2,3',4,4'-Tetrabromodiphenyl ether, 50µg/ml IO,1ml

Phosphamidon, 100 µg/ml, Toluene, 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)

4,4'-Diaminodiphenyl sulfide, 100 µg/ml, Acetonit