2,2',4,4',5-Pentachlorodiphenyl ether, 1.2ml x 50ug/ml, nonane

2,4-Dichlorophenol, certified, 0.25g

gamma-BHC-13C6,100 µg/mL,n-nonane,1mL,

Fenitrothion D6 (O,O-dimethyl D6), 100µg/ml in Cyclohexane, 1ml