delta-HCH, 100 µg/ml, Methanol, 5ml

Thiamethoxam, 100 µg/ml, Acetonitrile, 5ml

4,4’-Diamino-3,3’-dimethyldiphenylmethane

1,2,7,8-Tetrachloro[13C12]dibenzofuran, 1.2ml x 1ug/ml, nonane