PCB No. 118, 10µg/mL in Isooctane, 10ml

1-Methyl-4-nitroso-piperazine, 50mg

1,2,3,4,6,8-Hexachlorodibenzofuran, 1.2ml x 50ug/ml, nonane

Acenaphthylene, 1000µg/ml in Acetonitrile, 1ml