EPA Method 548 Calibration Solution Back Catalog number: 30050 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-1238-S 1,2,3,8-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 15900-3960-100AN5 Picloram, 100µg/ml in Acetonitrile, 5ml Price on request 3955.2-1G 1,1,1,2-Tetrachloroethane Price on request