EPA Method 531.1 - Analytes Back Catalog number: 30042R Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678300 Diisooctyl phthalate, 250mg Price on request A15717000AL-100 Ofloxacin, 100µg/mL in Acetonitrile, 1ml Price on request 95081 4-Isobutylbenzoic acid Price on request