Accredited Laboratory to conduct analysis within the fields of accreditations more fully described in the attached Scope of Accreditation

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1 pennsylvania DEPARTMENT OF ENVIRONMENTAL PROTECTION COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF LABORATORIES. LABORATORY ACCREDITATION PROGRAM Certifies That Phoenix Environmental Laboratories Inc 581 East Middle Tmnpike, Manchester, CT Having duly met the requirement of The act of June 29,2002 (P.L. 596, No. 90) dealing with Environmental Laboratories Accreditation (27 Pa. C.S ) and the National Environmental Laboratory Accreditation Program Standard is hereby approved as an Accredited Laboratory to conduct analysis within the fields of accreditations more fully described in the attached Scope of Accreditation Expiration Date: 11/30/2019 Certificate Number: 013 Continued accreditation status depends on successful ongoing participation in the program Certificate not transferable Surrender upon revocation To be conspicuously displayed at the Laboratory Not valid unless accompanied by a valid Scope of Accreditation Shall not be used to imply endorsement by the Commonwealth of Pennsylvania Customers are urged to verify the laboratory's current accreditation status PA DEP is a NELAP recognized accreditation body Aaren S. Alger, Chief Laboratory Accreditation Program Bureau of Laboratories

2 11!!11 pennsylvania ~ DEPARTMENT OF ENVIRONMENTAL PROTECTION Laboratory Scope of Accreditation Attached to Certificate of Accreditation 013-()01 expiration date November 30, This listing of accrediteciiiuiiytes should be used only when associated with a valid certificate of accreclitation. DEPLaboratory ID: 68~3530 I EPA Lab Code: CT00007 TNI Code: TNI01678 (860) Phoenix Environmental Laboratories Inc 587 East Middle Turnpike Manchester, CT Ma1rix: Non-Potable Water EPA 1664 A Oil and grease NELAP NY EPA Aluminum NELAP NY EPA Antimony NELAP NY EPA Arsenic NELAP NY EPA Barium NELAP NY EPA Beryllium NELAP NY EPA Boron NELAP NY EPA Cadmium NELAP NY EPA Calcium NELAP NY EPA Chromium NELAP NY EPA Cobalt NELAP NY EPA Copper NELAP NY EPA Iron NELAP NY EPA Lead NELAP NY EPA MagnesiJIDl NELAP NY EPA Manganese NELAP NY EPA Molybdenum NELAP NY EPA Nickel NELAP NY EPA Phosphorus, total NELAP NY EPA Potassium NELAP NY EPA Selenium NELAP NY EPA Silver NELAP NY EPA Sodium NELAP NY EPA Thallium NELAP NY EPA Tin NELAP NY EPA Titanium NELAP NY EPA Vanadium NELAP NY EPA Zinc NELAP NY EPA Aluminum NELAP NY EPA Antimony NELAP NY EPA Arsenic NELAP NY EPA Barium NELAP NY EPA Beryllium NELAP NY EPA Cadmium NELAP NY EPA Calcium NELAP NY EPA Chromium NELAP NY EPA Cobalt NELAP.. NY EPA Copper NELAP NY EPA Iron NELAP NY / / / / / / / / / / /2006 7/21/2017 7/21/2017 7/ / / / / /21/2017 7/ / / Accreditation Body. Customers are urged to verify 1he laboratory's current accreditation standing. Page 1 of20 Issue Date: 11/14/2018

3 pennsylvania._. PROTECTION f~ DEPARTMENT OF ENVIRONMENTAL Laboratory Scope of Accreditation Attached to Certificate of Accreditation expiration date November 30, This listing of accreditecl81181ytes should be used only when associated wi1h a valid certificate of accreditation. DEP Laboratory ID: EPA Lab Code: CT NI Code: 1NI01678 (860) EPA Lead NELAP NY 7/21/2017 EPA Magnesium NELAP NY 7/21/2017 EPA Manganese NELAP NY 7/21/2017 EPA Molybdenum NELAP NY 7/21/2017 EPA Nickel NELAP NY 7/21/2017 EPA Potassium NELAP NY 7/21/2017 EPA Selenium NELAP NY 7/21/2017 EPA Silver NELAP NY 7/21/2017 EPA Sodium NELAP NY 7/21/2017 EPA Thallium NELAP NY 7/21/2017 EPA Tin NELAP NY 7/21/2017 EPA Titanium NELAP NY 7/21/2017 EPA Vanadium NELAP NY 7/21/2017 EPA Zinc NELAP NY 7/21/2017 EPA Thallium NELAP NY 11/4/2010 EPA Mercury NELAP NY EPA Bromide NELAP NY EPA Chloride NELAP NY EPA Nitrate as N NELAP NY EPA Nitrite as N NELAP NY EPA Sulfate NELAP NY EPA 3005 A Preconcentration under acid NELAP NY 9/29/2008 EPA 3010 A Hot plate acid digestion (HN03 + HCl) NELAP NY 1/20/2010 EPA Total cyanide NELAP NY 1/20/2010 EPA AmmoniaasN NELAP NY EPA Kjeldahl nitrogen, total (TKN) NELAP NY EPA 3510 c Separatory funnel liquid-liquid extraction NELAP NY ' 9/29/2008 EPA 3520 c Continuous liquid-liquid extraction NELAP NY 9/29/2008 EPA Nitrate as N NELAP NY EPA Nitrite as N NELAP NY 11/4/2010 EPA420.4 Total phenolics NELAP NY 11/4/2010 EPA 5030 c Aqueous-phase purge-and-trap NELAP NY 9/20/2013 EPA 6010 Aluminum NELAP NY 11/16/2012 EPA 6010 Antimony NELAP NY 11/16/2012 EPA 6010 Arsenic NELAP NY 11/16/2012 EPA 6010 Barium NELAP NY 11/16/2012 EPA 6010 Beryllium NELAP NY 11/16/2012 EPA 6010 Boron NELAP NY 11/16/2012 EPA 6010 Cadmium NELAP NY 11/16/2012 EPA 6010 Calcium NELAP NY 11/16/2012 EPA6010 Chromium NELAP NY 11/16/2012 EPA6010 Cobalt NELAP NY 11/16/2012 EPA 6010 Copper NELAP NY 11/16/2012 EPA 6010 Iron NELAP NY 11116/2012 EPA 6010 Lead NELAP NY 11/16/2012 Accreditation Body. Customers.are urged to verify the laboratory's current accreditation standing. Page 2 of20 Issue Date: 11114/2018

4 ~ pennsylvania DEPARTMENT OF ENVIRONMENTAL PROTECTION Laboratory Scope of Accreditation Attached to Certificate of Accreditation expiration date November 30, This listing of accreclited ana1ytes EPA 6010 Magnesium NELAP NY 11116/2012 EPA 6010 Manganese NELAP NY 11116/2012 EPA 6010 D Metals by ICP/AES NELAP NY 10/ EPA6010 c Metals by ICP/AES NELAP NY 4/1/2013 EPA 6010 Molybdenum NELAP NY 11/16/2012 EPA 6010 Nickel NELAP NY 11116/2012 EPA 6010 Potassium NELAP NY 11116/2012 EPA 6010 Selenium NELAP NY 11116/2012 EPA 6010 Silver NELAP NY 11116/2012 EPA 6010 Sodium NELAP NY 11116/2012 EPA 6010 Strontium NELAP NY 11116/2012 EPA 6010 Thallium NELAP NY 11116/2012 EPA 6010 Tin NELAP NY 11116/2012 EPA6010 Titanium NELAP NY 11116/2012 EPA6010 Vanadium NELAP NY 11116/2012 EPA 6010 Zinc NELAP NY 11116/2012 EPA6020 Aluminum NELAP NY 7/ EPA6020 Antimony NELAP NY 7/21/2017 EPA 6020 Arsenic NELAP NY 7/21/2017 EPA6020 Barium NELAP NY 7/21/2017 EPA6020 Beryllium NELAP NY 7/21/2017 EPA 6020 Cadmium NELAP NY 7/ EPA6020 Calcium NELAP NY 7/ EPA6020 Chromium NELAP NY 7/21/2017 EPA 6020 Cobalt NELAP NY 7/ EPA 6020 Copper NELAP NY 7/21/2017 EPA6020 Gold NELAP NY 7/21/2017 EPA6020 Iron NELAP NY 7/21/2017 EPA6020 Lead NELAP NY 7/21/2017 EPA 6020 Magnesium NELAP NY 7/21/2017 EPA 6020 Manganese NELAP NY 7/ EPA6020 B Metals by ICP/MS NELAP NY 7/ EPA6020 Molybdenum NELAP NY 7/21/2017 EPA6020 Nickel NELAP NY 7/21/2017 EPA6020 Potassium NELAP NY 7/21/2017 EPA 6020 Selenium NELAP NY 7/21/2017 EPA6020 Silver NELAP NY 7/21/2017 EPA6020 Sodium, NELAP NY 7/21/2017 EPA6020 Thallium NELAP NY 7/21/2017 EPA 6020 Tin NELAP NY 7/21/2017 EPA6020 Titanium NELAP NY 7/21/2017 EPA6020 Vanadium NELAP NY 7/21/2017 EPA6020 Zinc NELAP NY 7/ EPA ,4'-DDD NELAP NY EPA ,4'-DDE NELAP NY Accreditation Body. Customers are urged to verify 1b.e laboratory's current accreclitation standing. Page 3 of20 Issue Date: 11/14/2018

