EPA Method 531.1 - Analytes Back Catalog number: 30042R Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10481.12-50-T 4,4'-Sulfonylbis(2,6-dibromophenol), 98% Price on request 2693.6-K-IO 3,4-Dimethylthiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 632-15-5 Price on request S-4256-500-10LW Sulfur Calibr. Mix. Dibenzothiophene in White oil (20 cSt)Unit: 10mL screw-capped bottle Matrix White oil White Oil Concentration Isooctane Toluene 3 cSt Price on request