Emissions Inventory Files
2006 TexAQS II Intensive, Special Inventory Period
(Aug. 15–Sept. 15) Modeling: Emissions Inventory
Files
The TCEQ has made available emissions inventory files for point,
area, non-road, on-road and biogenic sources that coincide with the
2006 hourly Special Inventory. For this period, the hourly SI
emissions are built into the point source files, as well as the
hourly acid-rain emissions for the power plants within the modeling
domain. The files are in ASCII (e.g., AFS and AMS) formats. The
TCEQ is using these files for photochemical modeling of the period;
they are subject to change. Please see the ReadMe.txt files for
further instructions and important explanations.
FTP page
The official 2005 EI for Texas, as reported to the EPA by the
TCEQ in NEI/CERR format, as of June 1, 2007, is available via FTP
link and described in the section below.
2006 Hourly Point Source Emissions Inventory
The 2006 hourly point source emissions inventory was collected
during the intensive field research portion of the second Texas Air
Quality Study (TexAQS II) from August 15 to September 15, 2006.
During this period, 141 sites in the eastern half of Texas reported
their hourly emissions of volatile organic compounds (VOC) and
nitrogen oxides (NOx) from predetermined
industrial sources.
Sources were selected for the 2006 hourly inventory based upon
the following criteria:
- sources subject to highly reactive VOC rules
- NOx and sulfur dioxide sources
equipped with continuous emissions monitors, and
- emissions sources located near ambient air monitoring
sites.
The 2006 hourly point source emissions inventory data and a PDF
file with instructions on importing the data can be downloaded
here:
FTP
page
For additional information on the 2006 hourly point source
emissions inventory, please contact Danielle Nesvacil at
512-239-2102.
2005 NEI/CERR Texas Submissions to the EPA
The 2005 National Emissions Inventory data consist of a set of
eight compressed fixed-length text files. The format of the text
files corresponds to the Environmental Protection Agency’s national input
format, version 3.1. All data within the files are based on the
identification numbers generated in the State of Texas Air
Reporting System (STARS) database and not the industry-submitted
names for the equipment at the sites. The emissions listed
represent both criteria and hazardous air pollutant emission rates
with annual emissions stated in tons per year and ozone season
emissions in pounds per day.
Emissions Inventory data—FTP page
All emissions inventory categories can be found at the above
address, including point, area, nonroad mobile, and onroad mobile
sources. Each is located within its own subdirectory, each with its
own ReadMe file explanation.
Direct link to the 2005 mobile source EI
TCEQ Auto GC (HGB and non-HGB) 2005 and 2006 Data
TCEQ Auto-GC data from 2005 and 2006 are available at the FTP
page linked below. The data are for the entire state. They are
split into HGB and non-HGB files, and are in both DBF and SAS
dataset format. All files are zipped.
FTP
page
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Files.)
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