5 pennsylvania,..., DEPARTMENT OF ENVIRONMENTAL.. PROTECTION Laboratory Scope of Accreditation Attached to Certificate of Accreditation expiration date November 30, This listing of accredited analytes EPA ,4'-DDT NELAP NY EPA608.3 Aldrin (HHDN) NELAP NY EPA Aroclor-1016 (PCB-1016) NELAP NY EPA Aroclor-1221 (PCB-1221) NELAP NY EPA Aroclor-1232 (PCB-1232) NELAP NY EPA Aroclor-1242 (PCB-1242) NELAP NY EPA608.3 Aroclor-1248 (PCB-1248) NELAP NY EPA Aroclor-1254 (PCB-1254) NELAP NY EPA Aroclor-1260 (PCB-1260) NELAP NY EPA608.3 Chlordane (tech.) NELAP NY EPA Dieldrin NELAP NY EPA Endosulfan I NELAP NY EPA Endosulfan II NELAP NY EPA Endosulfan sulfate NELAP NY EPA Endrin NELAP NY EPA608.3 Endrin aldehyde NELAP NY EPA608.3 Heptachlor NELAP NY EPA Heptachlor epoxide NELAP NY EPA Methoxychlor NELAP NY EPA Toxaphene (Chlorinated camphene) NELAP NY EPA608.3 alpha-bhc (alpha-hexachlorocyclohexane) NELAP NY EPA beta-bhc (beta-hexachlorocyclohexane) NELAP I NY EPA608.3 delta-bhc (delta-hexachlorocyclohexane) NELAP NY EPA608.3 gamma-bhc (Lindane, gamma- NELAP NY Hexachlorocyclohexane) EPA ,1, 1-Trichloroethane NELAP NY EPA , 1,2,2-Tetrachloroethane NELAP NY EPA ,1,2-Trichloro-1,2,2-trifluoroethane (Freon NELAP NY 113) EPA ,1,2-Trichloroethane NELAP NY EPA , 1-Dichloroethane NELAP NY EPA , 1-Dichloroethene ( 1, 1-Dichloroethylene) NELAP NY EPA ,2-Dichlorobenzene ( o-dichlorobenzene) NELAP NY EPA ,2-Dichloroethane NELAP NY EPA ,2-Dichloropropane NELAP NY EPA ,3-Dichlorobenzene (m-dichlorobenzene) NELAP NY EPA ,4-Dichlorobenzene (p-dichlorobenzene) NELAP NY EPA Chloroethyl vinyl ether NELAP NY EPA Acetone NELAP NY EPA Acrolein (Propenal) NELAP NY EPA624.1 Acrylonitrile NELAP NY EPA Benzene NELAP NY EPA Bromodichloromethane NELAP NY EPA Bromoform NELAP NY EPA Bromomethane (Methyl bromide) NELAP NY EPA Carbon tetrachloride NELAP NY 11114/ /5/2018 Accreditation Body. Customen are urged to verify the laboratory's current accreditation standing. Page 4 of20 Issue Date: 11/14/2018

6 ~ pennsylvania ~.. DEPARTMENT OF ENVIRONMENTAL PROTECTION Laboratory Scope of Accreditation Attached to Certificate of Accredi1ation expiration date November 30, This listing of accreclitecl analytes EPA Chlorobenzene NELAP NY EPA624.1 Chloroetpane NELAP NY EPA Chloroform NELAP NY EPA Chloromethane (Methyl chloride) NELAP NY EPA624.1 Dibromochloromethane NELAP NY EPA Dichlorodifluoromethane (Freon 12) NELAP NY EPA Ethyl benzene NELAP NY EPA Methyl tert-butyl ether (MTBE) NELAP NY EPA Methylene chloride (Dichloromethane) NELAP NY EPA Naphthalene NELAP NY 11114/2018 EPA Styrene NELAP NY EPA Tetrachloroethene (PCE, Perchloroethylene) NELAP NY EPA Toluene NELAP NY EPA Trichloroethene (TCE, Trichloroethylene) NELAP NY EPA Trichlorofluoromethane (Freon 11) NELAP NY EPA Vinyl chloride (Chloroethene) NELAP NY EPA624.1 Xylenes, total NELAP NY EPA cis-1,2-dichloroethene NELAP NY EPA cis-1,3-dichloropropene NELAP NY EPA m+p-xylene NELAP NY EPA624.1 o-xylene NELAP NY EPA trans-1,2-dichloroethene NELAP NY EPA traos-1,3-dichloropropene NELAP NY EPA ,2, 4-Trichlorobenzene NELAP.. NY EPA ,2'-oxybis( 1-Chloropropane) NELAP NY EPA ,4,5-Trichlorophenol NELAP NY EPA ,4,6-Trichlorophenol NELAP NY EPA ,4-Dichlorophenol NELAP NY EPA ,4-Dimethy1phenol NELAP NY EPA ,4-Dinitrophenol NELAP NY EPA ,4-Dinitrotoluene (2,4-DNT) NELAP NY EPA ,6-Dinitrotoluene (2,6-DNT) NELAP NY EPA Chloronaphthalene NELAP NY EPA Chlorophenol NELAP NY EPA Methyl-4,6-dinitrophenol ( 4,6-Dinitro-2- methyl phenol) NELAP NY EPA Methylphenol (o-cresol) NELAP NY EPA N itrophenol NELAP NY EPA Methylphenol (m+p-cresol) NELAP NY EPA ,3'-Dichlorobenzidine NELAP NY EPA Bromophenyl phenyl ether NELAP NY EPA Chloro-3-methylphenol NELAP NY EPA Chlorophenyl phenyl ether NELAP NY EPA N itrophenol NELAP NY EPA Acenaphthene NELAP NY EPA Acenaphthylene NELAP NY Accreditation Body. Customers are urged to verify the laboratory's current accreclitation standing. Page 5 of20 Issue Date: 11/14/2018

7 pennsylvania f~ DEPARTMENT OF ENVIRONMENTAL,... PROTECTION Laboratory Scope of Accreditation Attached to Certificate of Accreditation expiration date November 30,2019. 'Ibis listing of accredited analytes DEP Laboratory ID: EPA Lab Code: CT00007 TNI Code: TN (860) EPA Aniline NELAP NY EPA Anthracene NELAP NY EPA Benzidine NELAP NY EPA Benzo[ a]anthracene NELAP NY EPA625.1 Benzo[a]pyrene NELAP NY EPA Benzo[b ]fluoranthene NELAP NY EPA Benzo[ghi]perylene NELAP NY EPA625.1 Benzo[k ]fluoranthene NELAP NY EPA Butyl benzyl phthalate (Benzyl butyl NELAP NY phthalate) EPA Carbazole NELAP NY EPA Chrysene (Benzo[ a ]phenanthrene) NELAP NY EPA Cresols (total) NELAP NY EPA Di-n-butyl phthalate NELAP NY EPA Di-n-octyl phthalate NELAP NY EPA Dibenzo[ a,h ]anthracene NELAP NY EPA625.1 Diethyl phthalate NELAP NY EPA Dimethyl phthalate NELAP NY EPA625.1 Fluoranthene NELAP NY EPA Fluorene NELAP NY EPA Hexachlorobenzene NELAP NY EPA Hexachlorobutadiene (I,3- NELAP NY Hexachlorobutadiene) EPA625.1 Hexachlorocyclopentadiene NELAP NY EPA Hexachloroethane NELAP NY EPA625.1 Indeno( 1,2,3-cd)pyrene NELAP NY EPA lsophorone NELAP NY EPA625.1 N-Nitrosodi-n-propylamine NELAP NY EPA N-Nitrosodimethylamine NELAP NY EPA N-Nitrosodiphenylamine NELAP NY EPA Naphthalene NELAP NY EPA Nitrobenzene NELAP NY EPA Pentachlorophenol (PCP) NELAP NY EPA Phenanthrene NELAP NY EPA Phenol NELAP NY EPA Pyrene NELAP NY EPA Pyridine NELAP NY EPA alpha-terpineol NELAP NY EPA bis(2-chloroethoxy )methane NELAP NY EPA bis(2-chloroethyl) ether NELAP NY EPA bis(2-ethylhexyl) phthalate (DEHP) NELAP NY EPA 7010 Antimony NELAP NY EPA 7010 Arsenic NELAP NY EPA 7010 Cadmium NELAP NY EPA 7010 Lead NELAP NY EPA 7010 Selenium NELAP NY 12/2/ /2/ /2/ /2/ /2/2014 The Pennsylvania Department ofbnvironmental Protection Laboratory Accreditation Program is a NELAP recognized Accreditation Body. Customers are urged to verify the laboratory's current accreditation standing. Page 6 of20 Issue Date: 11114/2018

