2,2',4,4'-Tetrabromo-6-hydroxy[13C12]diphenyl ether, 1.2ml x 50ug/ml, toluene

2,3,3',4,5,5'-Hexachloro-4'-methoxybiphenyl, 1.2ml x 50ug/ml, nonane

n-Nonadecane

Arochlor 1221 , 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 11104-28-2