Chlorfenvinphos, 100 µg/ml, Ethyl acetate, 5ml

1,2,3,4,8,9-Hexachlorodibenzofuran, 1.2ml x 50ug/ml, toluene

Benzyldimethylhexadecylammonium chloride, 10.0 µg/

PCB No. 112, 100ug/ml in Isooctane, 1ml