8 l:if DEPARTMENT OF'ENVIRONMENTAL PROTECTION Laboratory Scope of Accreditati9n Attached to Certificate of Accreditation expiration date November 30, This listing of accreditecl analytes DEP Laboratory ID: EPA Lab Code: CT00007 TNI Code: TN (860) ~ pennsylvania EPA 7010 Silver NELAP NY 12/2/2014 EPA 7010 Thallium NELAP NY 12/2/2014 EPA 7196 A Chromium VI NELAP NY 4/1/2013 EPA 7470 A Mercury NELAP NY 4/1/2013 EPA ,2-Dibromo-3-chloropropane (DBCP, NELAP NY 8/11/2011 Dibromochloropropane) EPA ,2-Dibromoethane (EDB, Ethylene NELAP NY 8/11/2011 dibromide) EPA 8015 Diesel-range organics (ORO) NELAP NY 11/14/2013 EPA80.15 Ethanol NELAP NY 11/16/2012 EPA 8015 Ethylene glycol NELAP NY 10/31/2016 EPA 8015 Gasoline-range organics (GRO) NELAP NY 11/14/2013 EPA 8015 Isobutyl alcohol (2-Methyl-1-propanol) NELAP NY 1/20/2010 EPA 8015 D Nonhalogenated organics by GC/FID NELAP NY 11/14/2013 EPA ,4'-DDD NELAP NY EPA ,4'-DDE NELAP NY EPA ,4'-DDT NELAP NY EPA 8081 Aldrin (HHDN) NELAP NY EPA 8081 Chlordane (tech.) NELAP NY EPA 8081 Dieldrin NELAP NY EPA 8081 Endosulfan I NELAP NY EPA 8081 Endosulfan II NELAP NY EPA 8081 Endosulfan sulfate NELAP NY EPA 8081 Endrin 1 NELAP NY EPA 8081 Endrin aldehyde NELAP NY EPA 8081 Endrin ketone NELAP NY 11/4/2010 EPA 8081 Heptachlor NELAP NY EPA 8081 Heptachlor epoxide NELAP NY EPA 8081 Methoxychlor NELAP NY EPA 8081 B Organochlorine pesticides by GC/ECD NELAP NY 11/14/2013 EPA 8081 Toxaphene (Chlorinated camphene) NELAP NY EPA 8081 alpha-bhc (alpha-hexachlorocyclohexane) NELAP NY EPA 8081 alpha-chlordane NELAP NY 11/16/2012 EPA 8081 beta-bhc (beta-hexachlorocyclohexane) NELAP NY EPA 8081 delta-bhc (delta-hexachlorocyclohexane) NELAP NY EPA 8081 gamma-bhc (Lindane, gamma- NELAP NY Hexachlorocyclohexane) EPA ,2',3,3',4,4',5,5',6-Nonachlorobiphenyl (BZ NELAP NY 11/14/ ) EPA ,2',3,3',4,4',5,6-0ctachlorobiphenyl (BZ NELAP NY 11/14/ ) EPA ,2',3,3',4,4',5-Heptachlorobiphenyl (BZ NELAP NY 11/14/ ) EPA ,2',3,3',4,4'-Hexachlorobiphenyl (BZ 128) NELAP NY 11/14/2018 EPA ,2',3,4',5,5',6-Heptachlorobiphenyl (BZ NELAP NY 11/14/ ) The Pennsylvania Department ofenv 'onmental Protection Laboratory Accreditation Program is a NELAP recognized Accreditation Body. Customers are urged to verify the laboratory's current accreditation standing. Page 7 of20 Issue Date: 11/14/2018

9 pennsylvania r~ DEPARTMENT OF ENVIRONMENTAL.,. PROTECTION Laboratory Scope of Accreditation Attached to Certificate of Accreditation expiration date November 30, This listing of accredited ana1ytes DEP Laboratory ID: EPA Lab Code: CT00007 TNI Code: TN (860) EPA ,2',3,4,4',5',6-Heptachlorobiphenyl (BZ NELAP NY 11114/ ) EPA ,2',3,4,4',5'-Hexachlorobiphenyl (BZ 138) NELAP NY 11114/2018 EPA ,2',3,4,4',5,5'-Heptachlorobiphenyl (BZ NELAP NY 11114/ ) EPA ,2',3,4,4',6,6'-Heptach1orobiphenyl (BZ NELAP NY 11114/ ) EPA ,2',3,4,5'-Pentachlorobiphenyl (BZ 87) NELAP NY 11114/2018 EPA ,2',3,5'-Tetrachlorobiphenyl (BZ 44) NELAP NY 11114/2018 EPA ,2',4,4',5,5'-Hexachlorobiphenyl (BZ 153) NELAP NY 11114/2018 EPA ,2',4,5'-Tetrachlorobiphenyl (BZ 49) NELAP NY 11114/2018 EPA ,2',4,5,5'-Pentachlorobiphenyl (BZ 101) NELAP NY 11/14/2018 EPA ,2',5,5'-Tetrachlorobiphenyl (BZ 52) NELAP NY 11114/2018 EPA ,2',5-Trichlorobiphenyl (BZ 18) NELAP NY 11114/2018 EPA ,3',4,4',5-Pentachlorobiphenyl (BZ 118) NELAP NY 11114/2018 EPA ,3',4,4'-Tetrachlorobiphenyl (BZ 66) NELAP NY 11114/2018 EPA ,3,3',4,4'-Pentachlorobiphenyl (BZ 105) NELAP NY 11114/2018 EPA ,4'-Dichlorobiphenyl (BZ 8) NELAP NY 11114/2018 EPA ,4,4'-Trichlorobiphenyl (BZ 28) NELAP NY 11114/2018 EPA 8082 Aroclor-1016 (PCB-1016) NELAP NY 11121/2006 EPA 8082 Aroclor-1221 (PCB-1221) NELAP NY 11121/2006 EPA 8082 Aroclor-1232 (PCB-1232) NELAP NY EPA 8082 Aroclor-1242 (PCB-1242) NELAP NY 11121/2006 EPA 8082 Aroclor-1248 (PCB-1248) NELAP NY EPA 8082 Aroclor-1254 (PCB-1254) NELAP NY EPA 8082 Aroclor-1260 (PCB-1260) NELAP NY 11121/2006 EPA 8082 Decachlorobiphenyl NELAP NY 11114/2018 EPA 8082 A PCBs by GC/ECD NELAP NY 11114/2013 EPA 8141 Atrazine NELAP NY 11/16/2012 EPA 8141 Azinphos-methyl (Guthion) NELAP NY 11116/2012 EPA 8141 Diazinon (Spectracide) NELAP NY 11116/2012 EPA 8141 Disulfoton NELAP NY 11116/2012 EPA 8141 Malathion NELAP NY EPA 8141 B Organophosphorus compounds by GCINPD NELAP NY 11114/2013 EPA 8141 Simazine NELAP NY 1120/2010 EPA ,4,5-T NELAP NY 11121/2006 EPA ,4,5-TP (Silvex) NELAP NY 11/ EPA ,4-D NELAP NY EPA ,4-DB (Butoxon) NELAP NY 11/4/2010 EPA 8151 A Chlorinated herbicides by GC/ECD NELAP NY 11114/2013 EPA 8151 Dalapon (2,2-Dichloropropionic acid) NELAP NY 1120/2010 EPA 8151 Dicamba NELAP NY EPA 8151 Dichloroprop (Dichlorprop) NELAP NY 11116/2012 EPA 8151 Dinoseb (2-sec-Butyl-4,6-dinitrophenol, NELAP NY 1120/2010 DNBP) EPA , 1, 1,2-Tetrachloroethane NELAP NY 1120/2010 Accreditation Body. Customers are urged to verify 1b.e laboratory's current accreditation standing. Page 8 of20 Issue Date: 11/14/2018

