TCEQ AMBIENT AIR MONITORS IN CORPUS CHRISTI Texas

TCEQ AMBIENT AIR MONITORS IN CORPUS CHRISTI Texas Commission on Environmental Quality Julie Eldredge, Ambient Monitoring Section Manager

OUTLINE Overview of TCEQ Air Monitors in Corpus Christi Specific Site Information Data Use and Access

OVERVIEW OF TCEQ AIR MONITORS IN CORPUS CHRISTI TCEQ operates eight sites in Corpus Christi The majority of monitoring sites are strategically sited downwind of industrial sources along the Nueces Bay.

OVERVIEW OF TCEQ AIR MONITORS IN CORPUS CHRISTI

OVERVIEW OF TCEQ AIR MONITORS IN CORPUS CHRISTI Five sites monitoring O 3, SO 2, PM 2. 5 (including PM 2. 5 mass and particulate speciation), and PM 10 are used to evaluate compliance with the National Ambient Air Quality Standards (NAAQS). In addition, state initiative monitoring sites monitor speciated volatile organic compounds (VOCs) by canister and automated gas chromatography and H 2 S.

OVERVIEW OF TCEQ AIR MONITORS IN CORPUS CHRISTI Meteorological data, such as wind, temperature, relative humidity, and solar radiation, are also monitored to help inform and characterize monitoring results at a site.

OVERVIEW OF TCEQ AIR MONITORS IN CORPUS CHRISTI Monitoring networks are implemented based on federal regulations found in 40 CFR Part 58. These regulations outline the rules and requirements for monitoring criteria pollutants, including quality assurance, monitoring methodology, and siting requirements.

OVERVIEW OF TCEQ AIR MONITORS IN CORPUS CHRISTI Per the 2017 TCEQ Annual Monitoring Network Plan, the table below shows the number of current monitors and the monitoring requirements, based on population (454, 726), for the Corpus Christi Metropolitan Statistical Area : NO/NO 2/NOx/NOy Required Current 0 0 O 3 Required Current 2 2 PM 2. 5 Required Current 2 4 SO 2 Required 0 Pb Current 3 Required 0 CO Required 0 Current 0 PM 10 Current 0 Required 0 -1 Current 1

SPECIFIC SITE INFORMATION National Seashore Located: Park Road, Corpus Christi Deployed: December 2002 Monitors: PM 2. 5 (gravimetric)

SPECIFIC SITE INFORMATION Corpus Christi West Located: Airport Blvd, Corpus Christi Deployed: March 1998 Monitors: O 3 and SO 2

SPECIFIC SITE INFORMATION Corpus Christi Tuloso Located: La Branch, Corpus Christi Deployed: Between July 1984 and October 1987 Monitors: O 3 and SO 2

SPECIFIC SITE INFORMATION Corpus Christi Huisache Located: Huisache Street, Corpus Christi Deployed: Between August 1997 and January 2000 Monitors: PM 2. 5 (gravimetric), SO 2, Speciated VOCs, and H 2 S

SPECIFIC SITE INFORMATION Dona Park Located: Up River Road, Corpus Christi Deployed: Between January 2001 and June 2013 Monitors: PM 2. 5 (gravimetric and speciation), PM 10 (gravimetric), Speciated VOCs

SPECIFIC SITE INFORMATION Corpus Christi Hillcrest Located: Nueces Bay Boulevard, Corpus Christi Deployed: November 1998 Monitors: Speciated VOCs

SPECIFIC SITE INFORMATION Corpus Christi Palm Located: Palm Drive, Corpus Christi Deployed: June 2010 Monitors: Speciated VOCs and total non-methane organic compounds (TNMOC)

SPECIFIC SITE INFORMATION Williams Park Located: Dempsey Road, Corpus Christi Deployed: August 2005 Monitors: Speciated VOCs and TNMOC

DATA USE AND ACCESS Ambient air monitoring data has multiple uses, including: Determining compliance with the NAAQS; Evaluating measured concentrations for their potential to cause health effects and odors; Evaluating air permit applications; Assessing the behavior and nature of air pollution; and Forecasting concentrations of certain pollutants, such as ozone or particulate matter

DATA USE AND ACCESS Data is validated and uploaded to the Texas Air Monitoring Information System (TAMIS) database. Data from federally funded monitors are also uploaded to the EPA Air Quality System (AQS) database.

DATA USE AND ACCESS Data can be accessed by the public using the following link: http: //www 17. tceq. texas. gov/tamis/index. cfm? fuseactio n=home. welcome Continuous data can be accessed in near real-time. Non-continuous data is available approximately three – four months after the end of the quarter.

QUESTIONS?

CONTACT INFORMATION Julie Eldredge Ambient Monitoring Section Manager Texas Commission on Environmental Quality Office: (512) 239 -1714 julie. eldredge@tceq. texas. gov