EPA Method 525 - PAH Standard Back Catalog number: 19262 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-B40 Mass-Labelled PCDD/PCDF Internal Standard Solution, 1.2ml, nonane Price on request 1503.13-250MG 2-Cyclohexyl-5-methylphenol, neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 1596-13-0 Price on request 680851 PCB 95, 5mg Price on request