EPA Air · stack tests by county, year by year
Air-emissions stack tests in Apache County, Arizona, year by year
- 41Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Every year on record for Apache County, Arizona, most recent first. Each year page lists the events recorded at sources in the county that year.
Apache County, Arizona, by year
All sources in Apache County →
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.
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