Cyclopenta(c,d)pyrene,100µg/ml in Acetonitrile, 1m

Hexavalent Chromium (Cr +6)

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

Malathion, 100μg/mL in Acetonitrile, 1ml