EPA Method 1657 Analytes Back Catalog number: 31784 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended LA18000195IO Pesticide-Mix 195, in Isooctane, 1ml Price on request 676198 Foramsulfuron, 100 µg/ml, Acetonitrile, 5ml Price on request 8923.16-500MG Perfluorokerosene (bp. 70-200) for Mass spectrometry, neat, Solvent-neat, Unit 500mg, # of units-1, Cas.no. Price on request