Parathion-ethyl, 100 µg/ml, Acetonitrile, 5ml

4-Isobutylbenzoic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 38861-88-0

Acetochlor ESA sodium salt, 100µg/ml in Acetonitrile, 1ml

Ethanol standard in serum,0.8g/L,serum, 1.5mL