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Air Quality
The Town of Flower Mound's Environmental Resources staff continually monitors environmental factors and works with outside agencies to measure air quality throughout our community.


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TCEQ Air Quality Monitoring System

The TCEQ AutoGC is operational again and it's data can be viewed at the following link:
http://www.tceq.state.tx.us/cgi-bin/compliance/monops/agc_daily_summary.pl?user_site=48_121_1007

Town of Flower Mound Air Quality Monitoring Program 

The Town began conducting air monitoring in 2010 on a quarterly basis to assess the ambient air conditions adjacent to gas well operations and other areas in the Town. In 2011, the Town Council directed staff to implement monthly air monitoring at various sampling points in the Town. The Town Council approved the ongoing monthly air monitoring program for 2012 and 2013 to be conducted by Modern Geosciences. 

In an effort to enhance the air monitoring program in 2014, the Town Council approved additional monitoring efforts for the year. The 2014 air monitoring program includes upwind and downwind padsite monitoring, near equipment monitoring, and continued ambient air monitoring at selected locations. Designated ambient sampling locations for 2014 include areas within or adjacent to gas well operations, including adjacent residential areas and/or LISD property. Sampling methods will be consistent with EPA and TCEQ sampling methods. The new monitoring program will effectively assess the conditions on the padsite and identify potential issues associated with the production equipment. 

Please review the reports below for more information about the Town’s air monitoring program.


2014
Modern Geosciences Ambient Air Sampling Report- January 2014
Modern Geosciences Ambient Air Sampling Report- February 2014

2013
Modern Geosciences Ambient Air Sampling Report - January 2013
Modern Geosciences Ambient Air Sampling Report - February 2013
Modern Geosciences Ambient Air Sampling Report - March 2013
Modern Geosciences Ambient Air Sampling Report - April 2013
Modern Geosciences Ambient Air Sampling Report - May 2013
Modern Geosciences Ambient Air Sampling Report - June 2013
Modern Geosciences Ambient Air Sampling Report - July 2013
Modern Geosciences Ambient Air Sampling Report - August 2013
Modern Geosciences Ambient Air Sampling Report - September 2013
Modern Geosciences Ambient Air Sampling Report - October 2013
Modern Geosciences Ambient Air Sampling Report - November 2013
Modern Geosciences Ambient Air Sampling Report - December 2013

2012
Modern Geosciences Ambient Air Sampling Report - January 2012
Modern Geosciences Ambient Air Sampling Report - February 2012
Modern Geosciences Ambient Air Sampling Report - March 2012
Modern Geosciences Ambient Air Sampling Report - April 2012
Modern Geosciences Ambient Air Sampling Report - May 2012
Modern Geosciences Ambient Air Sampling Report - June 2012
Modern Geosciences Ambient Air Sampling Report - July 2012
Modern Geosciences Ambient Air Sampling Report - August 2012
Modern Geosciences Ambient Air Sampling Report - September 2012
Modern Geosciences Ambient Air Sampling Report - October 2012
Modern Geosciences Ambient Air Sampling Report - November 2012
Modern Geosciences Ambient Air Sampling Report - Decemeber 2012

2011
Kleinfelder Ambient Air Sampling Report - January 2011
Kleinfelder Ambient Air Sampling Report - February 2011
Kleinfelder Ambient Air Sampling Report - March 2011
Kleinfelder Ambient Air Sampling Report - April 2011
Kleinfelder Ambient Air Sampling Report - May 2011
Kleinfelder Ambient Air Sampling Report - June 2011
Kleinfelder Ambient Air Sampling Report - July 2011
Kleinfelder Ambient Air Sampling Report - August 2011
Kleinfelder Ambient Air Sampling Report - September 2011
Kleinfelder Ambient Air Sampling Report - October 2011
Kleinfelder Ambient Air Sampling Report - November 2011
Kleinfelder Ambient Air Sampling Report - December 2011

2010
Kleinfelder Ambient Air Sampling Report - First Quarter 2010
Kleinfelder Ambient Air Sampling Report - Second Quarter 2010

Kleinfelder Ambient Air Sampling Report - Third Quarter 2010
Kleinfelder Ambient Air Sampling Report - Fourth Quarter 2010



TCEQ Air Quality Monitoring Station

The Texas Commission on Environmental Quality has located a state-of-the-art Automated Gas Chromatograph (AutoGC) monitoring station in Flower Mound. Testing for 46 different volatile organic compounds, including benzene, the monitor will also provide total non-methane VOC concentrations and meteorological data, which are important in analyzing air quality readings. The AutoGC, located at 4401 Shiloh Road near Fire Station #2, will generate hourly air quality monitoring results. Near real-time air quality readings and hourly averages from the station are available at http://www5.tceq.state.tx.us/tamis/index.cfm?fuseaction=report.view_site&siteAQS=481211007. The Flower Mound monitor is the sixth such TCEQ device located in the Barnett Shale[MW1] . The TCEQ funds up to $250,000 for the equipment, installation, and the first year of operation, and an additional $100,000 per year thereafter for operation and maintenance.

