!J ~ UTAH DEPARTMENT OF NY NY NY NY NY NY NY NY NY NY NY NY NY NY NY NY NY NY NY NY NY NY NY NY NY NY NY NY NY NY NY NY NY NY NY

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1 Utah Department of Health W. David Patton Ph.D Executive Director Disease Control and Prevention Robyn M. Atkinson, Ph.D, HCLD Director, Utah Public Health Laboratory State of Utah Gary R Herbert Governor Gregory S Bell Lieutenant Governor Bureau of Laboratory Improvement EPA Number: Attachment to Certificate Number: Page I of20 Calscience Environmental Laboratories, Inc. Program/Matrix: RCRA (Air & Emissions) Start Date Expires Method EPA T0-15 1,1, 1-Trichloroethane 1,1,2,2-Tetrachloroethane 1,1,2-Trichloro-1,2,2-trifluoroethane 1,1,2-Trichloroethane 1, 1-Dichloroethane 1, 1-Dichloroethylene 1,2,4-Trichlorobenzene 1,2,4-Trimethylbenzene 1,2-Dibromoethane (EDB, Ethylene dibromide) 1,2-Dichlorobenzene (a-dichlorobenzene) 1,2-Dichloroethane (Ethylene dichloride) 1,2-Dichloropropane 1, 3,5-Trimethylbenzene 1,3-Butadiene 1,3-Dichlorobenzene 1,4-Dichlorobenzene 1,4-Dioxane (1,4- Diethyleneoxide) 2-Butanone (Methyl ethyl ketone, MEK) 4-Methyl-2-pentanone (MIBK) Acetone Benzene Benzyl chloride Bromodichloromethane Bromoform Carbon disulfide Carbon tetrachloride Chlorobenzene Chloroethane (Ethyl chloride) Chloroform cis-1,2-dichloroethylene cis-1,3-dichloropropene Dichlorodifluoromethane (Freon-12) Ethyl benzene Hexach lorobutad iene Methyl bromide (Bromomethane)!J ~ UTAH DEPARTMENT OF 4431 South 2700 West Taylorsville, UT phone (801 ) fax (801 ) wvvw. health. utah. gov/elsllabimp/

2 EPA Number: Attachment to Certificate Number: Page 2 of20 Program/Matrix: RCRA (Air & Emissions) Methyl chloride (Chloromethane) Methyl tert-butyl ether (MTBE) Methylene chloride (Dichloromethane) n-hexane Styrene Tetrachloroethylene (Perchloroethylene) Toluene trans-1,2-dichloroethylene trans-1,3-dichloropropylene T rich loroethene (Trichloroethylene) Trichlorofluoromethane (Fiuorotrichloromethane, Freon 11) Vinyl acetate Vinyl chloride Xylene (total)..!) ~ UTAH DEPARTMENT OF 4431 South 2700 West o Taylorsville, UT o phone (801 ) o fax (801 ) INWVV.health.utah.gov/els/labimp/

3 EPA Number: Attachment to Certificate Number: Page 3 of20 Program/Matrix: RCRA (Non Potable Water) Method EPA 1010A lgnitability Method EPA 1110A Corrosivity toward steel Method EPA 1311 Toxicity Characteristic Leaching Procedure Metals Toxicity Characteristic Leaching Procedure Semi-Volatiles Toxicity Characteristic Leaching Procedure Volatiles Method EPA 1312 Preparation/Extraction Method EPA 1664A Oil & Grease Method EPA Antimony Arsenic Beryllium Cadmium Chromium Cobalt Copper Lead Molybdenum Nickel Selenium Silver Thallium Vanadium Zinc Method EPA 6020 Antimony Arsenic Barium Beryllium Cadmium Chromium Cobalt Copper Lead Molybdenum Nickel Selenium Silver Thallium Vanadium Zinc Method EPA 7196A Chromium VI!J ~ UTAH DEPARTMENT OF 4431 South 2700 West Taylorsville, UT phone (801 ) fax (801 ) WIN'W.health.utah.gov/els/labimp/

