Benzo(e)pyrene, 100µg/ml in Cyclohexane, 5ml

3-Chlorothiophene in isooctane, Blank Units: 5x1mL ampoules

Lake Michigan fish tissue -Org. contaminants, 5x8g

1,2,4,6,7-Pentachlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL,