Caffeine, 100 µg/ml, Methanol, 1ml

Dimethoate, 10.0 µg/ml, Ethyl acetate, 10ml

n-Dodecane-d26, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 16416-30-1

Ethanol standard in serum,0.2g/L,serum, 1.5mL