2,4,6-Tribromodiphenyl ether, 1.2ml x 50ug/ml, nonane

Ethanol standard in water,3.0g/L,water, 1.5mL

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)

Fenitrothion, 250mg