Aqueous ethanol control EtOH AQ (4.0g/L), 10 x 3.0ml

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

4-Nonylphenol diethoxylate, mixture of nonylisomers,100 µg/mL,MeOH,1mL,

Cesium (Cs)