beta-HCH, 100 µg/ml, Methanol, 1ml

gama-Tocopherol, 50mg

Metazachlor OA, 100µg/ml in Acetonitrile, 1ml

2,2',3,4',5,6,6'-Heptachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane