QC Standard 1 Back Catalog number: 52084 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50110 TOC Calibration Set Price on request MPN-56 1,2,3,7,8-Pentachloro(13C10)naphthalene, 1.2mL x 50ug/mL, nonane Price on request 92263 EPA Method 8270 PAH Standard Price on request