4 EPA Number: Attachment to Certificate Number: Page 4 of20 Program/Matrix: RCRA (Non Potable Water) Method EPA 7420 Lead Method EPA 7470 Mercury Method EPA Diesel range organics (ORO) Ethanol Gasoline range organics (GRO) Isobutyl alcohol (2-Methyl-1-propanol) Isopropyl alcohol (2-Propanol, Isopropanol) Methanol Method EPA 8081A 4,4'-DDD 4,4'-DDE 4,4'-DDT Aldrin alpha-bhc (alpha-hexachlorocyclohexane) alpha-chlordane be ta-b HC (beta-hexachlorocyclohexane) Captafol Chlordane (tech.) Chlorobenzilate Chloroneb Chlorothalonil delta-bhc Dieldrin Endosulfan I Endosulfan II Endosulfan sulfate Endrin Endrin aldehyde Endrin ketone gamma-bhc (Lindane, gamma-hexachlorocyclohexane) gamma-chlordane Heptachlor Heptachlor epoxide Hexachlorobenzene Methoxychlor Toxaphene (Chlorinated camphene) Trifluralin (Treflan) Method EPA 8082 Aroclor-1016 (PCB-1016) Aroclor-1221 (PCB-1221) Aroclor-1232 (PCB-1232) Aroclor-1242 (PCB-1242) Aroclor-1248 (PCB-1248) Aroclor-1254 (PCB-1254)!J ~ UTAH DEPARTMENT OF 4431 South 2700 West Taylorsville, UT phone (801 ) fax (801 ) WIN'N. health. utah.gov/els/labim p/

5 EPA Number: Attachment to Certificate Number: Page 5 of20 Program/Matrix: RCRA (Non Potable Water) Aroclor (PCB-1260) PCBs Method EPA 8141A Azinphos-methyl (Guthion) Carbophenothion Chlorfenvinphos Chlorpyrifos Chlorpyrifos-methyl Demeton-o Demeton-s Diazinon Famphur Malathion Methyl parathion (Parathion, methyl) Mevinphos Naled Parathion, ethyl Phorate Ronnel Simazine Sulfotepp Method EPA 8151A 2,4,5-T 2,4-D 2,4-DB 4-Nitrophenol Dalapon Dicamba Dichloroprop (Dichlorprop) Dinoseb (2-sec-butyl-4,6-dinitrophenol, DNBP) MCPA MCPP Silvex (2,4,5-TP) Method EPA ,1,1,2-Tetrachloroethane 1, 1,1-Trichloroethane 1,1,2,2-Tetrachloroethane 1,1,2-Trichloroethane 1, 1-Dichloroethane 1, 1-Dichloroethylene 1, 1-Dichloropropene 1,2,3,4-Diepoxybutane 1,2,3-Trichlorobenzene 1,2,3-Trichloropropane 1,2,4-Trichlorobenzene 1,2,4-Trimethylbenzene 1,2-Dibromoethane (EDB, Ethylene dibromide) 1,2-Dichlorobenzene (a-dichlorobenzene).!j \!.. UTAH DEPARTMENT OF 4431 South 2700 West Taylorsville, UT phone (801) fax (801 ) vvww. health. utah.gov/els/labimp/

