Rehabilitation of Highway 62 West, Crater Lake National Park, Klamath County, Oregon
ENVIRONMENTAL CONSEQUENCES
METHODS FOR ASSESSING IMPACTS
Air Quality
- Negligible – an action that could change air quality, but the change would be so small that it would not be of any measurable or perceptible consequence.
- Minor – an action that could change air quality, but the change would be slight and localized with few measurable consequences.
- Moderate – an action that would result in readily apparent changes in air quality with measurable consequences.
- Major – a substantial adverse or beneficial change in air quality would result.
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