treasure valley road dust study: final report - ResearchGate

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Figure A-14. Sampling locations of unpaved <strong>road</strong> material: Unpaved Driveway Off Happy Valley Road, Canyon County, ID. A-40
Table A-26. Laboratory Silt Analysis of Winter 2001 Sample from Unpaved Driveway Off Happy Valley Sample ID: RS599 Composite: Gross Weight Tape BOISL057 1108.5 na BOISL058 837.0 na BOISL059 1094.4 na Total 3039.9 Sieving: splitter used before silt pan sample diff % diff Tare 698.6 20 min 720.9 22.3 30 min 721.6 23.0 0.7 3.0 40 min 721.6 23.0 Mass Determination Screen Tare weight (g) Final Weight(g) Net weight(g) Lid 216.0 215.9 -0.1 1/4 inch 488.9 537.7 48.8 4 mesh 444.0 481.5 37.5 18 mesh 372.5 1149.0 776.5 30 mesh 445.0 782.3 337.3 50 mesh 409.3 575.1 165.8 100 mesh 384.0 421.2 37.2 200 mesh 379.2 398.1 18.9 Pan + 400 698.6 721.6 23.0 Total Stack 3836.7 5283.6 1446.9 Total Stack (with sample) 5284.7 Total Stack (calc) 3837.5 5282.4 1444.9 . Silt Calculation Total stack 5283.6 Tare stack 3836.7 Total sample 1446.9 Total silt 23.0 % Silt (
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TREASURE VALLEY ROAD DUST STUDY: FI
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EXECUTIVE SUMMARY The Idaho Departm
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TABLE OF CONTENTS 1. INTRODUCTION..
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6.3 DISCUSSION ....................
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are strongly correlated and that on
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Figure 4-17. Map of street sweeper
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xvi
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Table 5-3. Speeds and VKT by county
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Table A-28. Laboratory Silt Analysi
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?? To assess the impact of winterti
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2. SILT MEASUREMENTS For this study
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vehicle tires. The lengths of the s
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Figure 2-1. Map of Sample Collectio
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Table 2-5 Silt Content and Silt Loa
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collectors. In contrast, summer sil
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3.2 TRAKER Measurements For the TVR
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introduced by the carbon vanes insi
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3.2.4.1 Data Acquisition The TRAKER
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Figure 3-6 shows the TRAKER coeffic
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250 200 PM2.5 signal (mg/m 3 ) 150
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Line losses associated with the Dus
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1.2 1 Left Diluted Right Diluted Pr
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Table 3-2. Regression exponents for
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3.4.2 Flux Calculation from Meteoro
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12.2 m 0.16 9.0 m 0.05 5.7 m 0.22 4
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400 Ford Ranger on NS Road by DW1 4
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ceiling can be further stretched to
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100 sL = 2.5717(T*) 0.4741 R 2 = 0.
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4.1.1 Converting TRAKER Data Into E
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Table 4-1. (cont) GIS coverages use
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Table 4-1. (cont) GIS coverages use
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a. b. Figure 4-1. Map of TRAKER Str
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egressions, R 2 and P-values are al
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Summer - Ada - Rural Summer - Ada -
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The average emissions factor is 6.7
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Figure 4-5. TRAKER Loop 4.3.1 Tempo
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weeks prior to being swept. While t
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4.3.2 Meteorological Effects on Unp
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Section 1 Section 2 Section 3 Figur
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Figure 4-13. Johnston HSD mechanica
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Approximately 8 hours after the ini
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One-second emissions potentials (i.
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5. EMISSIONS INVENTORIES FOR THE TR
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where E i.10 is the emissions in gr
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County Setting Road Class Speed (m/
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January, February, and March were u
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5.1.3.2a January 1 - 9, 2000, 2010,
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Table 5-9 Precipitation and snow co
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complete link-level emissions inven
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Table 5-14. Distributions of averag
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Taken on an average annual basis, T
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Z n , K zn , ? c/ ? z n Z 3 , K z3
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Table 6-1. Aerodynamic particle siz
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14 m 0 s 15 s 30 s 60 s 120 s 240 s
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Furthermore, the vertical profile o
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?? Sieving each sample to obtain a
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7-4 Table 7-1. Source Profile Key M
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Table 6-1 (continued). Table of geo
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Treasure Valley Road Dust Winter Pa
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7.3 Source Profile Summary This a p
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Table 7-4. Source profiles of Summe
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Table 7-6. Source profiles of Winte
Page 134 and 135: Bliss experiments were significant
Page 136 and 137: section was swept with a vacuum swe
Page 138 and 139: 8.3 Differences Between Emissions M
Page 140 and 141: determine at this time what fractio
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Page 144 and 145: McMahon T.A., and P.J. Denison (197
Page 146 and 147: Figure A-1. Map of Sample Collectio
Page 148 and 149: Table A-2. Summer 2001 Silt Samplin
Page 150 and 151: Table A-3. Laboratory Silt Analysis
Page 152 and 153: Figure A-3. Map of Silt Loading Loc
Page 160 and 161: Table A-10. Laboratory Silt Analysi
Page 176 and 177: Figure A-11. Sampling locations of
Page 178 and 179: Figure A-12. Sampling locations of
Page 189 and 190: APPENDIX B. BOISE PRECIPITATION AND
Page 191 and 192: Pecentile among days with precipita
Page 193 and 194: A.1 Wind speed The cumulative frequ
Page 195 and 196: APPENDIX C : EMISSIONS INVENTORIES:
Page 197 and 198: C.1.1.2a Field List for worksheets
Page 199 and 200: values specified by AP-42 and do no
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