EPA Method 618 Analytes

Perfluoropropionic acid, sodium salt, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 378-77-8

2-Phenylbenzimidazole-5-sulfonic acid, neat, Solvent-neat, Unit 10MG, # of units-16, Cas.no. 27503-81-7

4-n-Octylbiphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 7116-97-4