EPA Method 525Mixes Back Catalog number: 30034 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3867.9-K-ME Coumarin, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 91-64-5 Price on request N-12159-250MG Hexachlorobenzene, 250mg Price on request DF-B10-CS5,6,7,8, Individual Calibration Solutions, 200ul, nonane Price on request