7783-58-6 15 2 toxic, corrosive g-Hexachlorocyclohexane 58-89-9 5 carcinogen Glu-P-1 (2-Amino-6-methyldipyrido[1,2-a:3',2'-d]imidazole) 67730-11-4 5 carcinogen Glu-P-2 (2-Aminodipyrido[1,2-a:3',2'-d]imidazole) 67730-10-3 5 carcinogen Glycidaldehyde 765-34-4 5 carcinogen Glycidol 556-52-5 5 carcinogen

19 of 40 List of Chemical Requiring Approval for Use

Minimum Amount (lbs. Minimum unless otherwise CHEMICAL CAS# Amount (lbs) noted) Hazard RQ (lbs) Griseofulvin 126-07-8 5 carcinogen GUANYL zzz 1 explosive GUANYL NITRASAMINO zzz 1 explosive Guanyl nitrosaminoguanylidene hydrazine 400 1 explosive GUANYLTETRAZENE zzz 1 explosive HC Blue No.1 2784-94-3 5 carcinogen HEAVY METAL AZIDES CLASS 1 explosive 76-44-8 5 carcinogen, toxic Hexabromobiphenyl 67774-32-7 5 carcinogen Hexachlorobenzene 118-74-1 5 carcinogen Hexachlorocyclohexane 608-73-1 5 carcinogen Hexachloroethane 67-72-1 5 carcinogen Hexaethyl tetraphosphate and compressed gas mixtures 757-58-4 500 10 toxic Hexafluoroacetone 684-16-2 45 5 toxic, corrosive, teratogen HEXAMETHYLPHOSPHORAMIDE 680-31-9 5 carcinogen HEXANITE zzz 1 explosive HEXANITRODIPHENYLAMINE 131-73-7 1 explosive HEXANITROSTIBILENE zzz 1 explosive Hexanitrostilbene 20062-22-0 400 1 Explosive HEXOGEN zzz 1 Explosive Hexolite 121-82-4 400 1 explosive, toxic HMX (AKA Cyclotetramethylenetetranitramine) 2691-41-0 400 1 Explosive, shock sensitive HN1 (-1) 538-07-8 CUM 100g 10 grams HN2 (nitrogen mustard-2) 51-75-2 CUM 100g 10 grams chemical weapon HN3 (nitrogen mustard-3) 555-77-1 CUM 100g 10 grams chemical weapon Flammable, toxic, explosive, HYDRAZINE 302-01-2 RQ 1 lb 1 carcinogen Hydrazine Sulfate 10034-93-2 5 corrosive, carcinogen HYDRAZINIUM NITRATE 13464-92-6 1 explosive Hydrazobenzene 122-66-7 5 carcinogen

20 of 40 List of Chemical Requiring Approval for Use

Minimum Amount (lbs. Minimum unless otherwise CHEMICAL CAS# Amount (lbs) noted) Hazard RQ (lbs) HYDRAZOIC ACID 7782-79-8 1 Explosive HYDROBROMIC ACID AND HYDROGEN BROMIDE 10035-10-6 10 toxic, corrosive

RQ 5000 lb HYDROCHLORIC ACID AND 7647-01-0 (gas) 10 toxic, corrosive HYDROCYANIC ACID 74-90-8 RQ 10 lb 10 toxic, flammable HYDROGEN 133-74-0 50 lbs. Flammable Hydrogen bromide (anhydrous) 10035-10-6 500 10 toxic, corrosive Hydrogen chloride (anhydrous) 7647-01-0 RQ 5000 lb 10 Highly corrosive, toxic Hydrogen cyanide 74-90-8 15 10 toxic, flammable Hydrogen fluoride (anhydrous) 7664-39-3 RQ 100 lb 10 corrosive, toxic Hydrogen iodide, anhydrous 10034-85-2 500 10 toxic, corrosive RQ 1000 lb Hydrogen peroxide (concentration of at least 35%) 7722-84-1 (>52%) oxidizer, corrosive Hydrogen selenide 7783-07-5 RQ 10 lb 1 toxic, flammable 7783-06-4 RQ 100 lb 10 toxic, flammable HYDROQUINONE 123-31-9 RQ 100 lb 5 toxic, carcinogen Indeno[1,2,3-cd]pyrene 193-39-5 5 carcinogen IODINE 7553-56-2 Remove Dextran Complex 9004-66-4 Remove IRON, PENTACARBONYL- 13463-40-6 RQ 100 lb 10 highly flammable, toxic ISOBENZAN 297-78-9 RQ 100 lb 5 toxic, carcinogen ISOBUTYRONITRILE 78-82-0 RQ 1000 lb 10 flammable, toxic ISOCYANIC ACID,3,4-DICHLOROPHENYL ESTER 102-36-3 RQ 500 lb 10 toxic, flammable ISODRIN 465-73-6 RQ 1 lb 1 Discontinued pesticide, toxic ISOPHORONE DIISOCYANATE also known as IPDI, isocyanic acid methylene(3,5,5-trimethyl-3,1-cyclohexylene) ester, 3- toxic, through skin, inhalation isocyanatomethyl-3,5,5-trimethylcyclohexylisocyanate 4098-71-9 10 and ingestion

