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Journal of the Air & Waste Management Association Volume 61, 2011 - Issue 4
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Technical Papers

Evaluation of Particulate Matter Abatement Strategies for Almond Harvest

William B. Faulkner Department of Biological and Agricultural Engineering, Texas A&M University, College Station, TX, USACorrespondence[email protected]
,
Daniel Downey Department of Biological and Agricultural Engineering, University of California–Davis, Davis, CA, USA
,
D. Ken Giles Department of Biological and Agricultural Engineering, University of California–Davis, Davis, CA, USA
&
Sergio C. Capareda Department of Biological and Agricultural Engineering, Texas A&M University, College Station, TX, USA
Pages 409-417 | Published online: 10 Oct 2011

Figures & data

Figure 1. Reduced-pass sweeper.

Figure 1. Reduced-pass sweeper.

Figure 2. Orchard layout for sweeping and windrow conditioning tests (not to scale).

Figure 2. Orchard layout for sweeping and windrow conditioning tests (not to scale).

Figure 3. Sampler configuration (not to scale).

Figure 3. Sampler configuration (not to scale).

Figure 4. Scanning electron microscope image of collected PM particle.

Figure 4. Scanning electron microscope image of collected PM particle.

Figure 5. Windrow conditioning while measuring in-orchard TSP/PM10 and opacity.

Figure 5. Windrow conditioning while measuring in-orchard TSP/PM10 and opacity.

Figure 6. Example sample area for pre- and postsweep nut counts (not to scale).

Figure 6. Example sample area for pre- and postsweep nut counts (not to scale).

Table 1. Meteorological parameters measured on-site during sampling

Table 2. PSD parameters from TSP filters

Table 3. Mass and emissions from sweeping treatments

Table 4. Average number of nuts before and after sweeping operations

Table 5. Sweeper time-in-orchard and fuel use results

Table 6. Size separation results of windrow samples

Table 7. Within-canopy results from conditioning treatments

Table 8. Emissions from conditioning treatments (kg/km2)

Table 9. Size separation results after windrow conditioning

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