Phenkapton, 10.0 µg/ml, Acetonitrile, 10ml

Azinphos-methyl, 100 µg/ml, Ethyl acetate, 5ml

bis(2-Chloroethoxy) methane

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