2,2',3,3',4,5,5',6-Octachlorobiphenyl (198)

17ß(H),18 alpha(H)-28-Nor-spergulane, neat, Solvent-neat, Unit ca. 5µg, # of units-1, Cas.no.

EPA 1620 Standard 5

2,4,5-Tribromoiodobenzene, 100µg/mL, Solvent-isooctane, Unit 1ml, # of units-1, Cas.no.