PCB No. 29, 100µg/ml in Isooctane, 1ml

1,4,7,8-Tetrachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane

1,1,2-Trichlorotrifluoroethane

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