treasure valley road dust study: final report - ResearchGate

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Table A-24. Laboratory Silt Analysis of Winter 2001 Pierce Park Sample Sample ID: RS595 Composite: Gross Weight Tape BOISL040 1115.4 na BOISL041 1470.9 na BOISL042 1776.2 na Total 4362.5 Sieving: splitter used before silt pan sample diff % diff Big rocks removed (79.7g) Tare 698.1 20 min 703.4 5.3 30 min 704.2 6.1 0.8 13.1 40 min 705.8 7.7 1.6 20.8 Mass Determination Screen Tare weight (g) Final Weight(g) Net weight(g) Lid 216.2 216.1 -0.1 1/4 inch 489.6 559.3 69.7 4 mesh 444.5 470.7 26.2 18 mesh 371.8 1076.0 704.2 30 mesh 444.6 562.1 117.5 50 mesh 409.4 442.4 33.0 100 mesh 384.0 391.8 7.8 200 mesh 378.9 380.4 1.5 Pan + 400 698.1 705.8 7.7 Total Stack 3834.6 4803.6 969.0 Total Stack (with sample) 4803.8 Total Stack (calc) 3837.1 4804.6 967.5 . Silt Calculation Total stack 4803.6 Tare stack 3834.6 Total sample 969.0 Total silt 7.7 % Silt (
Table A-25. Laboratory Silt Analysis of Summer 2001 Pierce Park Sample Date:8/29/01 Technician:KAS Project:BOISE Sample BOISL073,074,075 Gross weight of sample: 1801.0g 1/4 of the sample ID:RS631 Sieving: pan sample diff % diff Tare 724.5 20 min 750.5 26 30 min 751.2 26.7 0.7 2.6 40 min 0 -724.5 -751.2 103.7 Mass Determination . Screen Tare weight (g) Final Weight(g) Sample weight(g) Lid 222.5 22.5 -200 1/4 inch 488.9 582.2 93.3 4 mesh 445.9 472.8 26.9 18 mesh 369 1198.4 829.4 30 mesh 430.6 782.1 351.5 50 mesh 406.2 894.2 488 100 mesh 378.3 510.5 132.2 200 mesh 376.1 424 47.9 Pan (+400*) 724.5 751.2 26.7 Total Stack 3841.5 5637.9 1796.4 Total Stack+sample 5637.9 Silt Calculation Total stack 5637.9 Tare stack 3841.5 Total sample 1796.4 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
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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
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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