PCN Injection Standard Solution, 1.2mL, nonane

Fenthion, 100μg/mL in Acetonitrile, 1ml

n-Heptan n-nonyl phthalate

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)