Phosmet-oxon, 10.0 µg/ml, Acetonitrile, 10ml

n-Pentacosane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 629-99-2

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)

Chrysene-d12, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 1719-03-5