lambda-Cyhalothric acid, 100µg/ml in Acetonitrile, 5ml

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

Polyethylene - Trace elements (low level), 100g

Dibenzo[b,k]chrysene, Inquire, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 217-54-9