6 EPA Number: Attachment to Certificate Number: Page 6 of20 Program/Matrix: RCRA (Non Potable Water) 1,2-Dichloroethane (Ethylene dichloride) 1,2-Dichloropropane 1, 3, 5-Trimethylbenzene 1,3-Dichloro-2-propanol 1,3-Dichlorobenzene 1,3-Dichloropropane 1,4-Dichlorobenzene 1,4-Dioxane (1,4- Diethyleneoxide) 2,2-Dichloropropane 2-Butanone (Methyl ethyl ketone, MEK) 2-Chloroethyl vinyl ether 2-Chlorotoluene 2-Hexanone 2-Methylaniline ( o-toluidine) 2-Nitropropane 2-Picoline (2-Methylpyridine) 3-Chloropropionitrile 4-Chlorotoluene 4-Methyl-2-pentanone (MIBK) Acetone Acetonitrile Acrolein (Propenal) Acrylonitrile Allyl alcohol Allyl chloride (3-Chloropropene) Benzene Bromoacetone Bromobenzene Bromochloromethane Bromodichloromethane Bromoform Carbon disulfide Carbon tetrachloride Chloral hydrate Chlorobenzene Chlorodibromomethane Chloroethane (Ethyl chloride) Chloroform Chloroprene (2-Chloro-1,3-butadiene) cis-1,2-dichloroethylene cis-1,3-dichloropropene cis-1,4-dichloro-2-butene Crotonaldehyde Dibromofluoromethane Dichlorodifluoromethane (Freon-12) Epichlorohydrin ( 1-Chloro-2, 3-epoxypropane) Ethyl acetate Ethyl methacrylate Ethyl benzene!j ~ UTAH DEPARTMENT OF ":\ r. HEALTH 4431 South 2700 West Taylorsville, UT phone (801 ) fax (801 ) lf>iinw. health. utah. gov/els/labim pi

7 EPA Number: Attachment to Certificate Number: Page 7 of20 Program/Matrix: RCRA (Non Potable Water) Ethylene oxide Ethyl-t-butylether (ETBE) (2-Ethoxy-2-methylpropane) Hexachlorobutadiene Hexachloroethane lodomethane (Methyl iodide) Isobutyl alcohol (2-Methyl-1-propanol) Isopropyl benzene Malononitrile Methacrylonitrile Methanol Methyl bromide (Bromomethane) Methyl chloride (Chloromethane) Methyl methacrylate Methyl tert-butyl ether (MTBE) Methylene chloride (Dichloromethane) Naphthalene n-butyl alcohol (1-Butanol, n-butanol) n-butylbenzene Nitrobenzene n-nitroso-di-n-butylamine n-propylamine n-propylbenzene Paraldehyde Pentachloroethane Pentafluorobenzene Propargyl alcohol Propionitrile (Ethyl cyanide) Pyridine sec-butyl benzene Styrene T -amylmethylether (TAM E) tert-butyl alcohol tert-butylbenzene Tetrachloroethylene (Perch loroethylene) Toluene trans-1,2-dichloroethylene trans-1, 3-Dichloropropylene trans-1,4-dichloro-2-butene Trichloroethene (Trichloroethylene) Trichlorofluoromethane (Fiuorotrichloromethane, Freon 11) Vinyl acetate Vinyl chloride Xylene (total) Method EPA 8270C 1,2,4,5-Tetrachlorobenzene 1,2,4-Trichlorobenzene 1,2-Dichlorobenzene (a-dichlorobenzene) 1,2-Dinitrobenzene!J ~ UTAH DEPARTMENT OF ~ ra HEALTH 4431 South 2700 West Taylorsville, UT phone (801 ) fax (801 ) lfvinin. health. utah. gov/els/labimp/

