2,2’,3,3’,4,4’-Hexachlorobiphenyl (128)

n-Tetracontane, ?13C: -27.05, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. 4181-95-7

Danofloxacin mesylate, 100 µg/ml, Methanol, 1ml

7,12-Dimethylbenz[a]anthracene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 57-97-6