Paraoxon-ethyl, 10.0 µg/ml, Acetone, 10ml

Arsenic (As)

Arochlor 1242 , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 53469-21-9

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)