EPA 1620 Standard 3 Back Catalog number: 52141 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 97797 PAH Standard Price on request 34591 1,3-Diisopropylbenzene Price on request 2376.10-K-IP 1-Naphthol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 90-15-3 Price on request