EPA Method 525 - PAH Standard Back Catalog number: 19062 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676590 Diazinon, 100 µg/ml, Acetonitrile, 1ml Price on request 3583.13-K-IO Thioxanthone, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 492-22-8 Price on request 11724.12-100-IO 2,3,3',5',6-Pentachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request