Benzo(e)pyrene, 100 µg/mL in Acetonitrile, 1ml

2,3,4'-Tribromobiphenyl, 1.2ml x 50ug/ml, nonane

4-Methyldiphenylsulfide, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 3699-01-2

trans-Heptachlor-epoxide (Isomer A), 10µg/ml in CY, 10ml