EPA Method 508 Surrogate Standard Back Catalog number: 19042 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2054.22-100MG Dibenzyl phthalate, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 523-31-9 Price on request 2561.18-K-ME Sodium p-n-dodecylbenzenesulfonate, 1000µg/mL in MeOH, 1ml Price on request 91259 n-Hydrocarbon Standard (C6-C32), 2000µg/ml in MeCHl, 1ml Price on request