21 of 40 List of Chemical Requiring Approval for Use

Minimum Amount (lbs. Minimum unless otherwise CHEMICAL CAS# Amount (lbs) noted) Hazard RQ (lbs) Isoprene 78-79-5 45 highly flammable ISOPROPYL CHLOROFORMATE 108-23-6 45 highly flammable May form explosive peroxides ISOPROPYL ETHER 108-20-3 5 upon exposure to air ISOPROPYLMETHYPYRAZOLYL DIMETHYLCARBAMATE 119-38-0 Isopropylphosphonothioic dichloride 1498-60-8 2.2 2 DHS List Isopropylphosphonyl difluoride 677-42-9 CUM 100g 10 grams DHS List Kanechlor® 500 37317-41-2 KETENE 463-51-4 ?? Lasiocarpine also known as heliotridine ester with lasiocarpum and angelic acid 303-34-4 5 Toxic, possible carcinogen Lead Acetate also known as Trihydrate; lead (II) acetate, trihydrate; acetic acid lead (II) salt, trihydrate; lead diacetate, trihydrate; Salt of Saturn 301-04-2 5 Poisonous, may be carcinogen LEAD AMIDE zzz ?? LEAD AND ITS INORGANIC COMPOUNDS CLASS 10 Toxic Lead azide 13424-46-9 400 1 Explosive LEAD MANNITE zzz 1 shock sensitive, explosive LEAD MONONITRORESORCINATE zzz 1 Explosive LEAD PICRATE zzz 1 Explosives LEAD SALTS CLASS 1 Explosives Lead styphnate 15245-44-0 400 1 shock sensitive, explosive Toxic by skin and ingestion. 21609-90-5 10 Organophosphate 1 541-25-3 CUM 100g 10 grams Chemical Weapons Lewisite 2 40334-69-8 CUM 100g 10 grams Chemical Weapons Lewisite 3 40334-70-1 CUM 100g 10 grams Chemical Weapons [HEXACHLOROCYCLOHEXANE] 58-89-9 1 lb RQ 1 Toxic - Pesticde

22 of 40 List of Chemical Requiring Approval for Use

Minimum Amount (lbs. Minimum unless otherwise CHEMICAL CAS# Amount (lbs) noted) Hazard RQ (lbs) LITHIUM 7439-93-2 10 lbs. 5 Water reactive metal LITHIUM ALUMINUM HYDRIDE also known as Lithium tetrahydroaluminate; Aluminum lithium hydride 16853-85-3 5 Flammable solid, water reactive LITHIUM HYDRIDE 7580-67-8 15 Water reactive flammable solid Magenta (containing CI Basic Red 9) 632-99-5 5 carcinogen, mutagen Magnesium (powder) 7439-95-4 100 10 Combustible Metal MAGNESIUM ORPHORITE zzz Toxic by skin contact, may MALONONITRILE (AKA MDN; Dicyanomethane.) 109-77-3 10 metabolize to cyanide MANGANESE, TRICARBONYL METHYL- 12108-13-3 MANNITOL HEXANITRATE 15825-70-4 1 Explosive and shock sensitive MDEA 105-59-9 220 20 DHS List MeA-a-C (2-Amino-3-methyl-9H-pyrido[2,3-b]indole 68006-83-7

Medroxyprogesterone acetate (AKA 17-alpha-acetoxy-6-alpha- methylpregn-4-ene-3,20-dione, 17-acetoxy-6-alpha- methylprogesterone, 17-alpha-acetoxy-6-alpha- methylprogesterone, metipregnone, MPA, nogest, oragest, perlutex, 17-alpha-hydroxy-6-alpha-methyl-progesterone acetate, provera, provera dosepak, repromix, U 8839, veramix, progevera, lutopolar, lutoral, metigestrona, proverone, sirprogen, gestapuran, prodasone, progestalpha, depot-medroxyprogesterone acetate, repromap, clinovir, depo-progestin, promone e, progestin, further trade and non-systematic names Experimental carcinogen, ) 71-58-9 5 neoplatigen, tumorigen MeIQ (2-Amino-3,4-dimethylimidazo[4,5-f]quinoline) 77094-11-2 MeIQx (2-Amino-3,4-dimethylimidazo[4,5-f]quinoline) 77500-04-0 antineoplastic drug, may cause Melphalan 148-82-3 5 cancer, toxic by inhalation

23 of 40 List of Chemical Requiring Approval for Use

Minimum Amount (lbs. Minimum unless otherwise CHEMICAL CAS# Amount (lbs) noted) Hazard RQ (lbs) MERCURIC ACETATE (AKA Mercuriacetate; mercuric diacetate; acetic acid, mercury (2+) salt 1600-27-7 15 Poison MERCURIC CHLORIDE (AKA Mercury bichloride; corrosive poison Toxic Severe marine sublimate; mercury (II) chloride; mercury perchloride ) 7487-94-7 15 pollutant

highly toxic by ingestion Toxic MERCURIC OXIDE 21908-53-2 10 Severe marine pollutan t MERCURY 7439-97-6 10 lbs. 10 Toxic Mercury fulminate 628-86-4 400 1 Explosive MERCURY TARTATE zzz Could not find MERCURY TARTRATE zzz 1 Explosive and shock sensitive Merphalan 531-76-0 5 Suspect carcinogen May be fatal if inhaled. Flammable. Very corrosive to METHACRYLONITRILE 126-98-7 45 skin METHACRYLOYL CHLORIDE (AKA 2-Methyl-2-propenoyl chloride; 2-Methylpropenoic acid chloride; 2-Methylpropenoyl chloride; alpha-Methylacryloyl chloride; Methacryl chloride; Methacrylic acid chloride; Methacrylyl chloride; 2-Propenoyl Chloride, highly corrosive to skin, 2-methyl- 920-46-7 45 flammable METHACRYLOYLOXYETHLY ISOCYANATE 30674-80-7 10265-92-6 558-25-8 950-37-8 [MERCAPTODIMETHUR] 2032-65-7 10 lbs RQ 10 16752-77-5 higly toxic to aquatic organisms METHOXYETHYLMERCURIC ACETATE 151-38-2 METHYL 2-CHLOROACRYLATE 80-63-7

