EPA Method 525.2 Pesticide Level 1

1-Naphthyl acetic acid-ethyl ester, 250mg

2,2-Bis(4-hydroxy-13C6-phenyl)propane, 1.2ml x 50ug/ml, methanol

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)