Atrazine-desethyl, 10.0 µg/ml, Acetonitrile, 10m

3-Nitroperylene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 20589-63-3

2,3',4,5,5'-Pentachloro-4'-methoxybiphenyl, 1.2ml x 50ug/ml, nonane

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)