24 of 40 List of Chemical Requiring Approval for Use

Minimum Amount (lbs. Minimum unless otherwise CHEMICAL CAS# Amount (lbs) noted) Hazard RQ (lbs) May decompose violently at METHYL ACETYLENE zzz 5 room temp METHYL BROMIDE [BROMOMETHANE] 74-83-9 METHYL CHLOROFORMATE (AKA Carbonochloridic Acid PIH, Hazardous to skin, Methyl Ester) 79-22-1 10 flammable liquid Methyl Chloromethyl Ether (AKA Methyl chloromethyl ether Methoxymethyl chloride 1A flammable, OSHA and IARC MOM chloride 107-30-2 5 carcinogen METHYL CYCLOPENTANE 96-37-7 45 flammable liquid 1B METHYL ETHYL KETONE 78-93-3 Not highly hazardous METHYL FLUOROSULFATE 421-20-5 METHYL FLURORACETATE 453-18-9 METHYL HYDRAZINE 60-34-4 10 lbs RQ 10 Highly flammable METHYL IODIDE 74-88-4 METHYL ISOCYANATE [ISOCYANATOMETHANE] 624-83-9 10 lbs. RQ 10 METHYL ISOTHIOCYANATE 556-61-6 Methyl mercaptan 74-93-1 500 50 DHS List Methyl Methanesulfonate 66-27-3 METHYL [] 298-00-0 METHYL PHOSPHONIC DICHLORIDE 676-97-1 METHYL THIOCYANATE 556-64-9 METHYL TRICHLOROSILANE 75-79-6 METHYL VINYL KETONE 78-94-4 10 lbs. RQ 10 METHYL-4,4-DINITROPENTANOATE zzz Methylazoxymethanol 590-96-5 Methylazoxymethanol acetate 592-62-1 Methylchlorosilane 993-00-0 45 5 DHS List METHYL-ISOBUTYL KETONE AKA 2-Pentanone,4-methyl-; may form explosives peroxides Hexone; MIBK; Isopropylacetone 108-10-1 1 in air METHYLMERCURIC DICYANAMIDE 502-39-6

25 of 40 List of Chemical Requiring Approval for Use

Minimum Amount (lbs. Minimum unless otherwise CHEMICAL CAS# Amount (lbs) noted) Hazard RQ (lbs) Methylphosphonothioic dichloride 676-98-2 2.2 0.2 DHS List Methylthiouracil 56-04-2 1129-41-5 Metronidazole 443-48-1 MEXACARBATE 315-18-4 Michler's Ketone [4,4-(Dimethylamino)benzophenone] 90-94-8 1 lb RQ 1 1 (Perchloropentacyclodecane) 2385-85-5 toxic to aquatic life MITOMYCIN C 50-07-7 10 lbs RQ 5 2B carcinogen, mutagen 1 2 B carcinogen, california Monocrotaline 315-22-0 5 carcinogen (Azodrin, Crotos, Bilobrin, Crisodrin, Glore Phos36, Monocil, Monocron, More-Phos, Plantdrin, Susvin, Monocrotophos 60 WSC, Harcros Nuvacron, Nuvacron 600 SCW, Red Star Monocrotophos, Monocron 6923-22-4 5 Highly toxic MONONITROTOLUENE zzz 5 highly toxic, may be carcinogen MUSCIMOL [5-(AMINOMETHYL)-3-ISOXAZOLOL] (3- Hydroxy-5-aminomethyl-isoxazole 5-Aminomethyl-3-isoxazolol 5-Aminomethyl-3-hydroxy-isoxazole 2763-96-4 10 highly toxic by ingestion MUSTARD GAS 505-60-2 10 Highly Toxic N,N-(2-diethylamino)ethanethiol 100-38-9 2.2 0.2 DHS List N,N-(2-diisopropylamino)ethanethiol 5842-07-9 2.2 0.2 DHS List N,N-(2-dimethylamino)ethanethiol 108-02-1 2.2 0.2 DHS List N,N-(2-dipropylamino)ethanethiol 5842-06-8 2.2 0.2 DHS List N,N-Bis(chloroethyl)-2-naphthylamine (Chlornaphazine) 494-03-1 N,N'-Diacetylbenzidine 613-35-4 N,N-Diethyl phosphoramidic dichloride 1498-54-0 2.2 0.2 DHS List N,N-Diethyldithiocarbamic acid 2-chloroallyl ester 95-06-7 N,N-Diisopropyl phosphoramidic dichloride 23306-80-1 2.2 0.2 DHS List

26 of 40 List of Chemical Requiring Approval for Use

Minimum Amount (lbs. Minimum unless otherwise CHEMICAL CAS# Amount (lbs) noted) Hazard RQ (lbs) N,N-Dimethyl phosphoramidic dichloride 677-43-0 2.2 0.2 DHS List N,N-Dipropyl phosphoramidic dichloride 40881-98-9 2.2 0.2 DHS List N-[4-(5-Nitro-2-furyl)-2-thiazolyl]acetamide 531-82-8 Nafenopin 3771-19-5 N,N-Dimethyl phosphoramidic dichloride 677-43-0 2.2 0.2 DHS N,N-Dipropyl phosphoramidic dichloride 40881-98-9 2.2 0.2 DHS N-[4-(5-Nitro-2-furyl)-2-thiazolyl]acetamide 531-82-8 Nafenopin 3771-19-5 N-Ethyl-N-nitrosourea 759-73-9

NICKEL CARBONYL [NICKEL TETRACARBONYL] 13463-39-3 10 lbs RQ 10 Toxic Severe marine pollutant SULFATE 65-30-5 Niridazole 61-57-4 NITRATED CARBOHYDRATE Class 1 Explosives NITRATED GLUCOSIDE Class 1 Explosives NITRATED POLYHYDRIC ALCOHOL Class 1 Explosives Nitric acid 7697-37-2 400 40 DHS List 10102-43-9 15 2 DHS List Nitrilotriacetic Acid 139-13-9 Nitrobenzene 98-95-3 100 10 DHS List Nitrocellulose 9004-70-0 400 40 DHS List Nitrofen 1836-75-5 45 Highly Flammable 10102-44-0 10 10 lbs. RQ NITROGEN MUSTARD [MECHLORETHAMINE] 51-75-2 Nitrogen mustard hydrochloride 55-86-7 2.2 0.2 DHS List Nitrogen Mustard N-oxide 126-85-2 1 NITROGEN TRICHLORIDE 10025-85-1 NITROGEN TRIIODIDE 13444-85-4 1 Explosive Nitrogen trioxide 10544-73-7 15 2 DHS List NITROGLYCERIDE zzz

