2,4’-DDE, 1000µg/ml in Hexane, 1ml

Sulfur Standard 1 Unit: 10mL screw cap bottle Chiron No. Matrix: Methanol Compound Concentration S-4072 Diethyl sulfide 0.5 ppm (w/w) Di-n-butyl sulfide 0.5 ppm (w/w)

2-Hydroxycinnamic acid, 1000mg

1,1,2,2-Tetrachloroethane