4-n-Nonylphenol, neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 104-40-5

WS Anions

n-Dodecylbenzene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 123-01-3

EPA Method 8240A Mix #2