27 of 40 List of Chemical Requiring Approval for Use

Minimum Amount (lbs. Minimum unless otherwise CHEMICAL CAS# Amount (lbs) noted) Hazard RQ (lbs) Nitroglycerine 55-63-0 400 1 DHS List 1 NITROGLYCIDE zzz 1 Explosive 1 NITROGLYCOL zzz 1 Explosive NITROGUANDINE zzz 1 Explosive NITROGUANIDIENE 556-88-7 Nitromannite 15825-70-4 400 1 DHS List Nitromethane 75-52-5 400 1 DHS List NITRONIUM PERCHLORATE zzz 1 Explosive NITROPARAFFINS zzz 1 Explosive Nitrostarch 9056-38-6 400 1 DHS List Nitrosyl chloride 2696-92-6 15 2 DHS List Nitrotriazolone 932-64-9 400 DHS List NITROUREA 556-89-8 1 Explosive N-Methyl-N-nitro-N-nitrosoguanidine (MNNG) 70-25-7 N-Methyl-N-nitrosourea 684-93-5 N-Methyl-N-nitrosourethane 615-53-2 N-Nitrosodiethanolamine 1116-54-7 11 N-Nitrosodiethylamine 55-18-5 N-Nitrosodimethylamine 62-75-9 10 lbs. RQ 10 N-Nitrosodi-n-butylamine 924-16-3 N-Nitrosodi-n-propylamine 621-64-7 N-Nitrosomethylethylamine 10595-95-6 N-Nitrosomethylvinylamine 4549-40-0 N-Nitrosomorpholine 59-89-2 N-Nitroso-n-butyl-N-(3-carboxypropyl)amine 38252-74-3 N-Nitroso-n-butyl-N-(4-hydroxybutyl)amine 11/6/3817 N-Nitroso-N-ethylurea 759-73-9 11 N-Nitrosonornicotine 16543-55-8 N-Nitrosopiperidine 100-75-4 1 N-Nitrosopyrrolidine 930-55-2

28 of 40 List of Chemical Requiring Approval for Use

Minimum Amount (lbs. Minimum unless otherwise CHEMICAL CAS# Amount (lbs) noted) Hazard RQ (lbs) N-Nitrososarcosine 13256-22-9 NORBORMIDE 991-42-4 Norethisterone 68-22-4 o,o-Diethyl S-[2-(diethylamino)ethyl] phosphorothiolate 78-53-5 2.2 0.2 DHS List o-Aminoazotoluene 97-56-3 1 o-Anisidine 90-04-0 o-Anisidine Hydrochloride 134-29-2 Octabromobiphenyl 61288-13-9 Octolite 57607-37-1 400 DHS List Octonal 78413-87-3 400 1 DHS List O-DINITROBENZENE 528-29-0 10 highly toxic Oil Orange SS also known as 1-(2-methylphenylazo)-2-naphthol, toluene-2-azonaphthol-2, A.F.orange no 2, aizen food orange no 2, atul oil orange 1, C.I. orange 2, D & C orange no 2, Dolkwal orange SS, far orange II, oil orange opel, oleal orange SS, orange ot, orange ss. 2646-17-5 5 possible human carcinogen O-Mustard (T) 63918-89-8 CUM 100g 10 grams DHS List o-Nitroanisole also known as o-nitroanisole, 2- methoxynitrobenzene, o-nitrophenyl methyl ether, 1-methoxy-2- nitrobenzene, 1-nitro-2-methoxybenzene, o-nitrobenzene methyl ether 91-23-6 5 possible human carcinogen ORGANIC ACID HALIDES AND HYDRIDES CLASS ORGANIC AMINE NITRATES CLASS 1 Explosive ORGANIC NITRAMINES CLASS 1 Explosive ORGANIC PEROXIDES CLASS 1 Explosive ORGANORHODIUM COMPLEX (PMN-82-147) CLASS Poison Toxic Severe marine OSMIUM TETROXIDE 20816-12-0 10 pollutant o-Tolidine (3,3'-dimethylbenzidine) 119-93-7 10 Toxic o-Toluidine 95-53-4 10 Toxic

29 of 40 List of Chemical Requiring Approval for Use

Minimum Amount (lbs. Minimum unless otherwise CHEMICAL CAS# Amount (lbs) noted) Hazard RQ (lbs) o-Toluidine Hydrochloride 636-21-5 10 Toxic OUABAIN 630-60-4 10 highly toxic 23135-22-0 10 Poison - Pesticide B Oxazepam Also known as 7-Chloro-1,3-dihydro-3-hydroxy-5- phenyl-1,4(2H)- benzodiazepin-2-one 604-75-1 5 OSHA carcinogen Oxygen difluoride 7783-41-7 15 2 DHS List Oxymetholone also known as 17-hydroxy-2-(hydroxymethylene)- 17-methyl-5-alpha-17-beta-androst-3-one, HMD, adroidin, adroyd, anadrol, anapolan 50, anapolon, anasteron, anasteronal, anasterone, bercorel, nastenon, dynasten, methabol, oxymethenolone, pardroyd, pavisoid, plenastril, protanabol, roboral, synasteron, zenalosyn 434-07-1 5 poison, possible carcinogen OZONE 10028-15-6 100 lbs. Ozidizer OZONIDES CLASS Oxidizers ??? Does not really seem to be a Palygorskite (attapulgite) 12174-11-7 hazard. p-Aminoazobenzene 60-09-3 Harmful Panfuran S 794-93-4 5 Carcinogen PARAQUAT DICHLORIDE 1910-42-5 10 lbs. RQ 10 Toxic PARAQUAT METHOSULFATE 2074-50-2 10 Toxic [CUPRIC ACETOARSENITE] 12002-03-8 10 Very Toxic PBBs (Polybrominated Biphenyls) 67774-32-7 1 lb. 1 Toxic PCBs (Polychlorinated Biphenyls) 1336-36-3 1 lb. 1 Carcinogen p-Chloroaniline 106-47-8 5 Carcinogen p-Chloro-o-toluidine 95-69-2 5 Carcinogen p-Chloro-o-toluidine Hydrochloride 3165-93-3 5 Carcinogen 1 p-Cresidine 120-71-8 5 Carcinogen 1 Spontaneously Combustible; PENTABORANE 19624-22-7 5 Toxic

