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Highway - Geo-Environmental Section
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Non-Attainment/Maintenance Area Boundary Maps
Regional Maps

Region 1
Portland CO maintenance boundary located at Urban Growth Boundary (UGB). Enter address, then go to maps, select UGB map
 
Region 2   
Eugene-Springfield CO maintenance boundary located at UGB for CO hot spots 
Eugene-Springfield CO maintenance boundary located at the Central Area Transportation Study (CATS) for regional conformity 
Eugene-Springfield PM10 non-attainment boundary located at the UGB 
Salem-Keizer CO non-attainment boundary at Salem_Keizer Area Transportation Study (SKATS) 
Oakridge PM10 non-attainment boundary located at the UGB 
 
Region 3
Grants Pass CO maintenance boundary at the Central Business District (CBD)
Grants Pass PM10 maintenance boundary at the UGB  
Medford CO maintenance boundary at the UGB
Medford-Ashland PM10 maintenance boundary at the AQMA 
 
Region 4 
Klamath Falls CO maintenance boundary at the UGB 
Klamath Falls PM10 maintenance boundary at the UGB 
Lakeview PM10 maintenance boundary at the UGB 
 
Region 5 
La Grande PM10 Maintenance boundary at the UGB 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   
 
 
 
 
 
 
 
 
 
 
                              

 
 
 
 
 
Page updated: August 13, 2009

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