iso-Chloridazon, 100 µg/ml, Acetonitrile, 1ml

2,4,6-tris(2,4,6-Tribromophenoxy)-1,3,5-triazine, 100µg/ml in TO, 1ml

Quinmerac, 100 µg/ml, Acetonitrile, 5ml

1,2,3,4,7,8,9-Heptachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene