6-Nitrochrysene-d11, 100µg/ml in Toluene, 1ml

Chromium (Cr), 1µg/ml in 2%-HNO3/Water, 4 x 25ml

4-Bromobiphenyl, 1.2ml x 50ug/ml, nonane

Chlorinated Aromatics-Mix 2, 10μg/mL in Cyclohexane, 1ml