D8-Toluene, 2000 µg/ml, Methanol, 1ml

2,3,3',4,4'-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Chloroparaffin C14-C17 57% Cl, 100μg/ml in Cyclohexane, 1ml

Brodifacoum, 100 µg/ml, Acetonitrile, 10ml