EPA Method 550 Analytes Back Catalog number: 31051 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680914 Bensulfuron-methyl, 10.0 µg/ml, Acetonitrile, 10 Price on request 3964.6-1G 1,2,4-Tribromobenzene Price on request DD-1278-S 1,2,7,8-Tetrachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene Price on request