EPA Method 525 - PAH Standard Back Catalog number: 19362 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended S-4036-5K-IOX5 3-Chlorothiophene in isooctane Units: 5x1mL ampoules Price on request 0314.21-200-T Dibenz[a,i]acridine, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 226-92-6 Price on request 2726.16-K-IO 4-Isopropylthioxanthone, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 83846-86-0 Price on request