2,4'-DDE D8, 100µg/mL in Acetone, 1ml

Paraoxon-ethyl, 10 µg/ml, Cyclohexane, 10ml

1H,1H,2H,2H-Perfluoro-n-octyl acrylate-d3,50 µg/mL,MeOH,1mL,

alpha alpha alpha (20R)-Cholestane, 100µg/mLin Isooctane, 1ml