30 of 40 List of Chemical Requiring Approval for Use

Minimum Amount (lbs. Minimum unless otherwise CHEMICAL CAS# Amount (lbs) noted) Hazard RQ (lbs) PENTADECYLAMINE 2570-26-5 Corrosive Pentolite 8066-33-9 400 1 Explosive Highly Corrosive; Explosive. DOT forbidden w/ >43% & w/ > PERACETIC ACID [ETHANEPEROXOIC ACID] 89370-71-8 6 % hydrogen peroxide OF HEAVY METALS CLASS 1 Explosive

PERCHLORIC ACID (AND INORGANIC PERCHLORATES) 7601-90-3 10 lbs. 10 Oxidizing; Corrosive Perchloroethylene (Tetrachloroethylene) 127-18-4 5 Carcinogen PERCHLOROMETHYL MERCAPTAN 594-42-3 10 Toxic Perchloryl fluoride 7616-94-6 45 10 Toxic; Oxidizer PEROXIDES CLASS 1 Oxidizers Highly Corrosive; Explosive. DOT forbidden w/ >43% & w/ > PEROXYACETIC ACID 79-21-0 1 6 % hydrogen peroxide PETN (Pentaerythrite Tetranitrate) 78-11-5 400 1 Explosive Phenacetin 62-44-2 5 Carcinogen Phenazopyridine Hydrochloride 136-40-3 5 Carcinogen Phenobarbital 50-06-6 10 Toxic PHENOL, 3-(METHYLETHYL)-, METHYCARBAMATE 64-00-6 10 Toxic PHENOL,2,2'-THIOBIS(4-CHLORO-6-METHYL) 4418-66-0 10 Toxic PHENOXARSINE,10,10'-OXYDI- 58-36-6 10 Toxic Phenoxybenzamine Hydrochloride 63-92-3 5 Carcinogen Phenyl Glycidyl Ether 122-60-1 5 Carcinogen (LEWISITE VARIANT) 696-28-6 45 Flammable PHENYLHYDRAZINE HYDROCHLORIDE 59-88-1 10 Toxic Teratogen Toxic Severe marine PHENYLMERCURY ACETATE 62-38-4 5 pollutant PHENYLSILATRANE 2097-19-0 10 Toxic PHENYLTHIOUREA 103-85-5 10 Toxic

31 of 40 List of Chemical Requiring Approval for Use

Minimum Amount (lbs. Minimum unless otherwise CHEMICAL CAS# Amount (lbs) noted) Hazard RQ (lbs) Phenytoin 57-41-0 5 Carcinogen; Tetratogen PhIP (2-Amino-1-methyl-6-phenylimidazo[4,5-b]pyridine) 105650-23-5 5 Carcinogen; Mutagen Poison Toxic Severe marine 298-02-2 10 pollutant 4104-14-7 10 Toxic 947-02-4 10 Poison Phosgene 75-44-5 15 2 Corrosive, Toxic gas (Decemthion) 732-11-6 10 Poison 7803-51-2 15 2 Poison Gas PHOSPHONOTHIOIC ACID (VX) 50782-69-9 10 Poison Flammable; Spontaneously Phosphorus 7723-14-0 400 5 Combustible in Air PHOSPHORUS OXYCHLORIDE 10025-87-3 10 inhalation Hazard; Corrosive PHOSPHORUS PENTACHLORIDE 10026-13-8 10 Corrosive; Toxic 1314-56-3 10 Corrosive; Toxic Phosphorus trichloride 7719-12-2 45 10 Toxic; Inhalation Hazard 57-47-6 10 Toxin PHYSOSTIGMINE, SALICYLATE (1:1) 57-64-7 10 Poison Toxic; Explosive; Highly PICRAMIC ACID (2,4-Dinitro-6-aminophenol,) 96-91-3 1 Oxidative PICRAMIDE (trinitroaniline) 489-98-5 1 Explosive PICRATOL (Ammonium Picrate) 131-74-8 1 Explosive PICRIC ACID (DRY) (2,4,6-Trinitrophenol) 88-89-1 1 Explosive Picrite (Nitroguanidine) 556-88-7 400 45 Flammable Solid PICROTOXIN (Cocculus) 124-87-8 10 Toxic PICRYL CHLORIDE 88-88-0 1 Explosive PICRYL FLUORIDE 364-44-3 1 Explosive PICRYL SULPHONIC ACID zzz 1 Explosive; Corrosive Piperazine Estrone Sulfate 7280-37-7 5 Teratogen PIPERDINE 110-89-4 10 Flammable; Corrosive

