2-Butoxyethyl acetate, 1000mg

1,2,3,5,6,7-Hexachloro(13C10)naphthalene, 1.2mL x 50ug/mL, nonane

(13C9)Endosulfan Sulfate, 100µg/ml in Nonane, 1,2ml

2,4,4,5-Tetrachlorobiphenyl (BZ-74)