8 EPA Number: Attachment to Certificate Number: Page 8 of20 Program/Matrix: RCRA (Non Potable Water) 1,2-Diphenylhydrazine 1,3-Dichlorobenzene 1,3-Dinitrobenzene (1,3-DNB) 1 A-Dichlorobenzene 1,4-Dinitrobenzene 1 A-Naphthoquinone 1 A-Phenylenediamine 1-Acetyl-2-thiourea 1-Chloronaphthalene 1-Naphthylamine 2, 3A, 6-T etrach lorophenol 2A, 5-Trichlorophenol 2,4,6-Trichlorophenol 2,4-Dichlorophenol 2,4-Dimethylphenol 2, 4-Di n itrophenol 2A-Dinitrotoluene (2,4-DNT) 2A-Toluene diisocyanate 2, 6-Dichlorophenol 2,6-Dinitrotoluene (2,6-DNT) 2-Acetylaminofluorene 2-Chloroaniline 2-Chloronaphthalene 2-Chlorophenol 2-Cyclohexyl-4,6-dinitrophenol 2-Methyl-4,6-dinitrophenol (4,6-Dinitro-2-methylphenol) 2-Methylaniline ( o-toluidine) 2-Methylnaphthalene 2-Methylphenol (a-cresol) 2-Nitroaniline 2-Nitrophenol 2-Picoline (2-Methylpyridine) 3, 3' -Dich lorobenzid i ne 3,3'-Dimethoxybenzidine 3-Methylcholanthrene 3-Methylphenol (m-cresol) 3-Nitroaniline 4-Aminobiphenyl 4-Bromophenyl phenyl ether 4-Chloro-3-methylphenol 4-Chloroaniline 4-Chlorophenyl phenylether 4-Dimethyl aminoazobenzene 4-Methylphenol (p-cresol) 4-N itrophenol 5-Nitro-o-toluidine 7, 12-Dimethylbenz(a) anthracene a-a-dimethylphenethylamine Acenaphthene.!) \:... UTAH DEPARTMENT OF 4431 South 2700 West Taylorsville, UT phone (801 ) fax (801 ) wwvv.health.utah.gov/els/labimp/

9 EPA Number: Attachment to Certificate Number: Page 9 of20 Program/Matrix: RCRA (Non Potable Water) Acenaphthylene Acetophenone Aniline Anthracene Aramite Benzidine Benzo(a)anthracene Benzo(a)pyrene Benzo(b )fluoranthene Benzo(g, h, i)perylene Benzo(k)fluoranthene Benzoic acid Benzyl alcohol bis(2-chloroethoxy)methane bis(2-chloroethyl) ether bis(2-chloroisopropyl) ether bis(2-ethylhexyl) phthalate (DEHP) Butyl benzyl phthalate Carbazole Chrysene Dibenz(a, j) acridine Dibenz(a,h) anthracene Dibenzo(a,e) pyrene Dibenzofuran Diethyl phthalate Diethyl sulfate Diethylstilbestrol Dihydrosafrole Di-n-butyl phthalate Di-n-octyl phthalate Diphenylamine Ethyl carbamate (Urethane) Ethyl methanesulfonate Fluoranthene Fluorene Hexachlorobenzene Hexachlorobutadiene Hexachlorocyclopentadiene Hexachloroethane Hexachlorophene Hexachloropropene lndeno(1,2,3-cd) pyrene lsophorone lsosafrole Maleic anhydride Methyl methanesulfonate Naphthalene Nicotine Nitrobenzene!) ~ UTAH DEPARTMENT OF 4431 South 2700 West Taylorsville, UT phone (801 ) fax (801 ) vvwvv.health.utah.gov/els/labimp/

10 EPA Number: Attachment to Certificate Number: Page I 0 of20 Program/Matrix: RCRA (Non Potable Water) n-n itrosodiethylamine n-nitrosodimethylamine n-nitroso-di-n-butylamine n-n itrosod i-n-propylam i ne n-nitrosodiphenylamine n-nitrosomethylethalamine n-nitrosomorpholine n-nitrosopiperidine n-nitrosopyrrolidine p-benzoquinone (Quinone) Pentach loron itrobenzene Pentachlorophenol Phenacetin Phenanthrene Phenol Pronamide (Kerb) Propylthiouracil Pyrene Pyridine Resorcinol Safrole Strychnine Thiophenol (Benzenethiol) Method EPA 8310 Acenaphthene Acenaphthylene Anthracene Benzo( a)anthracene Benzo(a)pyrene Benzo(b )fluoranthene Benzo{g, h, i)perylene Benzo(k)fluoranthene Chrysene Dibenz( a, h) anthracene Fluoranthene Fluorene lndeno(1,2,3-cd) pyrene Naphthalene Phenanthrene Pyrene Method EPA ,3,5-Trinitrobenzene (1,3,5-TNB) 1,3-Dinitrobenzene (1,3-DNB) 2,4,6-Trinitrotoluene (2,4,6-TNT) 2,4-Dinitrotoluene (2,4-DNT) 2,6-Dinitrotoluene {2,6-DNT) 2-Amino-4,6-dinitrotoluene (2-am-dnt) 2-Nitrotoluene..!J ~ UTAH DEPARTMENT OF 4431 South 2700 West Taylorsville, UT phone (801) fax (801 ) wwvv.health.utah.gov/els/labimp/

