Metolachlor D6 (propyl D6), 100 ng/µl, 1.1ml

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

RCRA Perchlorate

Benzo[a]pyrene, 100 µg/ml, Acetonitrile, 1ml