BOD Calibraton Standard

2,2',3,4,5,5'-Hexachloro[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

Perfluorooctadecanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 16517-11-6

Dibenzo(a,h)pyrene