EPA Method 525 Standard Back Catalog number: 94574 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72072 n-Tetracosane-d50 Price on request DPE-0 Diphenyl ether, 1.2ml x 50ug/ml, nonane Price on request 0389.14-K-IOX10 Phenanthrene-d10, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 1517-22-2 Price on request