EPA Method 555 Herbicide Standard Back Catalog number: 83600 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9457.8-5K-ME Tyramine, 5000µg/ml in MeOH, 1ml Price on request S-4326-K-TX5 Nitro-PAH Mixture 2 2204,14 9-Nitrophenanthrene [954-46-1] 1108,13 3-Nitrofluorene [607-57-8] 1468,16 2-Nitropyrene [789-07-1] Concentration: 1000ppm each in toluene Price on request 674826 Fenamiphos-sulfone, 50mg Price on request