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Effective control measures at high particulate pollution areas : analysis of data from the 2000 Phoenix Greenwood study

File Language:
English


Details

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  • Subject/TRT Terms:
  • Publication/ Report Number:
  • Resource Type:
  • Geographical Coverage:
  • TRIS Online Accession Number:
    1001278
  • OCLC Number:
    60641266
  • Edition:
    Final report; 04/2000 to 10/2004
  • Corporate Publisher:
  • NTL Classification:
    NTL-ENERGY AND ENVIRONMENT-ENERGY AND ENVIRONMENT ; NTL-ENERGY AND ENVIRONMENT-Air Quality ; NTL-ENERGY AND ENVIRONMENT-Environment Impacts ; NTL-REFERENCES AND DIRECTORIES-Statistics
  • Abstract:
    Annual average PM10 concentrations at the Greenwood monitoring station in western Phoenix have

    exceeded EPA’s annual average air quality standard and are higher on average than values observed at the

    West Phoenix monitor, which is located just 2.2 miles (3.5 km) to the northwest. While the West Phoenix

    site is in a residential area away from any major thoroughfares, the Greenwood monitor is located just 330

    feet (0.10 km) south of I-10 and within a half mile of the heavily traveled I-10/I-17 interchange. Data

    collected during a field measurement program conducted in the spring of 2000 were analyzed to determine

    the extent to which the nearby roadways influence PM10 levels at Greenwood. Analyses of the field data

    showed evidence of stronger on-road mobile source impacts at Greenwood than at other nearby sites,

    including West Phoenix. Dispersion modeling of mobile source emissions showed that on-road sources

    contribute 3.6 to 4.2 times as much PM10 at Greenwood as at three nearby sites (West Phoenix, Autoyard,

    and the Phoenix Supersite). These results were combined with monitoring data, a recent PM2.5 emissions

    inventory for Phoenix, and results of a receptor modeling study at Supersite to estimate that the average onroad

    mobile source PM10 impact at Greenwood is approximately 30 μg/m3,which represents 54% of the total

    observed PM10. Local traffic sources within roughly a half-mile radius of Greenwood are estimated to

    account for 66% of the total mobile source impact or approximately 20 μg/m3 or 36% of the total observed

    PM10.

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  • Main Document Checksum:
    urn:sha256:b6aa0ba7f5cad4faef802e4b0f48040a9456fb603deffeb2a266fcac716d3f29
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  • File Type:
    Filetype[PDF - 1.10 MB ]
File Language:
English
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