California Gas Additive Standard Back Catalog number: 98645 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8653.14-100-NN 4,4'-DDE-13C12 Price on request 8208.8-K-AN Formaldehyde-PFBOA derivative, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. Price on request 93185 Internal Standard Price on request