2,4-D, 100µg/ml in Methanol, 1ml

2,3,3',4,4',5-Hexachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Alachlor OA, 10mg

2,2,3,3,4,5,6,6-Octachlorobiphenyl