EPA Method 525 - PAH Standard Back Catalog number: 19062 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8217.13-K-AN n-Hexanal-PFBOA derivative, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. Price on request 58062 Samarium (Sm) Price on request 3361.14-100-DC 2,4'-DDE, 100µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 3424-82-6 Price on request