alpha-HCH-d6, 10µg/ml in Cyclohexane, 5ml

4-Bromo-2,3,5,6-tetraachloroanisole, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no.

Nitrobenzene

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)