D12-Benzo[a]pyrene, 100 µg/ml, Acetonitrile, 1ml

2,2',3,6-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL,

Coumaphos, 1000µg/ml in MeOH, 1ml

OCP Mix, 10µg/ml in Isooctane, 1ml