TCEQ Barnett Shale Air Sampling Map

The Barnett Shale Viewer is a Texas Commission on Environmental Quality interactive mapping tool that displays that agency’s air sampling results throughout the Barnett Shale Geographical Area. Updated monthly by the fifth business day of the month, the viewer illustrates specific locations and the type of air quality monitoring that has been completed. Detailed monitoring reports from the samples are also available through the TCEQ website. Please visit the viewer for additional information.

Texas Department of Health Services Report Indicates No Evidence of Cancer Clusters in Flower Mound 

 The Texas Department of State Health Services (TDSHS) report identifies no evidence of cancer clusters within Flower Mound and brings closure to a 2010 cancer rate study conducted within the Town.

The report summarizes the results of the investigation that included the Flower Mound zip codes of 75022 and 75028. The study concluded that the number of childhood leukemia subtypes, childhood brain/CNS cancer subtypes, all-age leukemia subtypes, and all-age non-Hodgkin’s lymphoma were within the expected ranges both for males and females. It was also noted that the number of female breast cancer cases found reported for these zip codes was statistically greater than what was expected, but the report indicated that the increase was likely explained by the rapid increase in the Flower Mound population during the times in which the data was collected.

Please review the 
2011 report and a related Texas Department of State Health Services press release for additional information. The report updates previous analysis conducted in March 2010 by including more recent cancer data. According to the Texas Department of State Health Services report:

  • The chances of a person developing cancer as a result of exposure to an environmental contaminant are slight. Most experts agree that exposure to pollution, occupational, and industrial hazards account for fewer than 10 percent of cancer cases, and it often takes time for cancer to develop as 10 to 40 years can go by between the exposure to a carcinogen and a the diagnosis of cancer.
  • There was a slight elevation of female breast cancer.  The previous March 2010 report indicated this increase was likely higher due to population growth and higher mammography use compared to Texas overall.  The March 2011 report indicates the elevation in female breast cancer is most likely due to growth in population.  Currently, research does not show a link between breast cancer risk and environmental pollutants, and there isn’t any established scientific link between breast cancer and benzene, the contaminant of chief concern to the Flower Mound community.
  • As benzene has been shown to have an association with leukemia and non-Hodgkin’s lymphoma, the investigation studied all-age leukemia subtypes; all-age non-Hodgkin’s lymphoma; female breast cancer; and childhood brain/central nervous system (CNS) cancers.  The report included complete statewide cancer data from the Texas Cancer Registry (TC) through 2008; however, DSHS also evaluated preliminary data for years 2008-2010 (as of March 2011).
  • Flower Mound worked with the Texas Commission on Environmental Quality to install a permanent Auto GC monitoring station within the Town in 2010. Recent reports from the station have revealed a 2011 benzene level average of 0.16 parts per billion. The Texas Commission on Environmental Quality’s short-term Air Monitoring Comparison Value is 180 parts per billion.
  • Flower Mound has implemented several measures to monitor benzene and air quality since 2010 including the purchase of mobile air quality testing equipment, the implementation of an independent monthly air quality testing program, with supplemental testing for sulfides and carbonyls as needed, and the hiring a full-time oil and gas inspector. This significant service level increase is being paid for by gas well operators via an approved increased permit fee.

For additional information regarding the TDSHS studies, please contact Ms. Brenda Mokry, with the TDSHS Epidemiology Studies and Initiatives Branch at 512.776.3606.

TCEQ Air Sampling Reports

The Texas Commission on Environmental Quality (TCEQ) conducted air sampling tests on January 13, 2010, at various gas well locations within Flower Mound. The Town contacted TCEQ and requested the tests in December 2009. The site visits and sampling consisted of TCEQ representatives taking weather data and wind speed, using an infrared monitor to check for emissions, checking for total volatile organic compounds at the site. The TCEQ released a preliminary e-mail summary of the January 13, 2010, air quality monitoring activity on January 20, 2010, detailing the locations and times in which monitoring occurred, the types of tests and readings, weather conditions, and equipment utilized.  The preliminary analysis produced results indicating no detectable concentrations of volatile organic compounds (VOC - benzene, toluene, methane, etc.) at the two test locations in Flower Mound. Additionally, infrared cameras did not detect emissions from the compressor engines and heater units other than those associated with normal operations. The TCEQ conducted an additional round of testing on January 21, 2010, that involved canister sampling. On March 23, 2010, the TCEQ released the final laboratory analysis results of the Bunn Unit report testing and the Wilson Compressor report testing. In response to methane concerns reported on March 3, 2010, the TCEQ conducted an investigation and collected air samples on March 4, 2010, at the reported location. The laboratory analysis results did not indicate that any of the major compounds exceeded TCEQ screening levels.  View the 100314 and 100315 reports to review the laboratory results for the two samples.   





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