AIR QUALITY MANUAL: VOL V-APPENDIX TO VOL IV

HIGHWAY ENGINEERS MUST PLAY AN IMPORTANT ROLE IN THE ENHANCEMENT AND PROTECTION OF THE ENVIRONMENT. THEY WILL HAVE TO CONSIDER A VARIETY OF FACTORS IN THE ENVIRONMENTAL IMPACT OF ANY HIGHWAY PROJECT AND COMPLETE A NUMBER OF STUDIES PRIOR TO WRITING AN IMPACT STATEMENT. ONE OF THESE STUDIES IS CONCERNED WITH THE GATHERING OF FIELD DATA, ANALYSIS OF SUCH DATA, AND WRITING AN AIR QUALITY REPORT. THIS MANUAL IS AN APPENDIX TO REPORT NUMBER FHWA-RD-73-36. THIS APPENDIX INCLUDES A SERIES OF CURVES SHOWING THE RELATIONSHIP BETWEEN GROUND LEVEL POLLUTANT CONCENTRATION RATIO AND DISTANCE FROM POLLUTANT SOURCE, AND ALSO IT INCLUDES A SERIES OF CURVES GIVING VERTICAL AND HORIZONTAL DISPERSION PARAMETERS. THE GROUND LEVEL CONCENTRATION RATIO VERSUS DISTANCE CURVES ARE DIVIDED INTO FOUR GROUPS; (1) AT GRADE SECTIONS WHERE THE WIND IS NOT PARALLEL TO THE HIGHWAY ALIGNMENT, (2) ELEVATED SECTIONS AND NON-PARALLEL WINDS, (3) CUT SECTIONS AND NON-PARALLEL WINDS, AND (4) VARIED HIGHWAY SECTIONS WITH PARALLEL WINDS. /FHWA/

  • Corporate Authors:

    California Department of Public Works

    1120 N Street
    Sacramento, CA  USA  95814

    California Division of Highways

    1120 N Street
    Sacramento, CA  USA  95814

    Federal Highway Administration

    1200 New Jersey Avenue, SE
    Washington, DC  USA  20590
  • Authors:
    • BEATON, J L
    • Ranzieri, A J
    • Shirley, E C
    • Skog, J B
  • Publication Date: 1972-4

Media Info

  • Pagination: 109 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00222627
  • Record Type: Publication
  • Source Agency: Federal Highway Administration
  • Report/Paper Numbers: FHWA-RD-72- 37 Interim, FCP 33F3-032
  • Contract Numbers: FH-11-7730
  • Files: TRIS, USDOT
  • Created Date: Oct 9 1976 12:00AM