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SIP Revision: Houston-Galveston-Brazoria, October 27, 1999

Revision to the State Implementation Plan for Houston-Galveston-Brazoria adopted on October 27, 1999.

On October 27, 1999, the TCEQ adopted a revision to the Texas State Implementation Plan (SIP) the attainment demonstration for the Houston-Galveston-Brazoria (HGB) ozone nonattainment area.

About the Revision

Adoption Date: 10/27/1999
Proposal Date: 06/12/1999
EPA Approval Date: 11/14/2001 (66 FR 57160Exit the TCEQ

Key Changes: This SIP revision serves as the required next step in the attainment demonstration planning process for the HGB ozone nonattainment area.

The revision contains the following elements:

  • Air quality dispersion modeling of specific control strategies for attainment of the one-hour ozone standard in the HGB area by the attainment date of November 15, 2007.
  • An analysis of seven specific modeling scenarios reflecting various combinations of federal, state, and local controls in HGB.
  • Identification of the level of reductions of volatile organic compounds (VOC) and nitrogen oxides (NOx) necessary to attain the one-hour ozone standard by 2007.
  • VOC and NOx motor vehicle emissions budgets necessary for approval of highway projects under transportation conformity rules.
  • Identification of specific source categories which, if controlled, could result in sufficient VOC and/or NOx reductions to attain the standard.
  • Commitments and schedules to submit other required elements of the attainment demonstration.

SIP Narrative and Appendices

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SIP Narrative and Misc. Documentation

Title Log No. PDF WP
Adopted HGB Attainment Demonstration SIP narrative (Part II) 1999-021-SIP-AI
Proposed HGB Attainment Demonstration SIP narrative (Part II) 1999-021-SIP-AI
Evaluation of Testimony 1999-021-SIP-AI


App. Title PDF WP
Adopted Appendices
A Additional Evaluations for the 2007 Houston Attainment Demonstration N/A
B Modeling for the Houston-Galveston Ozone Attainment Demonstration
C Migration of the HGA Ozone Modeling from UAM-V to CAMx N/A
D Effects of Revised Biogenic and Future-Year Mobile Emissions Estimates on Ozone in the Houston-Galveston Region N/A
E Evaluation of CAMx Base Case Model Performance for the September 6–11, 1993 COAST Episode N/A
F Scope of Services—Transportation Air Quality Technical Support N/A
G Development of Gridded Mobile Source Emissions Estimates for the HGA Nonattainment Counties FY2000 in Support of the COAST Project. Technical Note. N/A
H MOBILE5a-h Input and Output Mock-up Files Depicting Parameterizations Used in Emissions Modeling for FY 2007 Performed by Texas Transportation Institute in Support of the COAST Project. N/A
I Estimation of NOx and VOC Emission Changes in the HGA, BPA, DFW, and Central and East Texas Areas Using Survey Data. N/A
J Cross Reference Table for Point Source Categories and Source Category Codes N/A
K Development of COAST CAMx Initial and Boundary Conditions N/A
L Modeling to Confirm the VOC/NOx Directional Guidance Established for the HGA Area N/A
M Evaluation of Control Strategies for the Houston-Galveston Area N/A
N Voluntary Mobile Source Emission Reduction Programs