Octachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Sulfur Calibration Mixtures: Di-n-butyl sulfide in Light White Oil (less than 20mg/kg S) Unit : 10mL screw-capped bottle Light White Mineral Oil Heavy White Mineral Oil (20 cSt at 40°C) (70 cSt at 40°C)

trans-1,2-Dichloroethylene, 100µg/ml in MeOH, 5ml

D5-Acetochlor ESA sodium salt, 100 µg/ml, Water,