Metazachlor OA, 10.0 µg/ml, Acetonitrile, 10ml

3,3',4,4',5,5'-Hexabromodiphenyl ether, 1.2ml x 50ug/ml, nonane

N-Nitrosodimethylamine-d6, 1000µg/ml in dichloromethane, 1ml

Lithium (Li)