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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 PM2.5 non-attainment boundary located at the UGB & expansion
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 PM2.5 maintenance boundary at the UGB & expansion
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: April 14, 2010
