EPA Method 551.1 Surrogate Standard Back Catalog number: 30102 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 684793 Carboxin-sulfoxide, 100 µg/ml, Acetonitrile, 1ml Price on request XA13020100AC Diuron D6, 100 µg/mL in Acetone, 1,1ml Price on request DF-2468-S 2,4,6,8-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request