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Table of Contents < Method 507 Method 508.1 >  Method 508 The USEPA Method 507 is an analytical method that utilizes a methylene chloride extraction of drinking and ground water, concentrated to 5 mL in methyl tert-butyl ether and a gas chromatograph equipped with a capillary column to perform the separation oforganochlorine pesticides and PCBs. To detect the GC eluant, an electron capture (ECD) detector is used.  Chlordane Chlordane           1.2 mL @ 1000 µg/ml in HEX   Catalog#: S-780       CHLORDANE STOCK STD Chlordane           1.2 mL @ 200 µg/ml in HEX   Catalog#: CDANE-X       CHLORINATED PESTICIDES Compound µg/mL Aldrin 5 alpha-BHC 5 beta-BHC 5 p,p'-DDD 10 p,p'-DDE 10 delta-BHC 5 Dieldrin 10 p,p'-DDT 10 Endosulfan I 5 Compound µg/mL Endosulfan II 10 Endosulfan sulfate 10 Endrin 10 Endrin aldehyde 10 Endrin ketone 10 gamma-BHC 5 Heptachlor 5 Heptachlor epoxide 5 Methoxychlor 50         1.2 mL @ 5 µg/ml in MTBE   Catalog#: 508-X           1.2 mL @ 10 µg/ml in MTBE   Catalog#: 508-X           1.2 mL @ 50 µg/ml in MTBE   Catalog#: 508-X       INT STD Pentachloronitrobenzene           1.2 mL @ 100 µg/ml in MTBE   Catalog#: 508-I      Chlorothalonil p,p'-DDT Endrin gamma-Chlordane Hexachlorobenzene Methyl dacthal cis-Permethrin trans-Permethrin Propachlor Terrazole Trifluralin  Pest Mix alpha-Chlordane Chloroneb Chlorobenzilate Chlorothalonil 50 Chlorpyrifos 2 delta-BHC 40 Methyl dacthal 50         1.2 mL @ 1000 µg/ml in MTBE   Catalog#: 508-B           1.2 mL @ 2 ng/ml in MTBE   Catalog#: 508-PC           1.2 mL @ 40 ng/ml in MTBE   Catalog#: 508-PC           1.2 mL @ 50 ng/ml in MTBE   Catalog#: 508-PC           1.2 mL @ 10 µg/ml in MTBE   Catalog#: 508-DC       Pesticides Blend Aldrin alpha-BHC beta-BHC p,p'-DDD p,p'-DDE delta-BHC Dieldrin p,p'-DDT Endosulfan I Endosulfan II Endosulfan sulfate Endrin Endrin aldehyde Endrin ketone gamma-BHC Heptachlor Heptachlor epoxide Methoxychlor         1.2 mL @ 1000 µg/ml in MTBE   Catalog#: 508-A           1.2 ML X 4 PACK   Catalog#: 508-A-4       Toxaphene Toxaphene           10 mL @ 1000 µg/ml in HEX   Catalog#: S-3535       TOXAPHENE STOCK STD Toxaphene         1.2 mL @ 200 µg/ml in HEX   Catalog#: TOX-X