11-Methylbenz[a]anthracene,50 µg/mL,toluene,1mL,

Ethanol standard in whole blood,0.3g/L,whole blood, 1.5mL

Benzophenone-d10, 100μg/ml in Acetonitrile, 5ml

Nitrite (NO2-) as N, 100µg/ml in Water, 100ml