EPA Method 525.2 Standard Back Catalog number: 92693 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4256-2.5-10LW 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 WMF-EX Reference Fish Tissue Extract (Isooctane/20% Salmon Oil), 3g, Isooctane Price on request 2799.22-5MG Flumethasone, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 2135-17-3 Price on request