EPA Method 502/524 Surrogate Standard #1 Back Catalog number: 30070 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 94014 Aroclor 1254 Price on request 93402 Phenol Price on request 1227.19-10MG n-Butyl benzyl phthalate, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 85-68-7 Price on request