Air Toxics Calibration Gases

The Colorado Air Pollution Control Division - Air Toxics and Ozone Precursors Program (APCD-ATOPs) is seeking a vendor to provide air toxics calibration gases. The awarded vendor must be able to produce and recertify eight different calibration mixtures to a blend tolerance of +/- 10% and a certification accuracy of +/- 5%. The calibration accuracy must be valid for at least one year. The mixtures are to be provided in 150A "SGS" (150 c.f.) aluminum refillable cylinders. Some key points to consider include: • The contract is for known regularly purchased gases by APCD-ATOPs. • APCD-ATOPs reserves the right to purchase other gases and equipment from the awarded vendor at their standard list price. • The vendor must be able to produce and recertify the calibration mixtures according to the specified tolerances and accuracy. • The vendor must be able to provide the mixtures in the specified cylinders.