EPA Method 531.2 - Analytes Back Catalog number: 34042 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79780 Chlorfenapyr, 1000µg/ml in Acetonitrile, 1ml Price on request 675731 Trichloronate, 100 µg/ml, Ethyl acetate, 5ml Price on request 9138.7-1G Mesalazine, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 89-57-6 Price on request