Alachlor, 10.0 µg/ml, Ethyl acetate, 10ml

Picloram, 100 µg/ml, Acetonitrile, 5ml

2,2',3,4',5,5',6-Heptachloro-4-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene

2,4-Dichloroaniline