10 I DEPARTMENT ll!!6f pennsylvania OF ENVIRONMENTAL PROTECTION 1 Laboratory Scope of Accreditation Attached to Certificate of Accreditation expiration date November 30, This listing of accredited amdytes DEP Laboratoey ID: EPA Lab Code: CT NI Code: TNI01678 (860) EPA ,1, 1-Trichloroethane NELAP NY EPA , I,2,2-Tetrachloroethane NELAP NY Il/21/2006 EPA ,1,2-Trichloroethane NELAP NY Il/21/2006 EPA , 1-Dichloroethane NELAP NY Il/21/2006 EPA 8260 I, 1-Dichloroethene (I, 1-Dichioroethyiene) NELAP NY Il/21/2006 EPA , 1-Dichloropropene NELAP NY 11/4/2010 EPA ,2,3-Trichlorobenzene NELAP NY 11/4/2010 EPA ,2,3-Trichloropropane ( 1,2,3-TCP) NELAP NY 11/4/2010 EPA ,2,4-Trichlorobenzene NELAP NY 11/16/2012 EPA ,2,4-Trimethylbenzene NELAP NY 11/4/2010 EPA ,2-Dibromo-3-chloropropane (DBCP, Dibromochloropropane) NELAP NY 1/20/2010 EPA ,2-Dibromoethane (EDB, Ethylene dibromide) NELAP NY 1/20/2010 EPA ,2-Dichlorobenzene ( o-dichlorobenzene) NELAP NY EPA ,2-Diclt1oroethane NELAP NY EPA ,2-Dichloropropane NELAP NY EPA ,3,5-Trimethylbenzene NELAP NY 1/20/2010 EPA 8260 I,3-Dichlorobenzene (m-dichlorobenzene) NELAP NY II/21/2006 EPA ,3-Dichloropropane NELAP NY 1/20/2010 EPA ,4-Dichlorobenzene (p-dichlorobenzene) NELAP NY 11/2I/2006 EPA ,4-Dioxane ( 1,4-Diethyleneoxide) NELAP NY 1/20/2010 EPA ,2-Dichloropropane NELAP NY 1/20/20IO EPA Butanone (Methyl ethyl ketone, MEK) NELAP NY Il/21/2006 EPA Chloroethyl vinyl ether NELAP NY II/21/2006 EPA Chlorotoluene NELAP NY II/4/20IO EPA Hexanone NELAP NY Il/I6/20I2 EPA Chlorotoluene NELAP NY II/4/20IO EPA Methyl-2-pentanone (MIBK) NELAP NY Il/I6/20I2 EPA 8260 Acetone NELAP NY Il/4/20IO EPA 8260 Acrolein (Propenal) NELAP NY II/21/2006 EPA 8260 Acrylonitrile NELAP NY Il/2I/2006 EPA 8260 Benzene NELAP NY II/21/2006 EPA 8260 Bromo benzene NELAP NY II/16/2012 EPA 8260 Bromochloromethane NELAP NY I/20/2010 EPA 8260 Bromodichloromethane NELAP NY Il/21/2006 EPA 8260 Bromoform NELAP NY I0/5/20I8 EPA 8260 Bromomethane (Methyl bromide) NELAP NY EPA 8260 Carbon disulfide NELAP NY 1/20/20IO EPA 8260 Carbon tetrachloride NELAP NY Il/21/2006 EPA 8260 Chlorobenzene NELAP NY Il/21/2006 EPA 8260 Chloroform NELAP NY Il/21/2006 EPA 8260 Chloromethane (Methyl chloride) NELAP NY II/21/2006 EPA 8260 Cyclohexane NELAP NY 11/I6/20I2 EPA 8260 Dibromqchloromethane NELAP NY Il/21/2006 EPA 8260 Dibromomethane NELAP NY l/20/20io The Pennsylvania Department of Environmental Protection Laboratoey Accreditation Program is a NELAP recognized Accreditation Body. Customers are urged to verify the laboratory's current accreditation standing. Page 9 of20 Issue Date: 11/14/2018

11 pennsylvania J~ DEPARTMENT OF ENVIRONMENTAL.,. PROTECTION Laboratory Scope of Accreditation Attached to Certificate of Accreditation expiration date November 30, This listing of accredited analytes Mattix: Non-Potable Water EPA 8260 Dichlorodifluoromethane (Freon 12) NELAP NY 11/ EPA 8260 Diisopropy I ether (DIP E) NELAP NY 11116/2012 EPA 8260 Ethanol NELAP NY 1120/2010 EPA 8260 Ethyl benzene NELAP NY 11/ EPA 8260 Hexachlorobutadiene ( 1,3- Hexachlorobutadiene) NELAP NY 11116/2012 EPA 8260 Isopropylbenzene (Cumene) NELAP NY 1114/2010 EPA 8260 Methyl tert-butyl ether (MTBE) NELAP NY 1/20/2010 EPA 8260 Methylcyclohexane NELAP NY 11116/2012 EPA 8260 Methylene chloride (Dichloromethane) NELAP NY EPA 8260 Naphthalene NELAP NY 11/16/2012 EPA 8260 Styrene NELAP NY 1120/2010 EPA 8260 Tetrachloroethene (PCE, Perchloroethylene) NELAP NY EPA 8260 Toluene NELAP NY EPA 8260 Trichloroethene (TCE, Trichloroethylene) NELAP NY EPA 8260 Trichlorofluoromethane (Freon 11) NELAP NY 11/ EPA 8260 c VOCs by GC/MS NELAP NY 11114/2013 EPA 8260 Vinyl acetate NELAP NY 1/20/2010 EPA 8260 Vinyl chloride (Chloroethene) NELAP NY 11/ EPA 8260 Xylenes, total NELAP NY 11121/2006 EPA 8260 cis-1,2-dichloroethene NELAP NY 1120/2010 EPA 8260 cis-1,3-dichloropropene NELAP NY EPA 8260 n-butylbenzene NELAP NY 1/20/2010 EPA 8260 n-propylbenzene NELAP NY 1120/2010 EPA 8260 sec-butyl benzene NELAP NY 1120/2010 EPA 8260 tert-amyl methyl ether (TAME) NELAP NY 11116/2012 EPA 8260 tert-butyl alcohol (2-Methyl-2-propanol) NELAP NY 1120/2010 EPA 8260 tert-butyl benzene NELAP NY 1114/2010 EPA 8260 trans-1,2-dichloroethene NELAP NY 11121/2006 EPA 8260 trans-1,3-dichloropropene NELAP NY 11121/2006 EPA 8260 trans-1,4-dichloro-2-butene NELAP NY 1120/2010 EPA ,2,4,5-Tetrachlorobenzene NELAP NY 11116/2012 EPA ,2,4-Trichlorobenzene NELAP NY EPA ,2-Dichlorobenzene ( o-dichlorobenzene) NELAP NY 11116/2012 EPA ,2-Diphenylhydrazine NELAP NY 11116/2012 EPA ,3-Dichlorobenzene (m-dichlorobenzene) NELAP NY 11116/2012 EPA ,4-Dichlorobenzene (p-dichlorobenzene) NELAP NY 11116/2012 EPA ,4-Dioxane (1,4-Diethyleneoxide) NELAP NY 11114/2018 EPA ,2'-0xybis( 1-chloropropane) (bis(2-chloro- 1-methylethyl) ether) NELAP NY 12/10/2015 EPA ,3,4,6-Tetrachlorophenol NELAP NY 11116/2012 EPA ,4,5-Trichlorophenol NELAP NY EPA ,4,6-Trichlorophenol NELAP NY 11/ EPA ,4-Dichlorophenol NELAP NY 11/ EPA ,4-Dimethylphenol NELAP NY EPA ,4-Dinitrophenol NELAP NY 11116/2012 The Pennsylvania Department ofenvironm.ental Protection Laboratory Accreditation Program is a NELAP recognized Accreditation Body. Customers are urged to verify the laboratory's current accreditation standing. Page 10 of20 Issue Date: 11/14/2018

