Ethanol standard in serum,0.5g/L,serum, 1.5mL

1,2,4,7,8-Pentachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Herbicide Methyl Derivatives

d2 C29 alpha alpha alpha (20R)-Ethylcholestane, 100µg/mL, Solvent-isooctane, 100µg/mL in Isooctane, 5 x 1ml