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Proposed Method to Quantify Particulate Matter Emissions from Windblown Dust

Proposed Method to Quantify Particulate Matter Emissions from Windblown Dust. Duane Ono, Great Basin Unified Air Pollution Control District Ken Richmond, ENVIRON International, Corp . Presented at CSOSE Meeting, Las Vegas, NV May 17, 2011. OTM Status.

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Proposed Method to Quantify Particulate Matter Emissions from Windblown Dust

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  1. Proposed Method to Quantify Particulate Matter Emissions from Windblown Dust Duane Ono, Great Basin Unified Air Pollution Control District Ken Richmond, ENVIRON International, Corp. Presented at CSOSE Meeting, Las Vegas, NV May 17, 2011

  2. OTM Status • Draft OTM (Other Test Method) is available for review by Inverse Modeling Technical Committee. • Revise OTM by the end of June and submit to USEPA for review.

  3. Principles of the Method • The vertical flux of windblown particulate matter (PM) emissions is proportional to the horizontal saltation (or sand) flux (q) for a given area and time. • The ratio of the PM flux to sand flux (aka K-factors, Kf) can be back-calculated from monitored PM concentrations using a dispersion model. • K-factors can be used with sand flux (Kf) to estimate PM emissions. PM = Kf x q

  4. Applicability • The proposed method can be applied on any open surface area susceptible to wind erosion where saltation (or sand) flux can be measured. • Windblown particulate matter can be quantified for PM10, PM10-2.5 or PM2.5.

  5. OTM Includes: • Sampling network and equipment requirements • QA/QC for data collection • Calculation procedures • Sample application using the proposed method • Alternative approaches: sand flux with default Kf, sand catch as a survey tool, threshold wind speed determination.

  6. Dust Monitoring Equipment

  7. Design specifications for the Cox Sand Catcher (CSC)

  8. Example of Monitoring Network

  9. PM10 v. Sand Flux

  10. K-factors v. Time

  11. PM10 Emissions v. Wind Speed

  12. PM10 Prediction v. Observation

  13. PM10Prediction for Wind Event

  14. Accepting Comments onWindblown Dust Method • Proposed draft OTM is available to Inverse Modeling Committee at https://www.mriportal.org • Please submit comments to Duane Ono, duaneono@yahoo.com

  15. Contact Information Duane Ono Great Basin Unified Air Pollution Control District 157 Short Street Bishop, CA 93514 (760) 872-8211 duaneono@yahoo.com Ken Richmond ENVIRON International, Corp. 19020 33rd Avenue West, Suite 310 Lynnwood, WA 98036-4748 (425) 412-1809 krichmond@Environcorp.com

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