EPA Method 525 Surrogate Standard Back Catalog number: 93971 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70410 4,4’-Methylene bis(2-chloroaniline) Price on request 9419.19-10MG Warfarin, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 81-81-2 Price on request 71216 Morpholine Price on request