California Gas Additive Standard Back Catalog number: 98646 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673440 Simazine, 10.0 µg/ml, Acetonitrile, 10ml Price on request 672874 Nitrofurantoin, 250mg Price on request 2588.32-10UG Dibenzo[cd,n]naphtho[3,2,1,8-pqra]perylene, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 109278-09-3 Price on request