Parathion-methyl, 100 µg/ml, Toluene, 1ml

2,2',3,3',4,5,5',6,6'-Nonabromo-4'-chlorodiphenyl ether, 1.2ml x 50ug/ml, toluene

alphaßß (20R)-Cholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 69483-47-2

3-Phenylthiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2404-87-7