Ethanol standard in water,0.3g/L,water, 1.5mL

1-Hydroxyibuprofen, 100 µg/ml, Acetonitrile, 1ml

3-Methylcarbazole, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 4630-20-0

N-Ethyl-N-(2-hydroxyethyl)nitrosamine,neat,neat,100mg,