1,2,3,5,6,7-Hexachloronaphthalene,,,,

Internal & Surrogate Standard

1,4,6-Trichloro(13C10)naphthalene, 1.2mL x 50ug/mL, nonane

4-Methoxy-2,2',5'-trichlorobiphenyl, 100µg/ml in IO, 1ml