12 Laboratory Scope of Accreditation AUachecl to Certificate of Accreditation expiration date November 30, This listins of accredited aualytes ~ pennsylvania lif DEPARTMENT OF ENVIRONMENTAL PROTECTION Method Revision Analyte Accreditation Type Primary Effective Date EPA8270 2,4-Dinitrotoluene (2,4-DNT) NELAP NY I112I/2006 EPA8270 2,6-Dinitrotoluene (2,6-DNT) NELAP NY I EPA Chloronaphthalene NELAP NY I EPA Chlorophenol NELAP NY I112I/2006 EPA Methyl-4,6-dinitrophenol ( 4,6-Dinitro-2- methyl phenol) NELAP NY II/2I/2006 EPA Methylnaphthalene NELAP NY I11I6/20I2 EPA Methylphenol (o-cresol) NELAP NY I114/20IO EPA Nitroaniline NELAP NY I11I6/20I2 EPA N itrophenol NELAP NY II/2I/2006 EPA Methyiphenol (m+p-cresol) NELAP NY II/I6/20I2 EPA ,3' -Dichlorobenzidine NELAP NY I EPA N itroaniline NELAP NY II/16/20I2 EPA Bromophenyi phenyl ether NELAP NY I EPA Chloro-3-methylphenoi NELAP NY II/2I/2006 EPA Chloroaniline NELAP NY I11I6/20I2 EPA Chlorophenyl phenyl ether NELAP NY I EPA N itroaniline NELAP NY I11I6/20I2 EPA Nitrophenol NELAP NY I EPA 8270 Acenaphthene NELAP NY I EPA 8270 Acenaphthyiene NELAP NY I112I/2006 EPA 8270 Acetophenone NELAP NY I11I6/20I2 EPA 8270 Aniline NELAP NY II/I6/20I2 EPA 8270 Anthracene NELAP NY I112I/2006 EPA 8270 Benzidine NELAP NY II/2I/2006 EPA 8270 Benzo[ a]anthracene NELAP NY I EPA 8270 Benzo[a]pyrene NELAP NY I EPA 8270 Benzo[b ]fluoranthene NELAP NY II/2I/2006 EPA 8270 Benzo[ghi]perylene NELAP NY I112I/2006 EPA 8270 Benzo[k ]fluoranthene NELAP NY I112I/2006 EPA 8270 Benzoic acid NELAP NY II/I6/20I2 EPA 8270 Benzyl alcohol NELAP NY I11I6/20I2 EPA 8270 Benzyl butyl phthalate (Butyl benzyl phthalate) NELAP NY II/21/2006 EPA 8270 Carbazole NELAP NY I/20/20IO EPA 8270 Chrysene (Benzo[ a ]phenanthrene) NELAP NY I EPA 8270 Di-n-butyl phthalate NELAP NY II/ EPA 8270 Di-n-octyl phthalate NELAP NY. I112I/2006 EPA 8270 Dibenzo[ a,h ]anthracene NELAP NY I EPA 8270 Dibenzofuran NELAP NY 1120/2010 EPA 8270 Diethyl phthalate NELAP NY 1120/2010 EPA 8270 Dimethyl phthalate NELAP NY II/2I/2006 EPA 8270 Fiuoranthene NELAP NY EPA 8270 Fluorene NELAP NY I EPA 8270 Hexachlorobenzene NELAP NY II/ Accreditation Body. Customen are urged to verify the laboratory's current accreditation standing. Page II of20 Issue Date: 11/14/2018

13 pennsylvania r~ DEPARTMENT OF ENVIRONMENTAL.,. PROTECTION Laboratory Scope of Accreditation Attached to Certificate of Accreditation expiration date November 30, 'Ibis listing of accredited analytes EPA 8270 Hexachlorobutadiene ( 1,3- NELAP NY Hexachlorobutadiene) EPA 8270 Hexachlorocyclopentadiene NELAP NY EPA 8270 Hexachloroethane NELAP NY EPA 8270 Indeno( 1,2,3-cd)pyrene NELAP NY EPA 8270 Isophorone NELAP NY EPA 8270 N-Nitrosodi-n-propylamine NELAP NY EPA 8270 N-Nitrosodimethylamine NELAP NY EPA 8270 N-Nitrosodiphenylamine NELAP NY EPA 8270 Naphthalene NELAP NY EPA 8270 Nitrobenzene NELAP NY EPA 8270 Parathion, ethyl (Ethyl parathion, Parathion) NELAP NY 10/28/2015 EPA 8270 Pentachlorophenol (PCP) NELAP NY EPA 8270 Phenanthrene NELAP NY EPA 8270 Phenol NELAP NY EPA 8270 Pyrene NELAP NY EPA 8270 Pyridine NELAP NY EPA 8270 D SOCs by GC/MS NELAP NY 11/14/2013 EPA 8270 bis(2-chloroethoxy )methane NELAP NY EPA 8270 bis(2-chloroethyl) ether NELAP NY EPA 8270 bis(2-ethylhexyl) phthalate (DEHP) NELAP NY EPA 8270 SIM 1,4-Dioxane (1,4-Diethyleneoxide) NELAP NY 11/14/2018 EPA 8270 SIM Acenaphthene NELAP NY 3/9/2016 EPA 8270 SIM Acenaphthylene NELAP NY 3/9/2016 EPA 8270 SIM Anthracene NELAP NY 3/9/2016 EPA 8270 SIM Benzo[ a ]anthracene NELAP NY 3/9/2016 EPA 8270 SIM Benzo[a]pyrene NELAP NY 3/9/2016 EPA 8270 SIM Benzo[b ]fluoranthene NELAP NY 3/9/2016 EPA 8270 SIM Benzo[ghi]perylene NELAP NY 3/9/2016 EPA 8270 SIM Benzo[k ]fluoranthene NELAP NY 3/9/2016 EPA 8270 SIM Chrysene (Benzo[ a ]phenanthrene) NELAP NY 3/9/2016 EPA 8270 SIM Dibenzo[ a,h ]anthracene NELAP NY 3/9/2016 EPA 8270 SIM Fluoranthene NELAP NY 3/9/2016 EPA 8270 SIM Fluorene NELAP NY 3/9/2016 EPA 8270 SIM Indeno( 1,2,3-cd)pyrene NELAP NY 3/9/2016 EPA 8270 SIM Naphthalene NELAP NY 3/9/2016 EPA 8270 SIM Phenanthrene NELAP NY 3/9/2016 EPA 8270 SIM Pyrene NELAP NY 3/9/2016 EPA 8315 A Carbonyl compounds by HPLC NELAP NY 11/14/2013 EPA 8315 Formaldehyde NELAP NY 11/16/2012 EPA 9070 A Oil and grease NELAP NY 11/14/2013 SM2120B Color NELAP NY 9/26/2007 SM2130B Turbidity NELAP NY 11/4/2010 SM2310B Acidity as CaC03 NELAP NY SM2320B Alkalinity as CaC03 NELAP NY SM 2510 B Conductivity NELAP NY The Pennsylvania Department of Environmental Protection Laboratory Accreditation Program is a NELAP recognizee~ Accreditation Body. Customers are urged to verify the laboratory's current accreditation standing. Page 12 of20 Issue Date: 11/14/2018

14 ~ pennsylvania,.., DEPARTMENT OF ENVIRONMENTAL PROTECTION Laboratory Scope of Accreditation Attached to Certificate of Accreditation expiration date November 30, This listing of accredited ana1ytes should be used only when associated widl a valid certificate of accreditation. DEP Laboratory ID: EPA Lab Code: CT00007 TNI Code: TN (860) SM2540B Residue, total NELAP NY SM2540C Residue, filterable (IDS) NELAP NY SM2540D Residue, nonfilterable (TSS) NELAP NY 11121/2006 SM2540E Residue, volatile NELAP NY 10/28/2015 SM2540F Residue, settleable NELAP NY 1120/2010 SM3113B Antimony NELAP NY SM 3113 B Arsenic NELAP NY SM 3113 B Lead NELAP NY 11121/2006 SM 3113 B Selenium NELAP NY 11/ SM 3113 B Silver NELAP NY 9/26/2007 SM3500-CrB Chromium VI NELAP NY 4/1/2014 SM 4500-Cl- E Chloride NELAP NY 11121/2006 SM4500-PB Preliminary treatment of phosphate samples NELAP NY 11114/2013 SM4500-PE Orthophosphate as P NELAP NY SM4500-PE Phosphorus, total NELAP NY 11121/2006 SM4500-PG Orthophosphate as P NELAP NY 7/21/2017 SM4500-S D Sulfide NELAP NY 11116/2012 SM 4500-S04 D Sulfate NELAP NY 9/26/2007 SM 5210 B Biochemical oxygen demand (BOD) NELAP NY 9/26/2007 SM 5210 B Carbonaceous BOD (CBOD) NELAP NY 11/ SM 5220 D Chemical oxygen demand (COD) NELAP NY 11121/2006 SM 5310 B Total organic carbon (TOC) NELAP NY 11114/2018 SM 5540C Surfactants as MBAS NELAP NY 11121/2006 Matrix: Solid and Chemical Materials Method Revision ~ Accreditation Type Primary Effective Date EPA 1010 A lgnitability NELAP NY 4/ EPA 1311 Toxicity characteristic leaching procedure (TCLP) NELAP NY EPA 1312 Synthetic precipitation leaching procedure (SPLP) NELAP NY 1114/2010 EPA 3050 B Acid digestion of solids NELAP NY 9/26/2007 EPA 3051 A Microwave digestion of solids (HN03 + HCI) NELAP NY 10/31/2016 EPA 3060 A Alkaline digestion ofcr(vi) NELAP NY 3/30/2010 EPA 3540 c Soxhlet extraction NELAP NY 1120/2010 EPA 3545 A Pressurized fluid extraction (PFE) NELAP NY 11116/2012 EPA 3550 c Ultrasonic extraction NELAP NY 9/20/2013 EPA 3580 A Waste dilution NELAP NY 9/26/2007 EPA 5021 Equilibrium headspace NELAP NY 11116/2012 EPA 5035 A Closed-system purge-and-trap (bisulfate option) NELAP NY 411/2013 EPA 5035 A Closed-system purge-and-trap (methanol option) NELAP NY 411/2013 EPA 5035 A Closed-system purge-and-trap ( unpreserved) NELAP NY 4/ Accreditation Body. Customen are urged to verify the laboratory's current accreditation standing. Page 13 of20 Issue Date: 11/14/2018

