Topramezone, 10.0 µg/ml, Acetonitrile, 10ml

Carcinogenic Aryl Amine, 10µg/mL in Ethyl AC, 1ml

2,3,3',5,5'-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

2,4’-DDD