EPA Method 8270 PAH Standard Back Catalog number: 97742 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MBP-8 2,4'-Dichloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane Price on request 40013 EPA Method 609 - Analytes Price on request 8581.6-50-ME Perfluorohexane sulfonic acid, potassium salt, 50ug/ml, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 3871-99-6 Price on request