Tetracontane, 100 µg/ml, Hexane, 10ml

1,2,3,4,5,6,7-Heptachloronaphthalene, 1.2ml x 50ug/ml, nonane

Hexachlorobenzene (HCB), 100µg/ml in CY, 5ml

Sulfur Standard: S @ 10 µg/g (0.0010 wt%) in #2 Diesel Fuel, 100ml