treasure valley road dust study: final report - ResearchGate

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Table A-19. Laboratory Silt Analysis of Winter 2001 6th St. Sample Sample ID: RS586 Composite: Gross Weight Tape BOISL025 1210.1 clear BOISL026 1086.8 clear BOISL027 2170.5 clear Total 4467.4 Sieving: pan sample diff % diff Tare 698.3 20 min 814.9 116.6 30 min 853.0 154.7 38.1 24.6 40 min 0.0 -698.3 -853.0 122.2 Mass Determination Screen Tare weight (g) Final Weight(g) Net weight(g) Lid 215.8 216.1 0.3 1/4 inch 489.1 499.7 10.6 4 mesh 443.9 452.0 8.1 18 mesh 371.2 574.7 203.5 30 mesh 444.3 843.8 399.5 50 mesh 408.8 1179.5 770.7 100 mesh 384.2 647.3 263.1 200 mesh 378.9 657.1 278.2 Pan + 400 698.3 879.5 181.2 Total Stack 3834.6 5948.7 2114.1 Total Stack (with sample) 5948.8 Total Stack (calc) 3834.5 5949.7 2115.2 . Silt Calculation Total stack 5948.7 Tare stack 3834.6 Total sample 2114.1 Total silt 181.2 % Silt (
Table A-20. Laboratory Silt Analysis of Summer 2001 6th St. Sample Date:8/29/01 Technician:KAS Project:BOISE Sample ID:RS630 BOISL070,071,072 Gross weight of sample _1308.1g ___________ Sieving: pan sample diff % diff Tare 698.6 20 min 711.5 12.9 30 min 712.4 13.8 0.9 6.5 40 min 712.5 13.9 0.1 0.7 Mass Determination . Screen Tare weight (g) Final Weight(g) Sample weight(g) Lid 216 216 0 1/4 inch 488.8 833.5 344.7 4 mesh 445.8 641.9 196.1 18 mesh 368.1 748.2 380.1 30 mesh 442.9 514.5 71.6 50 mesh 408.4 481.8 73.4 100 mesh 383.7 422.7 39 200 mesh 378.9 402.2 23.3 Pan (+400*) 698.6 712.5 13.9 Total Stack 3831.3 4973.3 1142 Total Stack+sample 4973.5 Silt Calculation Total stack 4973.3 Tare stack 3831.3 Total sample 1142 Silt (
Page 1:
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
Page 124 and 125: Treasure Valley Road Dust Winter Pa
Page 127 and 128: 7.3 Source Profile Summary This a p
Page 129 and 130: Table 7-4. Source profiles of Summe
Page 131: 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
Page 142 and 143: sweepers to reduce PM 10 emissions
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 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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