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

Ethyl 4-hydroxybenzoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 120-47-8

D7-Malathion, 100 µg/ml, Acetone, 1ml

Arsenic (As)