Norflurazon, , Solvent-, Unit , # of units-, Cas.no. 27314-13-2

p-Terphenyl-d14, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 1718-51-0

Chloroxuron, 100 µg/ml, Acetonitrile, 5ml

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)