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refNum 20 – DETERMINATION OF PARTICLE SIZE DISTRIBUTION AND CHEMICAL COMPOSITION OF PARTICULATE MATTER FROM SELECTED SOURCES IN CALIFORNIA. OMNI Environmental Services, Inc. (Research Note 90-2). A6-175-32.

Current Status – Completed Data

This page last edited: 8/1/2008 (Text and documents, below, from ARB Research Division website)

Objective: To determine the size distribution and chemical composition of particles directly emitted from selected sources: agricultural burning, soils, crude oil combustion, diesel trucks, paved and unpaved roads, residential wood combustion, sand and cinder storage dust, and unpaved urban areas.
Findings: Chemical profiles were developed for each of the sources in seven particle size categories and total suspended particulate. Chemical analyses were conducted for 43 different chemical species.

    Importance to ARB’s Program: The results of this study were used to relate source contributions to measured particulate concentrations in the atmosphere to provide insight into the environmental and human health impacts of specific sources, and for attainment of the State and Federal ambient air quality standards for particulate pollution (PM10).

          o Volume I: Abstract -- Chapter 2 (PDF - 4,652K) - a6-175-32a_i.pdf

          o Volume I: Ch 3 -- Chapter 8 (PDF - 3,563K) - a6-175-32b_i.pdf

          o Volume II: A-1 -- A-6 Soil 11 (PDF - 1,992K) - a6-175-32a_ii.pdf

          o Volume II: Soil 12 -- Soil 25 (PDF - 2,448K) - a6-175-32b_ii.pdf

          o Volume II: Soil 26 -- MADIEC (PDF - 2,553K) - a6-175-32c_ii.pdf

          o Volume II: Errata Soil 6 -- Soil 21 (PDF - 213K) - a6-175-32app_ii.pdf

          o Volume III: Appendix B -- Appendix F (PDF - 4,066K) - a6-175-32a.pdf

          o Volume III: Appendix G -- Appendix H (PDF - 2,731K) - a6-175-32b.pdf