treasure valley road dust study: final report - ResearchGate

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ACKNOWLEDGEMENTS For their assistance in completing this <strong>study</strong>, we would like to thank Kevin Barton, Errol Morgan, Mary Ann Waldinger, Ross Dodge, Curt Taipale, Matthew Moore, Clide Durham, Allison Pollack, Chris Emery, and Dale Gillette. We would also like to extend special thanks to Karin Hendrickson and Michael McGown for assisting in the planning, coordination, and execution of this project. The comments of the IDEQ technical review committee were very helpful and appreciated. This work was completed under contract by the Idaho Department of Environmental Quality, Boise, ID (# C041). Experiments at Ft. Bliss were completed under a separate contract issued by the Department of Defense (SERDP CP1191). iii
Page 1: TREASURE VALLEY ROAD DUST STUDY: FI
Page 6 and 7: The TRAKER loop data combined with
Page 8 and 9: 4.1.1 Converting TRAKER Data Into E
Page 11 and 12: TABLE OF FIGURES Figure 2-1. Map of
Page 13 and 14: y vacuuming for silt analysis. The
Page 15 and 16: Figure A-1. Map of Sample Collectio
Page 17 and 18: TABLE OF TABLES Table 2-1 Winter 20
Page 19 and 20: Table 7-5. Source profiles of Winte
Page 21 and 22: 1. INTRODUCTION 1.1 Background The
Page 23: as well as the effects of applicati
Page 26 and 27: W = Mean vehicle weight (tons). M =
Page 28 and 29: Table 2-2 Summer 2001 Silt Sampling
Page 30 and 31: Table 2-3. Silt Content and Silt Lo
Page 32 and 33: For the winter samples, silt loadin
Page 35 and 36: 3. TRAKER OPERATION The Treasure Va
Page 37 and 38: a. b. c. d. Figure 3-2. Photographs
Page 39 and 40: 3.2.3.2 Grimm 1.108 Particle Size A
Page 41 and 42: Figure 3-4. TRAKER Control Panel. R
Page 43 and 44: 100 90 80 Coefficeient of Variation
Page 45 and 46: lead to unsteady flow conditions be
Page 47 and 48: Fractional Line Loss 1.2 1 0.8 0.6
Page 49 and 50: PM 10 and PM 2.5 by DustTrak and pa
Page 51 and 52: Each tower was instrumented with fo
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30 25 Downwind Tower #1 (9 m from R
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Table 3-3. Average emissions factor
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T ? T * s 3 ( 4 ) EF ? bs ( 5 ) 1/
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study in Las Vegas (Kuhns et al., 2
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4. RESULTS OF TRAKER MEASUREMENTS I
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Table 4-1. GIS coverages used in TR
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Table 4-1. (cont) GIS coverages use
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Table 4-2 shows that there are no s
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Table 4-3. TRAKER street survey cov
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Log (volume-cars per lane per day)
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Table 4-6. Table of Emissions Poten
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emissions potentials was examined b
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Table 4-8. Turn-by-turn directions
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0.9 Emissions Potential [g/vkt/mps]
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4.4 Special Studies During the TVRD
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Both roads were surveyed twice with
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0.8 0.7 S1 Sanded and Vacuum Swept
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Tests were conducted on 07/22/01 th
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the large material into finer parti
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5.1.1.1a Roads covered by Traffic D
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Table 5-3. Speeds and VKT by county
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the emissions calculation is that t
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2000 2010 2015 2020 Figure 5-2. Map
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Table 5-6. Unpaved Roads in km for
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Table 5-11. Table of modifiers for
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Table 5-13. Year 2000 Paved Road Du
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5.3.3 Comparisons of Road dust emis
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6. MODIFICATIONS OF ROAD DUST EMISS
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where ? is the von Karman constant
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approximately 55% 500 seconds downw
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6.3 Discussion The depletion of PM
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7. SOURCE MEASUREMENTS Source appor
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[Elemental Carbon (EC)] = [EC] [Amm
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Table 7-2. Table of geologic sample
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mass (14% to 19%). Road dust is not
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Treasure Valley Road Dust Winter Sa
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Table 7-3. Source profiles of Winte
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Table 7-5. Source profiles of Winte
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8. SUMMARY AND CONCLUSIONS The Trea
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class (local/residential, collector
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espectively. The equivalent EPA def
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elemental carbon abundances that we
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important to note that the experime
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9. REFERENCES Chow, J.C., and J.G.
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APPENDIX A. MAPS OF ROAD DUST COLLE
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Table A-1. Winter 2001 Silt Samplin
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Figure A-2. Map of Silt Loading Loc
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Table A-4. Laboratory Silt Analysis
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Table A-12. Laboratory Silt Analysi
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Figure A-10. Map of Silt Loading Lo
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Figure A-13. Sampling locations of
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B.1 Precipitation Daily precipitati
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Frequency of occurrence (days/year)
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Average wind speed (mph) 8.5 8.0 7.
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C.1 Treasure valley Road Dust Study
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c. Year_2010_Emissions_Inventory_By
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B: The ID number for the Terminatin
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