4,4'-DDE, 10.0 µg/ml, Ethyl acetate, 10ml

3,3,4,4,4-Perfluorobutan-1-ol , 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 54949-74-5

Mass-Labelled PCDD/PCB Sampling Spike, 1.2ml, nonane

Isodrin, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 465-73-6