Acenaphthylene, 1000µg/ml in Acetonitrile, 1ml

Azinphos methyl, 1000µg/ml in MeOH, 1ml

N-Nitrosodimethylamine, 2000µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 62-75-9

2,3,4',5-Tetrachlorobiphenyl, 5mg