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METADATA INFORMATION: 
     METADATA LAST CHANGE DATE: 7/17/02
GENERAL INFORMATION: 
              CITATION - TITLE: Michigan Air Pollution (AIRS)
        BIBLIOGRAPHIC CITATION: MSU Map Library, 2002
             BRIEF DESCRIPTION: Displays sites identified by US EPA as stationary sources of air pollution.
      INTENDED USE/LIMITATIONS: Any use/ no limitations
         DESCRIPTION - PURPOSE: Intended for use by students, teachers, researchers, policymakers, Michigan residents. 
                                Location of major sources of air pollution.
                  DATA VINTAGE: 2001
               LAST FILE EDIT DATE: 3/20/01
     ARCHIVE/TRANSFER FILE TAG: Complete - new archived data file
         CHANGES FROM PREVIOUS: Converted to ArcView shapefile using latitude/longitude coordinates provided by the EPA.
                                Sites whose latitude/longitude coordinates did not place them in the appropriate county 
                                were reevaluated and adjusted to approximate their identified city and county location.
                                Data is unprojected.
     EXPECTED UPDATE FREQUENCY: Irregular
                THEME KEYWORDS: AIR; POLLUTION
          GEOGRAPHIC AREA TYPE: State
       GEOGRAPHIC AREA NAME(S): Michigan
TECHNICAL INFORMATION - GENERAL: 
        SPATIAL REFERENCE TYPE: Entity Point
           DATA OBJECT TYPE(S): Node/Point (w/any associated text)
       DATA FILE/COVER NAME(S): AIRS.shp
           DATA FILE(S) FORMAT: ArcView ShapeFile
TECHNICAL INFORMATION - SPATIAL: 
            REGISTERED TO BASE: Not Applicable
             COORDINATE SYSTEM: Latitude/Longitude
     PLANAR DISTANCE/MAP UNITS: Decimal Degrees
           HORIZONTAL ACCURACY: Not Applicable
TECHNICAL INFORMATION - ATTRIBUTE/NON-SPATIAL: 
       ATTRIBUTE DATA OVERVIEW: Displays points of major contributors to air pollution in Michigan.
SOURCE and PROCESSING INFORMATION: 
            SOURCE(S) OVERVIEW: US EPA site information about stationary sources of air pollution (facilities) in the 
                                Aerometric Information Retrieval System (AIRS)/AIRS Facility Subsystem (AFS). Data 
                                available from US EPA query at http://www.epa.gov/enviro/html/qmr.html.
                                Description of included data fields (in accompanying table) available: 
                                http://www.epa.gov/enviro/html/cerclis/cerclis_table.html.
        PROCESSING STEPS/NOTES: Converted to ArcView shapefile using latitude/longitude coordinates provided by the EPA.
                                Sites whose latitude/longitude coordinates did not place them in the appropriate county 
                                were reevaluated and adjusted to approximate their identified city and county location.
                                Data is unprojected.
AVAILABILITY and STATUS INFORMATION: 
       AVAILABILITY NOTES/FEES: Available to the public at no cost.
    ARCHIVE/TRANSFER FILE NAME: AIRS.zip
    ARCHIVE/TRANSFER FILE TYPE: WINZIP
    ARCHIVE/TRANSFER FILE SIZE: 282 KB
CONTACT INFORMATION: 
           CONTACT INFORMATION: 
                      CONTACT TYPE: All Inquiries
                  PERSON and TITLE: Kathleen Weessies, Map Librarian
                      ORGANIZATION: Michigan State University Map Library
           MAILING STREET/P.O. BOX: 308 West Main Library
                              CITY: East Lansing
                             STATE: Michigan
                          ZIP CODE: 48824
                             PHONE: (517) 432- 6123 x249
                    E-MAIL ADDRESS: weessie2@msu.edu
              CONTACT INSTRUCTIONS: Email