11 EPA Number: Attachment to Certificate Number: Page II of20 Calscience Environmental Laboratories, Inc. Start Date Expires Program/Matrix: RCRA (Non Potable Water) 3-Nitrotoluene 4-Amino-2,6-dinitrotoluene (4-am-dnt) 4-Nitrotoluene Methyl-2,4,6-trinitrophenylnitramine (tetryl) Nitrobenzene Octahydro-1,3,5,7 -tetranitro-1,3,5,7-tetrazocine (HMX) RDX (hexahydro-1,3,5-trinitro-1,3,5-triazine) Method EPA ph Method EPA 9056 Fluoride!J ~ UTAH DEPARTMENT OF 4431 South 2700 West Taylorsville, UT phone (801 ) fax (801 ) www. health. utah.gov/els/labimp/

12 EPA Number: Attachment to Certificate Number: Page 12 of20 Program/Matrix: RCRA (Solid & Hazardous Material) Method EPA 1010A lgnitability Method EPA 1110A Corrosivity toward steel Method EPA 1311 Toxicity Characteristic Leaching Procedure Metals Toxicity Characteristic Leaching Procedure Semi-Volatiles Toxicity Characteristic Leaching Procedure Volatiles Method EPA 1312 Preparation/Extraction Method EPA Antimony Arsenic Beryllium Cadmium Chromium Cobalt Copper Lead Molybdenum Nickel Selenium Silver Thallium Vanadium Zinc Method EPA 6020 Antimony Arsenic Barium Beryllium Cadmium Chromium Cobalt Copper Lead Molybdenum Nickel Selenium Silver Thallium Vanadium Zinc Method EPA 7196A Chromium VI Method EPA 7420 Lead.!) \:... UTAH DEPARTMENT OF ~ ra HEALTH 4431 South 2700 West Taylorsville, UT phone (801 ) fax (801 ) WINW. health. utah.gov/els/labimp/

13 EPA Number: Attachment to Certificate Number: Page 13 of20 Program/Matrix: RCRA (Solid & Hazardous Material) Method EPA 7470 Mercury Method EPA 7471A Mercury Method EPA Diesel range organics (DRO) Ethanol Gasoline range organics (GRO) Isobutyl alcohol (2-Methyl-1-propanol) Isopropyl alcohol (2-Propanol, Isopropanol) Methanol Method EPA 8081A 4,4'-DDD 4,4'-DDE 4,4'-DDT Aldrin alpha-bhc (alpha-hexachlorocyclohexane) alpha-chlordane beta-bhc (beta-hexachlorocyclohexane) Captafol Chlordane (tech.) Chlorobenzilate Chloroneb Chlorothalonil delta-bhc Dieldrin Endosulfan I Endosulfan II Endosulfan sulfate Endrin Endrin aldehyde Endrin ketone gamma-bhc (Lindane, gamma-hexachlorocyclohexane) gamma-chlordane Heptachlor Heptachlor epoxide Hexachlorobenzene Methoxychlor Toxaphene (Chlorinated camphene) Trifluralin (Treflan) Method EPA 8082 Aroclor-1016 (PCB-1016) Aroclor-1221 (PCB-1221) Aroclor-1232 (PCB-1232) Aroclor-1242 (PCB-1242) Aroclor-1248 (PCB-1248) Aroclor-1254 (PCB-1254)!J ~ UTAH DEPARTMENT OF 4431 South 2700 West Taylorsville, UT phone (801 ) fax (801 ) wvvvv. health. utah. gov/els/labimp/

