EPA Method 525 - PAH Standard Back Catalog number: 19262 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9056.6-K-IP Tetrachlorocatechol , 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 1198-55-6 Price on request 95338 PAH Standard Price on request 95355 Organic Acid Kit Price on request