EPA Method 555 Herbicide Standard Back Catalog number: 83600 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673730 Ametryn, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 674874 Difloxacin hydrochloride, 100mg Price on request X9207 2,4,5-Trichlorophenol Price on request