EPA Method 551.1 Surrogate Standard Back Catalog number: 31102 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended IBPO009 Sunset Yellow FCF (E 110), 1g Price on request 79861 Clopyralid (Lontrel), 1000µg/ml in Acetonitrile, 1ml Price on request 73466 Diethanolamine-d8 Price on request