EPA Method 8310 Surrogate Standard Back Catalog number: 94123 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2562.19-100-ME Sodium p-n-tridecylbenzenesulfonate, 100µg/mL in MeOH, 1ml Price on request 1017.14-K-IO 1,2-Bis(phenylthio)ethane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 622-20-8 Price on request 72417 Isovaleric acid Price on request