n-Dodecane, ?13C: -32.54, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 112-40-3

cis-Chlordane, 10.0 µg/ml, Ethyl acetate, 10ml

Ethanol standard in serum,0.3g/L,serum, 1.5mL

2,3,5,6-Tetrachlorophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 935-95-5