4-Chloro-3-nitrotoluene, 250mg

MCPA, 1000µg/ml in MTBE, 1ml

2,2',4,6,6'-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Metolachlor OA, 100 µg/ml, Acetonitrile, 1ml