2,8-Dichloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

2,3',4,5,5'-Pentachloro-4'-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene

Permethrin, 10.0 µg/ml, Acetonitrile, 10ml

3-Methyltetrahydrothiophene, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 4740-00-5