PCB No. 169, 10µg/ml in Isooctane, 10ml

Sulfometuron-methyl, 100mg

5% (w/w) Devol. Gasoline in 75 cSt Hydrocarbon Oil, 100ml

1,3,7-Trichlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL,