EPA Method 504.1 - 524.2 Analytes

1,2,3,5,7,8-Hexachloronaphthalene, 1.2ml x 50ug/ml, nonane

Mass-Labelled OC Pesticide Mixture, 2µg/ml in Nonane, 1,2ml

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)