32 of 40 List of Chemical Requiring Approval for Use

Minimum Amount (lbs. Minimum unless otherwise CHEMICAL CAS# Amount (lbs) noted) Hazard RQ (lbs) POLYNITRO ALIPHATIC COMPOUND CLASS 1 Shock Sensitive POTASSIUM (METAL) 9/7/7440 5 Water Reactive POTASSIUM AMIDE 17242-52-3 5 Water Reactive POTASSIUM ARSENITE 10124-50-2 5 Carcinogen Potassium bromate 7758-01-2 5 Carcinogen Potassium chlorate 3811-04-9 400 ?? Oxidizer POTASSIUM CYANIDE 151-50-8 10 lbs. 10 Toxic POTASSIUM DINITROBENZOFUROXAN 42994-94-5 1 Explosive POTASSIUM HYDRIDE AND SODIUM HYDRIDE 7693-26-7 5 Water Reactive Potassium nitrate 7757-79-1 400 ? Oxidizer POTASSIUM NITROMINOTETRAZOLE (Sodium Hydride) 7646-69-7 5 Dangerous When Wet Potassium perchlorate 7778-74-7 400 ? Oxidizer Potassium permanganate 7722-64-7 400 ? Oxidizer POTASSIUM SILVER CYANIDE 506-61-6 10 Toxic Procarbazine Hydrochloride 366-70-1 5 Carcinogen; Teratogen 2631-37-0 10 Poison PROPARGYL BROMIDE [3-BROMOPROPYNE] 106-96-7 10 Toxic PROPIONITRILE [PROPANENITRILE] 107-12-0 10 Flammable; Toxic PROPIOPHENONE, 4'-AMINO- 70-69-9 1 Explosives Flammable Liquid; Inhalation PROPYL CHLOROFORMATE 109-61-5 45 Hazard PROPYLENE OXIDE [METHYLOXIRANE] 75-56-9 1 Flammable; Carcinogen PROPYLENEIMINE [2-METHYLAZIRIDINE] 75-55-8 1 Carcinogen Propylphosphonothioic dichloride 2524-01-8 2.2 0.2 Toxic Propylphosphonyl difluoride 690-14-2 CUM 100g 10 grams Toxic Propylthiouracil 51-52-5 5 Carcinogen 2275-18-5 10 Poison PYRENE 129-00-0 10 Toxic PYRIDINE 110-86-1 45 Flammable PYRIDINE,4-AMINO- 504-24-5 10 Toxic

33 of 40 List of Chemical Requiring Approval for Use

Minimum Amount (lbs. Minimum unless otherwise CHEMICAL CAS# Amount (lbs) noted) Hazard RQ (lbs) PYRIDINE,4-NITRO-,1-OXIDE 1124-33-0 10 Toxic PYRIMINIL 53558-25-1 10 Poison QL (o-Ethyl-o-2-diisopropylaminoethyl methylphosphonite) 57856-11-8 CUM 100g 10 grams Toxic Radon 10043-92-2 5 Carcinogen RDX (Ciclonita) 121-82-4 400 1 Explosive RDX and HMX mixtures 121-82-4 400 1 Explosive Reserpine 50-55-5 10 Toxic Saccharin 81-07-2 10 Toxic Safrole 94-59-7 5 Carcinogen SALCOMINE 14167-18-1 10 Poison Sarin 107-44-8 CUM 100g 10 grams Poison Gas SELENIOUS ACID 7783-00-8 10 Poison Selenium hexafluoride 7783-79-1 15 2 Toxic Selenium Sulfide 7446-34-6 5 Carcinogen SEMICARBAZIDE HYDROCHLORIDE 563-41-7 10 Toxic (1,2-Bis(2-chloroethylthio)ethane) 3563-36-8 CUM 100g 10 grams Very Toxic SILICON TETRACHLORIDE 10026-04-7 Corrosive Silicon tetrafluoride 7783-61-1 45 5 Toxic gas; Inhalation Hazard SILVER ACETYLIDE 7659-31-6 1 Dry is forbidden; Explosive SILVER AMIDE 65235-79-2 10 Toxic SILVER AND ITS COMPOUNDS 7440-22-4 10 Toxic SILVER AZIDE 13863-88-2 1 Dry is forbidden; Explosive SILVER STYPHNATE zzz 1 Shock Sensitive SILVER TETRAZENE 13086-63-0 1 Shock Sensitive SODATOL zzz 1 Shock Sensitive SODIUM 7440-23-5 10 lbs. 5 Dangerous When Wet SODIUM AMATOL zzz 1 Shock Sensitive SODIUM AMIDE 7782-92-5 5 Water Reactive SODIUM ARSENATE 7631-89-2 5 Carcinogen SODIUM ARSENITE 7784-46-5 5 Carcinogen; Teratogen

34 of 40 List of Chemical Requiring Approval for Use

Minimum Amount (lbs. Minimum unless otherwise CHEMICAL CAS# Amount (lbs) noted) Hazard RQ (lbs) Sodium azide 26628-22-8 400 5 Mutagen; Carcinogen Corrosive; Dangerous When SODIUM BOROHYDRIDE 16940-66-2 5 Wet; Toxic SODIUM CACODYLATE 124-65-2 10 Toxic Sodium chlorate 7775-09-9 400 Oxidizer; Toxic SODIUM CYANIDE (NA(CN)) 143-33-9 10 Toxic SODIUM DINITRO-O-CRESOLATE 25641-53-6 1 Explosive Sodium Equilin Sulfate 16680-47-0 10 Toxic Sodium Estrone Sulfate 438-67-5 10 Toxic SODIUM FLUOROACETATE 62-74-8 10 Toxic SODIUM HYDRIDE 7646-69-7 5 Water Reactive SODIUM HYDROXIDE AND POTASSIUM HYDROXIDE 1310-73-2 Corrosive Sodium nitrate 7631-99-4 400 ? Oxidizer SODIUM NITRATE-POTASSIUM NITRATE EXPLOSIVE MIXTURE 7632-00-0 1 Explosive Sodium o-phenylphenate 132-27-4 5 Carcinogen SODIUM PICRAMATE zzz 1 Explosive SODIUM SELENATE 13410-01-0 10 Toxic SODIUM SELENITE 10102-18-8 10 Toxic SODIUM TELLURITE 10102-20-2 10 Toxic (Nerve Gas) 96-64-0 CUM 100g 10 grams Very Toxic STANNANE, ACETOXYTRIPHENYL- 900-95-8 10 Toxic Very Toxic, Dangerous to the STANNANE, ACETOXYTRIPHENYL- 900-95-8 10 Environment STANNIC CHLORIDE 7646-78-8 Corrosive Sterigmatocystin 10048-13-2 10 Toxic Toxic Gas/ Inhalation Hazard - Stibine 7803-52-3 15 2 DHS list Streptozotocin 18883-66-4 Harmful Strontium Chromate (7789-06-2) 7789-06-2 Oxidizer

