2,4-Dimethylaniline

4-(1-Ethyl-1-methylpropyl)-2-methylphenol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 775-93-9

Sodium dodecylbenzenesulfonate, mixture of branched C10-C14, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 25155-30-0

EPA Method 515.3 - Derivatized acids