14 EPA Number: Attachment to Certificate Number: Page 14 of20 Program/Matrix: RCRA (Solid & Hazardous Material) Aroclor (PCB-1260) PCBs Method EPA 8141A Azinphos-methyl (Guthion) Carbophenothion Chlorfenvinphos Chlorpyrifos Chlorpyrifos-methyl Demeton-o Demeton-s Diazinon Famphur Malathion Methyl parathion (Parathion, methyl} Mevinphos Naled Parathion, ethyl Ph orate Ronnel Simazine Sulfotepp Method EPA 8151A 2,4,5-T 2,4-D 2,4-DB 4-Nitrophenol Dalapon Dicamba Dichloroprop (Dichlorprop) Dinoseb (2-sec-butyl-4,6-dinitrophenol, DNBP) MCPA MCPP Silvex (2,4,5-TP) Method EPA ,1, 1,2-Tetrachloroethane 1,1, 1-Trichloroethane 1,1,2,2-Tetrachloroethane 1,1,2-Trichloroethane 1, 1-Dichloroethane 1, 1-Dichloroethylene 1, 1-Dichloropropene 1,2,3,4-Diepoxybutane 1,2,3-Trichlorobenzene 1,2,3-Trichloropropane 1,2,4-Trichlorobenzene 1,2,4-Trimethylbenzene 1,2-Dibromoethane (EDB, Ethylene dibromide) 1,2-Dichlorobenzene (a-dichlorobenzene)!j ~ UTAH DEPARTMENT OF 4431 South 2700 West Taylorsville, UT phone (801 ) fax (801 ) wwvv.health.utah.gov/els/labimp/

15 EPA Number: Attachment to Certificate Number: Page 15 of20 Program/Matrix: RCRA (Solid & Hazardous Material) 1,2-Dichloroethane (Ethylene dichloride) 1,2-Dichloropropane 1, 3, 5-Trimethylbenzene 1,3-Dichloro-2-propanol 1,3-Dichlorobenzene 1,3-Dichloropropane 1 A-Dichlorobenzene 1,4-Dioxane (1,4- Diethyleneoxide) 2,2-Dichloropropane 2-Butanone (Methyl ethyl ketone, MEK) 2-Chloroethyl vinyl ether 2-Chlorotoluene 2-Hexanone 2-Methylaniline ( o-toluidine) 2-N itropropane 2-Picoline (2-Methylpyridine) 3-Chloropropionitrile 4-Chlorotoluene 4-Methyl-2-pentanone (MIBK) Acetone Acetonitrile Acrolein (Propenal) Acrylonitrile Allyl alcohol Allyl chloride (3-Chloropropene) Benzene Bromoacetone Bromobenzene Bromochloromethane Bromodichloromethane Bromoform Carbon disulfide Carbon tetrachloride Chloral hydrate Chlorobenzene Chlorodibromomethane Chloroethane (Ethyl chloride) Chloroform Chloroprene (2-Chloro-1, 3-butadiene) cis-1,2-dichloroethylene cis-1,3-dichloropropene cis-1,4-dichloro-2-butene Crotonaldehyde Dibromofluoromethane Dichlorodifluoromethane (Freon-12) Epichlorohydrin ( 1-Chloro-2, 3-epoxypropane) Ethyl acetate Ethyl methacrylate Ethyl benzene..!j \!... UTAH DEPARTMENT OF 4431 South 2700 West Taylorsville, UT phone (801) fax (801) W'W'N. health. utah.gov/els/labimp/

