alpha-Endosulfan, 100 µg/ml, Ethyl acetate, 5ml

1,2,3,4,5-Pentachloro[13C6]benzene, 1.2ml x 100ug/ml, isooctane

Chloroxuron, 10.0 µg/ml, Acetonitrile, 10ml

2-Chlorophenol, 100 µg/ml, Acetonitrile, 5ml