15 pennsylvania r~ DEPARTMENT OF ENVIRONMENTAL.,. PROTECTION Laboratory Scope of Accreditation Attached to Certificate of Accreditation expiration date November 30,2019. This listing of accredited ana1ytes Matrix: Solid and Chemical Materials EPA 6010 Aluminum NELAP NY 11116/2012 EPA 6010 Antimony NELAP NY 11116/2012 EPA 6010 Arsenic NELAP NY 11116/2012 EPA 6010 Barium NELAP NY 11/16/2012 EPA 6010 Beryllium NELAP NY 11/16/2012 EPA 6010 Boron NELAP NY 11116/2012 EPA 6010 Cadmium NELAP NY 11116/2012 EPA 6010 Calcium NELAP NY 11116/2012 EPA 6010 Chromium NELAP NY 11/16/2012 EPA 6010 Cobalt NELAP NY 11/16/2012 EPA 6010 Copper NELAP NY 11/16/2012 EPA 6010 Iron NELAP NY 11116/2012 EPA 6010 Lead NELAP NY 11/16/2012 EPA 6010 Magnesium NELAP NY 11/16/2012 EPA 6010 Manganese NELAP NY 11/16/2012 EPA 6010 c Metals by ICP/AES NELAP NY 4/l/2013 EPA 6010 D Metals by ICP/AES NELAP NY 10/31/2016 EPA 6010 Molybdenum NELAP NY 11/16/2012 EPA 6010 Nickel NELAP NY 11/16/2012 EPA 6010 Potassium NELAP NY 11/16/2012 EPA 6010 Selenium NELAP NY 11/16/2012 EPA 6010 Silver NELAP NY 11116/2012 EPA 6010 Sodium NELAP NY 11/16/2012 EPA 6010 Strontium NELAP NY 1114/2010 EPA 6010 Thallium NELAP NY 11116/2012 EPA 6010 Tin NELAP NY 11116/2012 EPA 6010 Titanium NELAP NY 11/16/2012 EPA 6010 Vanadium NELAP NY 11116/2012 EPA 6010 Zinc NELAP NY 11116/2012 EPA Reactive cyanide NELAP PA 10/ EPA Reactive sulfide NELAP PA 10/ EPA 7196 A Chromium VI NELAP NY 4/l/2013 EPA 7471 B Mercury NELAP NY 4/l/2013 EPA 8015 Diesel-range organics (ORO) NELAP NY 1114/2010 EPA 8015 Ethylene glycol NELAP NY 11/4/2010 EPA 8015 Gasoline-range organics (GRO) NELAP NY 1114/2010 EPA 8015 Isobutyl alcohol (2-Methyl-1-propanol) NELAP NY 11114/2018 EPA 8015 D Nonhalogenated organics by GC/FID NELAP NY 11114/2013 EPA ,4'-DDD NELAP NY EPA ,4'-DDE NELAP NY EPA ,4'-DDT NELAP NY EPA 8081 Aldrin (HHDN) NELAP NY 11/ EPA 8081 Chlordane (tech.) NELAP NY 11/ EPA 8081 Dieldrin NELAP NY 11/ EPA 8081 Endosulfan I NELAP NY Accreditation Body. Customers are urged to vemy 1he laboratory's current accreditation standing. Page 14 of20 Issue Date: 11/14/2018

16 1!!1! pennsylvania,.. DEPARTMENT OF ENVIRONMENTAL PROTECTION Laboratory Scope of Accreditation A.aachecl to Certificate of Accnditation expiration date November 30,2019. This listing of accredited amalytes should be~ only when associatecl with a valid certificate of accreditation. Ma1rix: Solid and Chemical Materials EPA 8081 Endosulfan II NELAP NY ll/21/2006 EPA 8081 Endosulfan sulfate NELAP NY EPA 8081 Endrin NELAP NY EPA 8081 Endrin aldehyde NELAP NY EPA 8081 Endrin ketone NELAP NY 11/4/2010 EPA 8081 Heptachlor NELAP NY EPA 8081 Heptachlor epoxide NELAP NY ll/21/2006 EPA 8081 Methoxychlor NELAP NY ll/ EPA 8081 Mirex NELAP NY 10/31/2016 EPA 8081 B Organochlorine pesticides by GC/ECD NELAP NY 11/14/2013 EPA 8081 Toxaphene (Chlorinated camphene) NELAP NY EPA 8081 alpha-bhc (alpha-hexachlorocyclohexane) NELAP NY EPA 8081 alpha-chlordane NELAP.. NY ll/16/2012 EPA 8081 beta-bhc (beta-hexachlorocyclohexane) NELAP NY EPA 8081 delta-bhc (delta-hexachlorocyclohexane) NELAP NY EPA 8081 gamma-bhc (Lindane, gamma- NELAP NY 11/ Hexachlorocyclohexane) EPA 8081 gamma-chlordane NELAP NY 11/16/2012 EPA ,2',3,3',4,4',5,5',6-Nonachlorobiphenyl (BZ NELAP NY 11/14/ ) EPA ,2',3,3',4,4',5,6-0ctachlorobiphenyl (BZ NELAP NY 11/14/ ) EPA ,2',3,3',4,4',5-Heptachlorobiphenyl (BZ NELAP NY 11/14/ ) EPA ,2',3,3',4,4'-Hexachlorobiphenyl (BZ 128) NELAP NY 11/14/2018 EPA ,2',3,4',5,5',6-Heptachlorobiphenyl (BZ NELAP NY 11/14/ ) EPA ,2',3,4,4',5',6-Heptachlorobiphenyl (BZ NELAP NY 11/14/ ) EPA ,2',3,4,4',5'-Hexachlorobiphenyl (BZ 138) NELAP NY 11/14/2018 EPA ,2',3,4,4',5,5'-Heptachlorobiphenyl (BZ NELAP NY 11114/ ) EPA ,2',3,4,4',6,6'-Heptachlorobiphenyl (BZ NELAP NY 11/14/ ) EPA ,2',3,4,5'-Pentachlorobiphenyl (BZ 87) NELAP NY 11/14/2018 EPA ,2',3,5'-Tetrachlorobiphenyl (BZ 44) NELAP NY 11/14/2018 EPA ,2',4,4',5,5'-Hexachlorobiphenyl (BZ 153) NELAP NY 11/14/2018 EPA ,2',4,5'-Tetrachlorobiphenyl (BZ 49) NELAP NY 11/14/2018 EPA ,2',4,5,5'-Pentachlorobiphenyl (BZ 101) NELAP NY 11114/2018 EPA ,2',5,5'-Tetrachlorobiphenyl (BZ 52) NELAP NY 11/14/2018 EPA ,2',5-Trichlorobiphenyl (BZ 18) NELAP NY 11/14/2018 EPA ,3',4,4',5-Pentachlorobiphenyl (BZ 118) NELAP NY 11/14/2018 EPA ,3',4,4'-Tetrachlorobiphenyl (BZ 66) NELAP NY 11/14/2018 EPA ,3,3',4,4'-Pentachlorobiphenyl (BZ I 05) NELAP NY 11/14/2018 EPA ,4'-Dichlorobiphenyl (BZ 8) NELAP NY 11/14/2018 EPA ,4,4'-Trichlorobiphenyl (BZ 28) NELAP NY 11/14/2018 EPA 8082 Aroclor-1016 (PCB-1016) NELAP NY Accreditation Body. Customers are urged to verify the laboratory's current accreditation standing. Page 15 of20 Issue Date: 11/14/2018

