Terbufos-sulfoxide, 100 µg/ml, Toluene, 1ml

2H,2H,3H,3H-Perfluorooctanoic acid, 10mg

Asulam, 10.0 µg/ml, Acetonitrile, 10ml

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