EPA Method 515.1 - Performance Check Solution

Semi-Volatile Standard

Perfluorobutyric acid, sodium salt, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 2218-54-4

2,2',5,5'-Tetrabromobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 59080-37-4