Update of Diesel Construction Equipment Emission Estimates for the State of Texas – Phase I and II Final Report Prepared for: Texas Commission on Environmental Quality Prepared by: Eastern Research Group, Inc. July 31, 2009 Update of Diesel Construction Equipment Emissions Estimates for the State of Texas – Phase I and II Final Report Prepared for: Air Quality Division Texas Commission on Environmental Quality P. O. Box 13087 Austin, TX 78711-3087 Prepared by: Rick Baker Diane Preusse Eastern Research Group, Inc. 5608 Parkcrest Drive, Suite 100 Austin, TX 78731 July 31, 2009 Table of Contents Executive Summary .............................................................................................................ES-1 1.0 Introduction ...............................................................................................................1-1 2.0 Data Collection Plan ..................................................................................................... 2-1 2.1 Heavy-Highway Subsector............................................................................... 2-4 2.2 Special Trades Subsector .................................................................................. 2-5 2.3 Demolition Activity Profile .............................................................................. 2-6 2.4 Mining and Quarry Subsector........................................................................... 2-7 2.5 Specialty Equipment Profiles............................................................................ 2-8 2.6 Specialty Operator Subsectors .......................................................................... 2-9 3.0 Data Collection.............................................................................................................3-1 3.1 Mining and Quarry Operations ......................................................................... 3-2 3.2 Special Trades Contractor Equipment Operation ............................................. 3-7 3.3 Rough Terrain Forklifts (RTFs) and Trenchers.............................................. 3-13 3.4 Scrap and Recycling ....................................................................................... 3-24 3.5 Utility Construction (Demolition Profile)....................................................... 3-28 3.6 Uncertainty Analysis and Confidence Intervals ............................................. 3-28 4.0 Data Analysis and Surrogate Application..................................................................... 4-1 4.1 Development and Application of Analytical Weights – RTFs, Trenchers, Special Trades Contractors ............................................................................... 4-1 4.1.1 RTFs and Trenchers.............................................................................. 4-1 4.1.2 Special Trades Contractors ................................................................... 4-3 4.2 Population Surrogates....................................................................................... 4-4 4.2.1 RTF and Trencher Equipment Population ............................................ 4-6 4.2.2 Scrap and Recycling Equipment Population......................................... 4-8 4.2.3 Special Trades Contractor Equipment Population................................ 4-9 4.2.4 Mining and Quarry Equipment Population......................................... 4-10 4.3 Geographic Allocation.................................................................................... 4-12 4.3.1 RTF and Trencher Allocation ............................................................. 4-12 4.3.2 Scrap and Recycling Equipment Allocation....................................... 4-17 4.3.3 Special Trades Contractor Equipment Allocation .............................. 4-23 4.3.4 Mining and Quarry Equipment Allocation ......................................... 4-23 4.4 Growth Surrogates.......................................................................................... 4-36 4.4.1 RTF and Trencher Growth.................................................................. 4-36 4.4.2 Scrap and Recycling Growth .............................................................. 4-38 4.4.3 Special Trades Contractor Growth...................................................... 4-38 4.4.4 Mining and Quarry Growth ................................................................ 4-38 4.5 Horsepower Distributions............................................................................... 4-38 4.5.1 RTFs and Trenchers............................................................................ 4-38 4.5.2 Scrap and Recycling Equipment......................................................... 4-39 4.5.3 Special Trades Contractor Equipment ................................................ 4-39 4.5.4 Mining and Quarry Equipment ........................................................... 4-41 5.0 Phase II Data and Emissions Updates........................................................................... 5-1 5.1 Integrating NONROAD2008 within TexN....................................................... 5-1 5.1.1 New Small SI and Recreational Marine Rules ..................................... 5-1 i 5.2 Updates to Statewide Agricultural Equipment Data....................................... 5-10 5.3 Update to Heavy-Highway Growth Surrogates .............................................. 5-12 5.4 Update to DCE Profile for Alamo Area Council of Governments (San Antonio) Area ................................................................................................. 5-16 6.0 Emissions Inventory Development and Results ........................................................... 6-1 6.1 TexN Updates................................................................................................... 6-1 6.2 Emissions Estimation........................................................................................ 6-2 6.3 Selected Comparisons....................................................................................... 6-8 6.4 NIF File Development ...................................................................................... 6-9 7.0 Conclusion ...............................................................................................................7-1 Appendix A Data Collection Plan Appendix B Mining and Quarry Data Collection Form Appendix C Mining and Quarry Site Visit Summaries Appendix D Survey Questionnaire for Special Trades Contractors Appendix E NONROAD2005 Default Scrap Function Appendix F Geographic Allocation Factors by Survey Subsector and Strata Appendix G County Level Growth Factors for Scrap/Recycling Subsector Appendix H County Level Growth Factors for Special Trades Contractors Appendix I County Level Growth Factors for Mining/Quarry Activity Appendix J Heavy-Highway Update Supporting Information List of Tables Table ES-1. Statewide Equipment Population Comparisons – Previous vs. Updated TexN Data (2007) .......................................................................................................ES-2 Table ES-2. Activity Comparisons – Previous vs. Updated TexN Data (Hrs/Yr).................ES-2 Table ES-3. Mining Equipment and Activity Updates ..........................................................ES-3 Table ES-4. Quarry Equipment and Activity Updates...........................................................ES-3 Table ES-5. 12 County AACOG 2008 Ozone Season Day Emissions Before and After Update .............................................................................................................ES-8 Table ES-6. Region/Episode Year TexN Modeling Scenarios..............................................ES-9 Table ES-7. Non-road Emission Estimates, Beaumont-Port Arthur Region.......................ES-10 Table ES-8. Non-road Emission Estimates, Dallas-Fort Worth Region..............................ES-11 Table ES-9. Non-road Emission Estimates, Houston-Galveston-Brazoria Region.............ES-12 Table ES-10. Non-road Emission Estimates, AACOG Region...........................................ES-13 Table ES-11. Non-road Emission Estimates, Statewide Totals, 2008..................................ES-14 Table 3-1. Coal Mining Equipment Survey Results ................................................................. 3-4 Table 3-2. Quarry Survey Respondent Profile.......................................................................... 3-5 Table 3-3. Quarry Equipment Type Distribution...................................................................... 3-6 Table 3-4. Surveyed Quarry Equipment Profile ....................................................................... 3-7 Table 3-5. Special Trades Call List Distribution by Strata....................................................... 3-8 Table 3-6. Special Trades Survey Completes and Ineligibles by Strata................................. 3-10 Table 3-7. Special Trades Survey Respondent Operations by County................................... 3-11 Table 3-8. Surveyed Unit Counts, Average HP and Activity by Equipment Type ................ 3-13 Table 3-9. Respondent Cooperation and Eligibility for RTFs............................................... 3-14 ii Table 3-10. Respondent Rates by Strata for RTFs ................................................................ 3-14 Table 3-11. Respondent Cooperation and Eligibility for Trenchers...................................... 3-15 Table 3-12. Respondent Rates by Strata for Trenchers ........................................................
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