EPA Method 515.1 - Performance Check Solution

2-Bromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 7025-06-1

Methyl 4-chlorobenzoate

Perfluoro-n-[1,2-13C2]dodecanoic acid, 50µg/ml in MeOH, 1,2ml