16 EPA Number: Attachment to Certificate Number: Page 16 of20 Program/Matrix: RCRA (Solid & Hazardous Material) Ethylene oxide Ethyl-t-butylether (ETBE) (2-Ethoxy-2-methylpropane) Hexach lorobutad iene Hexachloroethane lodomethane (Methyl iodide) Isobutyl alcohol (2-Methyl-1-propanol) Isopropyl benzene Malononitrile Methacrylonitrile Methanol Methyl bromide (Bromomethane) Methyl chloride (Chloromethane) Methyl methacrylate Methyl tert-butyl ether (MTBE) Methylene chloride (Dichloromethane) Naphthalene n-butyl alcohol (1-Butanol, n-butanol) n-butylbenzene Nitrobenzene n-nitroso-di-n-butylamine n-propylamine n-propylbenzene Paraldehyde Pentachloroethane Pentafluorobenzene Propargyl alcohol Propionitrile (Ethyl cyanide) Pyridine sec-butyl benzene Styrene T-amylmethylether (TAME) tert-butyl alcohol tert-butylbenzene Tetrachloroethylene (Perch loroethylene) Toluene trans-1,2-dichloroethylene trans-1,3-dichloropropylene trans-1,4-dichloro-2-butene Trichloroethene (Trichloroethylene) Trichlorofluoromethane (Fiuorotrichloromethane, Freon 11) Vinyl acetate Vinyl chloride Xylene (total) Method EPA 8270C 1, 2, 4, 5-T etrach lorobenzene 1,2,4-Trichlorobenzene 1,2-Dichlorobenzene (a-dichlorobenzene) 1,2-Dinitrobenzene.!J \:... UTAH DEPARTMENT OF 4431 South 2700 West Taylorsville, UT phone (801 ) fax (801) vvww. health. utah.gov/els/labimp/

17 EPA Number: Attachment to Certificate Number: Page 17 of20 Program/Matrix: RCRA (Solid & Hazardous Material) 1,2-Diphenylhydrazine 1,3-Dichlorobenzene 1,3-Dinitrobenzene (1,3-DNB) 1 A-Dichlorobenzene 1,4-Dinitrobenzene 1 A-Naphthoquinone 1 A-Phenylenediamine 1-Acetyl-2-thiourea 1-Chloronaphthalene 1-Naphthylamine 2, 3, 4, 6-T etrach lorophenol 2A,5-Trichlorophenol 2A,6-Trichlorophenol 2A-Dichlorophenol 2A-Dimethylphenol 2A-Dinitrophenol 2A-Dinitrotoluene (2,4-DNT) 2A-Toluene diisocyanate 2, 6-Dichlorophenol 2,6-Dinitrotoluene (2,6-DNT) 2-Acetylaminofluorene 2-Chloroaniline 2-Chloronaphthalene 2-Chlorophenol 2 -Cyclohexyl-4, 6-d in itrophenol 2-Methyl-4,6-dinitrophenol (4,6-Dinitro-2-methylphenol) 2-Methylaniline (a-toluidine) 2-Methylnaphthalene 2-Methylphenol (a-cresol) 2-Nitroaniline 2-Nitrophenol 2-Picoline (2-Methylpyridine) 3,3'-Dichlorobenzidine 3,3'-Dimethoxybenzidine 3-Methylcholanthrene 3-Methylphenol (m-cresol) 3-Nitroaniline 4-Aminobiphenyl 4-Bromophenyl phenyl ether 4-Chloro-3-methylphenol 4-Chloroaniline 4-Chlorophenyl phenylether 4-Dimethyl aminoazobenzene 4-Methylphenol (p-cresol) 4-N itrophenol 5-Nitro-o-toluidine 7, 12-Dimethylbenz(a) anthracene a-a-dimethylphenethylamine Acenaphthene..!J ~ UTAH DEPARTMENT OF 4431 South 2700 West Taylorsville, UT phone (801 ) fax (801 ) W>NV>J. health. utah.gov/elsllabimp/

