Monocrotophos, 100 µg/ml, Acetonitrile, 5ml

2,2',3,4,4',5,5'-Heptachloro[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

6-Nitrochrysene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 7496-02-8

Hexanaldehyde-DNPH