Dicofol, 100 µg/ml, Ethyl acetate, 5ml

3,3',4,5'-Tetrabromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

Pesticide-Mix 41, 10.0 µg/ml, Acetonitrile, 10ml

2,3-Dimethylaniline, 100mg