Welcome to our site, dedicated to clean air in Travis County. We are part of the Natural Resources and Environment Quality division of TNR.The Austin area is no longer meeting acceptable levels of air quality standards for fine particulate matter, also known as "soot," pollution. RECORD OF NON-APPLICABILITY (RONA). Background and Summary of the Factual Basis for the Proposed Rules. Eighteen counties in Texas are subject to 30 TAC Chapter 114 inspection and. Lots of ways indoor air quality can become degraded. Under the CAC bylaws, in order for a jurisdiction to be eligible for general membership in the. Life Science Alley June 1, 2011. Bold action to improve air pollution can deliver swift and locally-felt rewards.