13C6-2,4-D, 100µg/ml in Acetonitrile, 1ml

2,3,6,8-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane

2,2',3,5',6-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Pyriproxyfen, 100 µg/ml, Acetonitrile, 5ml