Qk4 employs the latest air quality modeling software approved for use by the U.S. Environmental Protection Agency (EPA) and the Federal Highway Administration to conduct transportation-related air quality studies.  Our staff is experienced in using the MOBILE6.2 and CAL3QHC software packages, and is keeping up-to-date with the development and implementation of the forthcoming MOVES air quality model.
Qk4 has conducted air quality studies for projects of various lengths and settings, ranging from corridor-length routes to bypasses to commercial and housing developments.  In all cases, we work closely with the client and with state and local regulatory agencies to produce accurate results that all parties can depend on for their decision-making.

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