EPA Method 8240A Internal Standard Back Catalog number: 22003 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677070 Musk ketone, 10.0 µg/ml, Cyclohexane, 1ml Price on request 0404.25-150-CYX5 n-Pentacosane, ?13C: -28.21, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. 629-99-2 Price on request L20900100CY 2-Methylphenanthrene, 10µg/ml in CY, 10ml Price on request