EPA Method 552 Surrogate Standard Methyl Ester

Fenitrothion, 100 µg/ml, Ethyl acetate, 5ml

Acetanilide, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 103-84-4

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)