gamma-HCH, 100 µg/ml, Acetonitrile, 5ml

1,2,10,11-Tetrachloroundecane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 210049-49-3

3,3’-Dichlorobenzidine

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)