EPA Method 611 - Analytes Back Catalog number: 19107 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10131.11-150-IO 2,3,6-Trimethylbenzothiophene, 150µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 91144-23-9 Price on request 72062 Dibenzofuran-d8 Price on request PN-33S 1,2,4,6-Tetrachloronaphthalene, 1.2mL x 50ug/mL, nonane Price on request