17 pennsylvania f~ DEPARTMENT OF ENVIRONMENTAL..,. PROTECTION Laboratory Scope of Accreditation Attached to Certificate of Accreditation expiration date November 30, bis listing of accredited analytes DEP Laboratory ID: EPA Lab Code: CT NI Code: TNI01678 (860) Matrix: Solid and Chemical Materials Method Revision Ana1yte Accreditation Type Primary Effective Date EPA 8082 Aroclor-1221 (PCB-1221) NELAP NY EPA8082 Aroclor-1232 (PCB-I232) NELAP NY EPA 8082 Aroclor-1242 (PCB-1242) NELAP NY EPA8082 Aroclor-1248 (PCB-1248) NELAP NY EPA8082 Aroclor-1254 (PCB-1254) NELAP NY EPA8082 Aroclor-1260 (PCB-1260) NELAP NY EPA 8082 Decachlorobiphenyl NELAP NY 11/14/2018 EPA 8082 A PCBs by GC/ECD NELAP NY 11/14/2013 EPA 8141 Azinphos-methyl (Guthion) NELAP NY EPA8141 Diazinon (Spectracide) NELAP NY 11121/2006 EPA 8141 Disulfoton NELAP NY 11121/2006 EPA814I Malathion NELAP NY I1121/2006 EPA814I B Organophosphorus compounds by GCINPD NELAP NY 11/14/2013 EPA 8141 Simazine NELAP NY 1120/2010 EPA ,4,5-T NELAP NY 11121/2006 EPA 815I 2,4,5-TP (Silvex) NELAP NY EPA 815I 2,4-D NELAP NY 11/ EPA ,4-DB (Butoxon) NELAP NY 1/20/2010 EPA 8151 A Chlorinated herbicides by GC/ECD NELAP NY I1/14/2013 EPA 8I5I Dalapon (2,2-Dichloropropionic acid) NELAP NY 11/4/2010 EPA 8151 Dicamba NELAP NY 11121/2006 EPA 8I51 Dichloroprop (Dichlorprop) NELAP NY I/20/20IO EPA 8151 Dinoseb (2-sec-Butyl-4,6-dinitrophenol, NELAP NY 11/4/2010 DNBP) EPA 8151 MCPA NELAP NY 1/20/2010 EPA 815I MCPP (Mecoprop) NELAP NY 1120/2010 EPA 8151 Pentachlorophenol (PCP) NELAP NY I1116/2012 EPA ,1, 1-Trichloroethane NELAP NY EPA , 1,2,2-Tetrachloroethane NELAP NY 11121/2006 EPA ,1,2-Trichloroethane NELAP NY Il/21/2006 EPA , 1-Dichloroethane NELAP NY EPA , I-Dichloroethene ( 1, I-Dichloroethylene) NELAP NY 11121/2006 EPA , 1-Dichloropropene NELAP NY 1120/2010 EPA 8260 I,2,3-Trichloropropane ( 1,2,3-TCP) NELAP NY Il/4/2010 EPA 8260 I,2,4-Trichlorobenzene NELAP NY 11/16/2012 EPA ,2,4-Trimethylbenzene NELAP NY 11/4/20IO EPA ,2-Dibromo-3-chloropropane (DBCP, NELAP NY 1120/2010 Dibromochloropropane) EPA ,2-Dichlorobenzene ( o-dichlorobenzene) NELAP NY EPA 8260 I,2-Dichloroethane NELAP NY 11121/2006 EPA ,2-Dichloropropane NELAP NY 11121/2006 EPA ,3,5-Trimethylbenzene NELAP NY 1120/2010 EPA ,3-Dichlorobenzene (m-dichlorobenzene) NELAP NY 11121/2006 EPA ,3-Dichloropropane NELAP NY 1120/2010 EPA ,4-Dichlorobenzene (p-dichlorobenzene) NELAP NY EPA ,4-Dioxane (1,4-Diethyleneoxide) NELAP NY 1/20/2010 The Pennsylvania Department ofbnvironmental Protection Laboratory Accreditation Program is a NELAP recognized Accreditation Body. Customen are urged to verify 1he laboratory's current accreclitation standing. Page 16 of20 Issue Date: 11/14/2018

18 tl.!lf pennsylvania DEPARTMENT OF ENVIRONMENTAL PROTECTION Laboratory Scope of Accreditation Attached 1o Certificate of Accreditation expiration date November 30,2019. This listidg of accredited analytes should be used only when associated wi1h a valid certificate of accreditation. Matrix: Solid and Chemical Materials EPA8260 2,2-Dichloropropane NELAP NY 1120/2010 EPA Butanone (Methyl ethyl ketone. MEK) NELAP NY 1120/2010 EPA Chlorotoluene NELAP NY 1/20/2010 EPA Hexanone NELAP NY 1/20/2010 EPA Chlorotoluene NELAP NY 1/20/2010 EPA Methyl-2-pentanone (MIBK) NELAP NY 1114/2010 EPA 8260 Acetone NELAP NY 1114/2010 EPA8260 Acrolein (Propenal) NELAP NY EPA 8260 Acrylonitrile NELAP NY 11121/2006 EPA 8260 Benzene NELAP NY EPA 8260 Bromo benzene NELAP NY I/20/2010 EPA 8260 Bromochloromethane NELAP NY 1120/20IO EPA 8260 Bromodichloromethane NELAP NY II/ EPA 8260 Bromoform NELAP NY Il/ EPA 8260 Bromomethane (Methyl bromide) NELAP NY II/ EPA 8260 Carbon disulfide NELAP NY 1120/20IO EPA 8260 Carbon tetrachloride NELAP NY II/2I/2006 EPA 8260 Chlorobenzene NELAP NY I1/2I/2006 EPA 8260 Chloroethane NELAP NY I1121/2006 EPA 8260 Chloroform NELAP NY I112I/2006 EPA 8260 Chloromethane (Methyl chloride) NELAP NY II/21/2006 EPA 8260 Dibromochloromethane NELAP NY I EPA 8260 Dibromomethane NELAP NY I/20/2010 EPA 8260 Dichlorodifluoromethane (Freon 12) NELAP NY 1I/21/2006 EPA 8260 Diethyl ether (Ethyl ether) NELAP NY ll/i4/20i8 EPA 8260 Ethyl benzene NELAP NY II/2I/2006 EPA 8260 Isopropylbenzene (Cumene) NELAP NY 1120/2010 EPA 8260 Methyl tert-butyl ether {MTBE) NELAP NY 1/20/2010 EPA 8260 Methylene chloride (Dichloromethane) NELAP NY II/2I/2006 EPA 8260 Naphthalene NELAP NY II/I6/20I2 EPA 8260 Styrene NELAP NY 1120/20IO EPA 8260 Tetrachloroethene (PCE. Perchloroethylene) NELAP.. NY II/21/2006 EPA 8260 Tetrahydrofuran (THF) NELAP NY II/14/20I8 EPA 8260 Toluene NELAP NY II/21/2006 EPA 8260 Trichloroethene (TCE. Trichloroethylene) NELAP NY I1121/2006 EPA 8260 Trichlorofluoromethane (Freon II) NELAP NY II/ EPA 8260 c VOCs by GC/MS NELAP NY II/I4/20I3 EPA 8260 Vinyl acetate NELAP NY 111I4/2018 EPA 8260 Vinyl cbforide (Chloroethene) NELAP NY II/ EPA 8260 Xylenes. total NELAP NY II/ EPA 8260 cis-i.2-dichloroethene NELAP NY I/20/20IO EPA 8260 cis-i.3-dichloropropene NELAP NY I112I/2006 EPA 8260 n-butylbenzene NELAP NY I/20/20IO EPA 8260 n-propy1benzene NELAP NY 1120/2010 EPA 8260 sec-butylbenzene NELAP NY 1120/20IO Accreditation Body. Customers are urged 1o verify the laboratory's current accreditation standing. Page 17 of20 Issue Date: 11/14/2018

