1,2,4-Trimethylbenzene, 1ml

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

delta-HCH, 100 µg/ml, Methanol, 5ml

Chloroparaffin Mix C10-C13, 0.28-6µg/mL in Heptane, 1ml