EPA Method 507 Pesticide Standard Back Catalog number: 91974 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended PCN-WD PCN Window Defining Solution/Mixture, 1.2ml, nonane Price on request 676885 Halofuginone lactate, 100 µg/ml, Acetonitrile, 1 Price on request 2097.14-100MG Bis(2-methoxyethyl) phthalate, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 117-82-8 Price on request