35 of 40 List of Chemical Requiring Approval for Use

Minimum Amount (lbs. Minimum unless otherwise CHEMICAL CAS# Amount (lbs) noted) Hazard RQ (lbs) Very Toxic, Dangerous to the STRYCHININE 57-24-9 10 Environment Very Toxic, Dangerous to the STRYCHININE, SULFATE 60-41-3 10 Environment STYRENE 100-42-5 Harmful Styrene-7,8-oxide 96-09-3 10 Toxic Toxic, Dangerous for the Sulfallate 95-06-7 10 Environment Toxic, Corrosive, Dangerous for SULFUR CHLORIDE 10025-67-9 10 the Environment (anhydrous) 7446-09-5 500 10 Toxic Sulfur mustard (Mustard gas (H)) 505-60-2 CUM 100g 10 grams Very Toxic, Corrosive Sulfur tetrafluoride 7783-60-0 15 2 Very Toxic, Corrosive SULFUR TRIOXIDE [SULFURIC ANHYDRIDE] 7446-11-9 7446-11-9 10 Oxidizer, Very Toxic SYPHNIC ACID 82-71-3 1 Explosive, Shock Sensitive Chemical Weapons/Chemical 77-81-6 CUM 100g 10 grams Weapon Precursors Tamoxifen and its salts CLASS 10 Toxic T-BUTYL PERBENZOATE 614-45-9 Oxidizing T-BUTYL PEROXYACETATE 107-71-1 Oxidizing, Toxic T-BUTYLHYDROPEROXIDE 75-91-2 Oxidizing, Corrosive T-DIBUTYL PEROXIDE 110-05-4 1 Explosive, Highly Flammable Tellurium hexafluoride 7783-80-4 15 2 Toxic Dangerous for the Environment TETRACENE 92-24-0 (not DOT or IATA regulated) TETRAFLUOROETHYLENE 116-14-3 non-hazardous TETRAHYDROFURAN 109-99-9 45 Highly Flammable TETRAHYDRONAPHTHALENE 119-64-2 TETRAMETHYLLEAD [TETRAMETHYLPLUMBANE] 75-74-1 10 Very Toxic Tetranitroaniline 53014-37-2 400 1 Explosive

36 of 40 List of Chemical Requiring Approval for Use

Minimum Amount (lbs. Minimum unless otherwise CHEMICAL CAS# Amount (lbs) noted) Hazard RQ (lbs) TETRANITROCARBAZOLE 641-16-7 1 Explosive, Shock Sensitive 509-14-8 10 Oxidizing, Very Toxic TETRAZENE 109-27-3 400 1 Explosive TETRYL 479-45-8 45 Highly Flammable, Toxic THALLIUM SULFATE 10031-59-1 10 Toxic Very Toxic, Dangerous to the THALLOUS CARBONATE[THALLIUM(L)CARBONATE] 6533-73-9 10 Environment Very Toxic, Dangerous to the THALLOUS CHLORIDE 7791-12-0 10 Environment Very Toxic, Dangerous to the THALLOUS MALONATE 2757-18-8 10 Environment THALLOUS SULFATE [THALLIUM(L) SULFATE] 7446-18-6 10 Very Toxic, Marine Pollutant Thioacetamide 62-55-5 10 Toxic THIOCARBAZIDE 2231-57-4 10 Very Toxic Thiodiglycol 111-48-8 2.2 Irritant Very Toxic, Dangerous to the 39196-18-4 10 Environment THIOSEMICARBAZIDE 79-19-6 10 Very Toxic Thiotepa; Tris(1-aziridinyl)phosphine Sulfide 52-24-4 10 Very Toxic Thiourea 62-56-6 Dangerous for the Environment THIOUREA, (2-CHLOROPHENYL)- 5344-82-1 10 Very Toxic THIOUREA, (2-METHYLPHENYL)- 614-78-8 Harmful Thorium Dioxide 1314-20-1 ? Toxic, Radioactive Titanium tetrachloride 7550-45-0 45 5 Corrosive TNT 118-96-7 400 1 Explosive TOLUENE 108-88-3 45 Highly Flammable TOLUENE DIISOCYANATE 26471-62-5 5 Suspect Carcinogen TOLUENE-2,4-DIISOCYANATE 584-84-9 5 Water Reactive TOLUENE-2,6-DIISOCYANATE 91-08-7 10 Very Toxic Torpex 67713-16-0 400 1 Explosive

