ASTM D-4815 Valve Timing Mix

Coumaphos, 10.0 µg/ml, Acetonitrile, 10ml

1,2,4,6,7,9-Hexachlorodibenzo-p-dioxin , 1.2ml x 50ug/ml, nonane

Benzo[b]fluoranthene, 100µg/mL in Acetonitrile, 1ml