EPA Method 548.1 Analyte Back Catalog number: 30177 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 57252 Tellurium (Te) Price on request M4M159 2,3,3',4,5,5'-Hexachloro-4'-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene Price on request 70939 MCPP methyl derivative Price on request