37 of 40 List of Chemical Requiring Approval for Use

Minimum Amount (lbs. Minimum unless otherwise CHEMICAL CAS# Amount (lbs) noted) Hazard RQ (lbs) Toxic, Dangerous for the 8001-35-2 10 Environment Treosulfan 299-75-2 5 Suspect Carcinogen TRIALKYALUMINUMS CLASS TRIAMIPHOS 1031-47-6 10 Very Toxic TRICHLORO(CHLOROMETHYL)SILANE 1558-25-4 10 Very Toxic TRICHLORO(DICHLOROPHENYL)SILANE 27137-85-5 10 Very Toxic Trichloroethylene 79-01-6 10 Toxic Very Toxic, Dangerous for the 327-98-0 10 Environment Triethanolamine 102-71-6 220 Irritant Triethanolamine hydrochloride 637-39-8 220 Not Hazardous TRIETHOXYSILANE 998-30-1 10 Very Toxic Triethyl phosphite 122-52-1 220 Harmful TRIETHYLENE GLYCOL DINITRATE 112-27-6 Irritant TRIFLUOROACETIC ACID 76-05-1 Corrosive Trifluoroacetyl chloride 354-32-5 45 5 Corrosive Trifluorochloroethylene 79-38-9 500 45 Extremely Flammable Trimethyl phosphite 121-45-9 220 Harmful TRIMETHYLALUMINUM (AND RELATED ORGANOALUMINUM COMPOUNDS) 75-24-1 45 Highly Flammable, Corrosive TRIMETHYLCHLOROSILANE 75-77-4 45 Highly Flammable, Corrosive TRIMETHYLOLETHANE 77-85-0 Not Hazardous TRIMETHYLOLETHANE TRINITRATE zzz 1 Explosive TRIMETHYLOLPROPANE PHOSPHITE 824-11-3 10 Very Toxic TRIMETHYLTIN CHLORIDE (AND OTHER ORGANOTIN COMPOUNDS) 1066-45-1 10 Very Toxic TRIMONITE 6484-52-2 1 Shock Sensitive TRINITRATENITROCELLULOSE zzz 1 Explosive Trinitroaniline 26952-42-1 400 1 Explosive

38 of 40 List of Chemical Requiring Approval for Use

Minimum Amount (lbs. Minimum unless otherwise CHEMICAL CAS# Amount (lbs) noted) Hazard RQ (lbs) Trinitroanisole 606-35-9 400 1 Explosive Trinitrobenzene 99-35-4 400 ? Trinitrobenzenesulfonic acid 2508-19-2 400 TRINITROBENZOIC ACID 129-66-8 1 Explosive Trinitrochlorobenzene 88-88-0 400 TRINITROCHLOROBENZENE 28260-61-9 1 Explosive TRINITROCRESOL 602-99-3 1 Explosive, Shock Sensitive TRINITROETHYLFORMAL zzz 1 Explosive TRINITROETHYL-O-CARBONATE zzz 1 Explosive TRINITROETHYL-O-FORMATE zzz 1 Explosive TRINITROFLUORENONE 129-79-3 1 Explosive Trinitro-meta-cresol 602-99-3 400 1 Explosive, Shock Sensitive Trinitronaphthalene 55810-17-8 400 1 Explosive TRINITROPHENETOL zzz 1 Explosive Trinitrophenetole 4732-14-3 400 Trinitrophenetole 4732-14-3 400 1 Explosive Highly Flammable, Toxic, Trinitrophenol 88-89-1 400 1 Explosive when Dry TRINITROPHENYLMETHYLNITRAMINE zzz 1 Explosive TRINITROPHLOROGLUCINOL 4328-17-0 1 Explosive, Shock Sensitive Trinitroresorcinol 82-71-3 400 1 Explosive TRINITROTOLUENE (TNT) 118-96-7 1 Explosive Toxic Toxic Severe marine TRIPHENYLTIN CHLORIDE 639-58-7 pollutant Toxic, Dangerous for the Tris(2,3-dibromopropyl)phosphate 126-72-7 10 Environment TRIS(2-CHLOROETHYL)AMINE 555-77-1 10 Very Toxic Tris(aziridinyl)phosphine sulfide 52-24-4 10 Very Toxic Tritonal 54413-15-9 400 1 Explosive Trp-P-1 (3-Amino-1,4-dimethyl-5H-pyrido[4,3-b]indole) 62450-06-0 5 Suspect Carcinogen

39 of 40 List of Chemical Requiring Approval for Use

Minimum Amount (lbs. Minimum unless otherwise CHEMICAL CAS# Amount (lbs) noted) Hazard RQ (lbs) Trp-P-1 (3-Amino-1-methyl-5H-pyrido[4,3-b]indole) 62450-07-1 5 Suspect Carcinogen Trypan Blue 72-57-1 10 Toxic Tungsten hexafluoride 7783-82-6 45 10 Toxic Uracil mustard 66-75-1 5 Suspect Carcinogen UREA NITRATE 513-80-4 1 Explosive, Shock Sensitive Urethane 51-79-6 10 Toxic VALINOMYCIN 2001-95-8 10 Very Toxic Toxic, Dangerous for the VANADIUM PENTOXIDE 1314-62-1 10 Environment VINYL ACETATE MONOMER [VINYL ACETATE] 108-05-4 45 Highly Flammable VINYL ACETYLENE 689-97-4 1 Peroxide Former Vinyl Bromide 593-60-2 10 Extremely Flammable, Toxic VINYL CHLORIDE 75-01-4 10 Extremely Flammable, Toxic VINYL ETHERS 109-93-3 Vinyl Fluoride 72-02-5 1 Suspect Carcinogen VINYL PYRIDINE 1337-81-1 1 Peroxide Former VINYLIDENE CHLORIDE 75-35-4 45 Extremely Flammable VX 50782-69-9 CUM 100g 10 grams Chemical Weapons Precursor WARFARIN 81-81-2 10 Toxic WARFARIN SODIUM 129-06-6 10 Very Toxic XYLYLENE DICHLORIDE 28347-13-9 10 Very Toxic Zinc Chromate 13530-65-9 10 Toxic Highly Flammable, Very Toxic, ZINC PHOSPHIDE 1314-84-7 45 Dangerous for the Environment ZINC, DICHLORO-- 58270-08-9 Zinc, Dichloro(4,4-Dimethyl-5((((Methylamino) Carbonyl) Reactive with other chemical Oxy)Imino)Pentanenitrile)-, (T-4)- 58270-08-9 1 classes, Water Reactive ZIRCONIUM PICRAMATE zzz 1 Explosive ZIRCONIUM TETRACHLORIDE 10026-11-6 Corrosive

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