EPA Method 525 - PAH Standard Back Catalog number: 19262 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3558.14-10MG 1,5-Dihydroxy-9,10-anthraquinone, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 117-12-4 Price on request NK-ST-A4 Native PCDD/PCDF Solution/Mixture, 1.2ml, nonane Price on request 50150 Anion Mix #1 Price on request