EPA 505 Pesticide Standard Back Catalog number: 93935 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675105 Sodium p-n-undecylbenzenesulfonate, 10.0 µg/ml, M Price on request 15900-4105-100AN1 Propachlor-ESA sodium salt, 100µg/mL in Acetonitrile, 1ml Price on request 680996 Norflurazon-desmethyl, 10mg Price on request