18 EPA Number: Attachment to Certificate Number: Page 18 of20 Calscience Environmental Laboratories, Inc. Start Date Expires Program/Matrix: RCRA (Solid & Hazardous Material) Acenaphthylene Acetophenone Aniline Anthracene Aramite Benzidine Benzo( a)anthracene Benzo( a) pyrene Benzo( b )fl uoranthene Benzo(g,h,i)perylene Benzo(k)fluoranthene Benzoic acid Benzyl alcohol bis(2-chloroethoxy)methane bis(2-chloroethyl) ether bis(2-chloroisopropyl) ether bis(2-ethylhexyl) phthalate (DEHP) Butyl benzyl phthalate Carbazole Chrysene Dibenz(a, j) acridine Dibenz(a,h) anthracene Dibenzo(a,e) pyrene Dibenzofuran Diethyl phthalate Diethyl sulfate Diethylstilbestrol Dihydrosafrole Di-n-butyl phthalate Di-n-octyl phthalate Diphenylamine Ethyl carbamate (Urethane) Ethyl methanesulfonate Fluoranthene Fluorene Hexachlorobenzene Hexachlorobutadiene Hexachlorocyclopentadiene Hexachloroethane Hexachlorophene Hexachloropropene lndeno(1,2,3-cd) pyrene lsophorone lsosafrole Maleic anhydride Methyl methanesulfonate Naphthalene Nicotine Nitrobenzene..!J \!... UTAH DEPARTMENT OF 4431 South 2700 West Taylorsville, UT phone (801 ) fax (801 ) \ft/in\n. health. utah. gov/els/labimp/

19 EPA Number: Attachment to Certificate Number: Page 19 of20 Program/Matrix: RCRA (Solid & Hazardous Material) n-nitrosodiethylamine n-nitrosodimethylamine n-n itroso-d i-n-butylamine n-n itrosod i-n-propylam i ne n-n itrosodi phenylam i ne n-n itrosomethylethalam ine n-nitrosomorpholine n-nitrosopiperidine n-nitrosopyrrolidine p-benzoquinone (Quinone) Pentach loron itrobenzene Pentachlorophenol Phenacetin Phenanthrene Phenol Pronamide (Kerb) Propylthiouracil Pyrene Pyridine Resorcinol Safrole Strychnine Thiophenol (Benzenethiol) Method EPA 8310 Acenaphthene Acenaphthylene Anthracene Benzo(a)anthracene Benzo( a) pyrene Benzo(b )fluoranthene Benzo(g,h,i)perylene Benzo(k)fluoranthene Chrysene Dibenz(a,h) anthracene Fluoranthene Fluorene lndeno(1,2,3-cd) pyrene Naphthalene Phenanthrene Pyrene Method EPA ,3,5-Trinitrobenzene (1,3,5-TNB) 1,3-Dinitrobenzene (1,3-DNB) 2,4,6-Trinitrotoluene (2,4,6-TNT) 2,4-Dinitrotoluene (2,4-DNT) 2,6-Dinitrotoluene (2,6-DNT) 2-Amino-4,6-dinitrotoluene (2-am-dnt) 2-Nitrotoluene..!J ~ UTAH DEPARTMENT OF 4431 South 2700 West Taylorsville, UT phone (801 ) fax (801 ) wwvv.health.utah.gov/els/labimp/

20 EPA Number: Attachment to Certificate Number: Page 20 of20 Program/Matrix: RCRA (Solid & Hazardous Material) 3-Nitrotoluene 4-Amino-2,6-dinitrotoluene (4-am-dnt) 4-Nitrotoluene Methyl-2,4,6-trinitrophenylnitramine (tetryl) Nitrobenzene Octahydro-1,3,5, 7 -tetranitro-1,3,5, 7 -tetrazocine (HMX) RDX (hexahydro-1,3,5-trinitro-1,3,5-triazine) Method EPA 9045C ph Method EPA 9056 Fluoride Method EPA H2S Test Method Reactive sulfide Method EPA HCN Test Method Reactive Cyanide The Utah Environmental Laboratory Certification Program (ELCP) encourages clients and data users to verify the most current certification letter for the authorized method. The analytes by method which a laboratory is authorized to perform at any given time will be those indicated in the most recent certificate letter. The most recent certification letter supersedes all previous certification or authorization letters. It is the certified laboratory's responsibility to review this letter for discrepancies. The certified laboratory must document any discrepancies in this letter and send notice to this bureau within 15 days of receipt. This certificate letter will be recalled in the event your laboratory's certification is revoked.!j ~ UTAH DEPARTMENT OF 4431 South 2700 West Taylorsville, UT phone (801 ) fax (801 ) 'NWIN.health.utah.gov/els/labimp/