EPA Method 8330 Analyte Back Catalog number: 79077 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50012 Multi-Element Calibration Standard-2A Price on request XA14030000WA Glufosinate ammonium, 100µg/ml in Water, 1ml Price on request 92323 Carbonyl DNPH Derivatives Price on request