"Early next year, a sophisticated air quality monitor is expected to go into operation near O.D. Wyatt High School in Fort Worth, the 11th such device deployed to measure pollutants in the Barnett Shale."
"The monitors, four of which were installed this year in Arlington, Mansfield and Rhome in Wise County, are part of a network of machines designed to reveal exactly what's in the air we breathe every day. Some of the chemical compounds measured can be health risks, and others can contribute to ozone formation.
The recent expansion of state air monitors was announced in 2010 by the Texas Commission on Environmental Quality after prodding by legislators. The 2011 Legislature allocated millions annually to install and operate them."