D6-Dichlorvos, 100 µg/ml, Cyclohexane, 1ml

Pesticides - Mix 23, 10µg/ml in CY, 10ml

D6-Parathion-methyl, 100 µg/ml, Acetone, 1ml

2,3,4,4',5-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane