EPA Method 624 Internal / Surrogate Standard Back Catalog number: 92559 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 67034 Sucrose Calibration Mix Price on request 13600-0895-1000AN Bromoacetonitrile, 1000µg/ml in Acetonitrile, 5ml Price on request 10446.7-10MG Trigonelline hydroiodide Price on request