Perthane, 100 µg/ml, Acetonitrile, 1ml

1,2,3,4,6,7-Hexachloronaphthalene, 50µg/ml in nonane, 1,2ml

Hexabromo[13C6]benzene, 1.2ml x 50ug/ml , toluene

Fenitrothion-oxon, 10mg