EPA Method 500 Series Internal Std #4

Pronamide

1H,1H,2H,2H-Perfluoro-9-methyldecan-1-ol , 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 31200-98-3

EPN, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 2104-64-5