Quinine hemisulfate,1000 µg base/mL,MeOH,1mL

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

4,4''-Dinitro-p-terphenyl, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 3282-11-9

BTEX (5.0 µg/mL)