Heptachlor endo-epoxide, 10.0 µg/ml, Cyclohexane,

N-Nitrosodi-n-butylamine, 1000μg/ml in MeOH, 1ml

Naphtho[2,3-k]fluoranthene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 207-18-1

Ethylenethiourea