2,2',3,3',4,5,5',6-Octachlorobiphenyl

Dinaphtho[1,2-b;2',1'-d]furan, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 239-69-0

Semi-Volatile Mix

Dicofol, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 115-32-2