Sodium chlorate, 100 µg/ml, Water, 1ml

Sulfur Calibration Mixtures: Di-n-butyl sulfide in Heavy 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)

Isoprocarb, 250mg

ß-Glucuronidase from overexpressing recombinant E. coli ,>50,000 u/ml,50% aqueous glycerol soln,5mL