EPA Method 515 Herbicide Acids Back Catalog number: 93924 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3493.10-100 Propham, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 122-42-9 Price on request 687855 6PPD-quinone, 10mg Price on request 10454.21-100MG 2,2-Bis[3,5-dibromo-4-(2,3-dibromopropoxy)phenyl]propane, Techn. 95%,neat,neat,100mg, Price on request