EPA Method 507 Analyte Mix #8 Back Catalog number: 94131 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1582.11-10MG Proguanil hydrochloride, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 637-32-1 Price on request 93128 Cyclic Hydrocarbons Std, 2000µg/ml in MeOH, 1ml Price on request 675938 D5-Acetochlor ESA sodium salt, 10mg Price on request