EPA Method 502/524 Surrogate Standard #2 Back Catalog number: 19267 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70337 1,2-Propanediol, 1000µg/ml in MeOH, 1ml Price on request 673375 Methiocarb-sulfone, 100 µg/ml, Acetonitrile, 5ml Price on request 2683.7-1ML 5-Methyl-1-hexene, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 3524-73-0 Price on request