EPA Method 500 Internal Standard #6 Back Catalog number: 30169 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 93107 Aroclor 1260 Price on request 10459.42-10MG TRIS-Tetraphenylrecorcinol bis(diphenylphosphate) Trimer, 99% (LC) Price on request MDF-1278 1,2,7,8-Tetrachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene Price on request