4,4'-Dibromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

Perfluorooctane sulfonic acid, 10mg

EPA Method 8250/8250A Cal Check BNS

2,4-Dimethylphenanthrene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 15254-64-5