Aldrin, 100 µg/ml, Methanol, 1ml

PCB No. 31, certified, 25mg

4-Ethylguaiacol, 100 µg/ml, Acetonitrile, 1ml

1,2,4,7,8-Pentabromodibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene