EPA Method 548.1 Analyte Back Catalog number: 30277 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-248-S 2,4,8-Trichlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 675079 Clopyralid-methyl, 10mg Price on request 93575 Trimethylamine Price on request