19 pennsylvania f~ DEPARTMENT OF ENVIRONMENTAL '1111!!1 PROTECTION Laboratory Scope of Accreditation Attached to Certificate of Accreditation expiration date November 30, This listing of accreclitecl aualytes DEP Laboratoty ID: EPA Lab Code: CT00007 TNI Code: TNI01678 (860) P ADWIS ID: Matrix: Solid and Chemical Materials Method Revision Analyte Accreditation Type Priouuy Effective Date EPA 8260 tert-butyl alcohol (2-Methyl-2-propanol) NELAP NY 11116/2012 EPA 8260 tert-butyl benzene NELAP NY 1120/2010 EPA 8260 trans-1,2-dichloroethene NELAP NY 1120/2010 EPA 8260 trans-1,3-dichloropropene NELAP NY EPA 8260 trans-1,4-dichloro-2-butene NELAP NY 1120/2010 EPA ,2,4,5-Tetrachlorobenzene NELAP NY 11/16/2012 EPA ,2,4-Trichlorobenzene NELAP NY EPA ,2-Dichlorobenzene ( o-dichlorobenzene) NELAP NY 11/16/2012 EPA 8270 I,2-Diphenylhydrazine NELAP NY 11116/2012 EPA ,3-Dichlorobenzene (m-dichlorobenzene) NELAP NY 11116/2012 EPA ,4-Dichlorobenzene (p-dichlorobenzene) NELAP NY 11116/2012 EPA ,2'-0xybis( 1-chloropropane) (bis(2-chloro- NELAP NY 12/10/ methylethyl) ether) EPA ,3,4,6-Tetrachlorophenol NELAP NY 11116/2012 EPA ,4,5-Trichloropheno1 NELAP NY 11/4/2010 EPA ,4,6-Trichlorophenol NELAP NY EPA ,4-Dichlorophenol NELAP NY EPA ,4-Dimethy1phenol NELAP NY EPA ,4-Dinitrophenol NELAP NY EPA ,4-Dinitrotoluene (2,4-DNT) NELAP NY EPA ,6-Dichlorophenol NELAP NY 11/14/2018 EPA ,6-Dinitrotoluene (2,6-DNT) NELAP NY EPA Chloronaphthalene NELAP NY EPA Chlorophenol NELAP NY EPA Methy l-4,6-dinitrophenol ( 4,6-Dinitro-2- NELAP NY methyl phenol) EPA Methylnaphthalene NELAP NY 1114/2010 EPA Methylphenol (o-cresol) NELAP NY 1120/2010 EPA Nitroaniline NELAP NY 1120/2010 EPA Nitrophenol NELAP NY 11121/2006 EPA Methylphenol (m+p-cresol) NELAP NY 11/16/2012 EPA ,3'-Dichlorobenzidine NELAP NY 1120/2010 EPA Nitroaniline NELAP NY 1/20/2010 EPA Bromophenyl phenyl ether NELAP NY 1/20/2010 EPA Chloro-3-methylphenol NELAP NY EPA Chloroaniline NELAP NY 1120/2010 EPA Chlorophenyl phenyl ether NELAP NY 1120/2010 EPA Nitroaniline NELAP NY 1120/2010 EPA Nitrophenol NELAP NY EPA 8270 Acenaphthene NELAP NY 11/ EPA 8270 Acenaphthylene NELAP NY 11/ EPA 8270 Acetophenone NELAP NY 1114/2010 EPA 8270 Aniline NELAP NY 11116/2012 EPA 8270 Anthracene NELAP NY EPA 8270 Benzidine NELAP NY 1120/2010 EPA 8270 Benzo[ a ]anthracene NELAP NY The Pennsylvania Department of Environmental Protection Laboratoty Accreditation Program is a NELAP recognized Accreditation Body. Customers are urged to verify the laboratory's current accreditation standing. Page 18 of20 Issue Date: 11/14/2018

20 Laboratory Scope of Accreditation Attached to Certificate of Accreditation expiration date November 30,2019. 'Ibis listing of accredited analytes ll.'fij pennsylvania DEPARTMENT OF ENVIRONMENTAL PROTECTION Matrix: Solid and Chemical Materials EPA 8270 Benzo[a]pyrene NELAP NY 11/ EPA 8270 Benzo[b ]fluoranthene NELAP NY 11/ EPA8270 Benzo[gbi]perylene NELAP NY 11/ EPA8270 Benzo[k ]fluoranthene NELAP NY EPA 8270 Benzoic acid NELAP NY 11/20/2017 EPA 8270 Benzyl alcohol NELAP NY 11/16/2012 EPA8270 Benzyl butyl phthalate (Butyl benzyl phthalate) NELAP NY EPA8270 Carbazole NELAP NY 1120/2010 EPA 8270 Chrysene (Benzo[ a ]phenanthrene) NELAP NY EPA 8270 Di-n-butyl phthalate NELAP NY 11/ EPA8270 Di-n-octyl phthalate NELAP NY EPA 8270 Dibenzo[ a,h ]anthracene NELAP NY EPA 8270 Dibenzofuran NELAP NY 1120/2010 EPA 8270 Diethyl phthalate NELAP NY EPA 8270 Dimethyl phthalate NELAP NY EPA8270 Fluoranthene NELAP NY EPA 8270 Fluorene NELAP NY EPA8270 Hexachlorobenzene NELAP NY 11/ EPA8270 Hexachlorobutadiene (I,3- Hexachlorobutadiene) NELAP NY 11121/2006 EPA 8270 Hexach1orocyclopentadiene NELAP NY 11/ EPA 8270 Hexachloroethane NELAP NY 11/ EPA 8270 Indeno( I,2,3-cd)pyrene NELAP NY II/ EPA 8270 Isophorone NELAP NY 11121/2006 EPA 8270 N-Nitrosodi-n-propylamine NELAP NY l/20/20io EPA 8270 N-Nitrosodimethy1amine NELAP NY l/20/20io EPA8270 N-Nitrosodiphenylamine NELAP NY 1/20/2010 EPA 8270 Naphthalene NELAP NY 11/ EPA 8270 Nitrobenzene NELAP NY 11/ EPA 8270 Parathion, ethyl (Ethyl parathion, Parathion) NELAP NY 10/28/2015 EPA 8270 Pentachloronitrobenzene (PCNB) NELAP NY 1/20/2010 EPA 8270 Pentachlorophenol (PCP) NELAP NY 11/ EPA 8270 Phenanthrene NELAP NY EPA8270 Phenol NELAP NY 11/ EPA 8270 Pyrene NELAP NY 11/ EPA 8270 Pyridine NELAP NY 1114/2010 EPA 8270 D SOCs by GC/MS NELAP NY 11/14/2013 EPA 8270 bis(2-chloroethoxy )methane NELAP NY EPA 8270 bis(2-chloroethyl) ether NELAP NY 1120/2010 EPA 8270 bis(2-ethylhexyl) phthalate (DEHP) NELAP NY 11121/2006 EPA 8270 SIM 1,4-Dioxane (1,4-Diethyleneoxide) NELAP NY 11/14/2018 EPA 8270 SIM Acenaphthene NELAP NY 3/9/2016 EPA 8270 SIM Acenaphthylene NELAP NY 3/9/2016 EPA 8270 SIM Anthracene NELAP NY 3/9/2016 EPA 8270 SIM Benzo[a]anthracene NELAP NY 3/9/2016 Accreditation Body. Customen are urged to verify the laboratory's current accreditation standing. Page 19 of20 Issue Date: 11/14/2018

21 pennsylvania._. PROTECTION r..- DEPARTMENT OF ENVIRONMENTAL Laboratory Scope of Accreditation Attached to Certificate of Accreditation expiration date November 30,2019. This listing of accredited analytes Matrix: Solid and Chemical Materials EPA 8270 SIM Benzo[a]pyrene NELAP NY 3/9/2016 EPA 8270 SIM Benzo[b ]fluoranthene NELAP NY 3/9/2016 EPA8270 SIM Benzo[ghi]perylene NELAP NY 3/9/2016 EPA 8270 SIM Benzo[k ]fluoranthene NELAP NY 3/9/2016 EPA 8270 SIM Chrysene (Benzo[ a ]phenanthrene) NELAP NY 3/9/2016 EPA8270 SIM Dibenzo[ a,h ]anthracene NELAP NY 3/9/2016 EPA 8270 SIM Fluoranthene NELAP NY 3/9/2016 EPA 8270 SIM Fluorene NELAP NY 3/9/2016 EPA 8270 SIM Indeno( 1,2,3-cd)pyrene NELAP NY 3/9/2016 EPA 8270 SIM Naphthalene NELAP NY 3/9/2016 EPA 8270 SIM Phenanthrene NELAP NY 3/9/2016 EPA 8270 SIM Pyrene NELAP NY 3/9/2016 EPA 8315 A Carbonyl compounds by HPLC NELAP NY 11/14/2013 EPA 8315 Formaldehyde NELAP NY 11/4/2010 EPA 9010 c Cyanide distillation NELAP NY 4/1/2013 EPA 9012 B Total cyanide NELAP NY 4/1/2013 EPA 9030 B Sulfide distillation NELAP NY 10/31/2016 EPA 9034 Sulfide NELAP NY 10/31/2016 EPA 9045 D ph NELAP NY 4/1/2013 EPA 9056 A Anions by IC NELAP NY 1/20/2010 EPA 9056 Bromide NELAP NY 11/14/2013 EPA 9056 Chloride NELAP NY 1/20/2010 EPA 9056 Fluoride NELAP NY 11/14/2013 EPA 9056 Nitrate as N NELAP NY 1/20/2010 EPA 9056 Nitrite as N NELAP NY 1/20/2010 EPA 9060 A Total organic carbon (TOC) NELAP NY 12/2/2014 EPA 9066 Total phenolics NELAP NY 11/16/2012 EPA 9071 B Oil and grease NELAP NY 10/28/2015 EPA 9095 B Paint filter liquids test NELAP NY 12/2/2014 EPA Lloyd Kahn Method Total organic carbon (TOC) NELAP NY 11/14/2013 Accreditation Body. Customers are urged to verify the laboratory's CU1'I'ellt accreditation standing. Page 20 of 20 Issue Date: 11/14/2018