EPA Air · stack tests by county and year
Air-emissions stack tests in O'Brien County, Iowa, 2017
- 3Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row below is one stack test recorded against a source in O'Brien County, Iowa during 2017. A facility can appear several times: this is the year’s record of what happened, not a list of places. The sources themselves are on the O'Brien County facility page.
Air-emissions stack tests in O'Brien County, other years
Air-emissions stack tests recorded in O'Brien County, Iowa, 2017
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2017-11-29 | VALERO RENEWABLE FUELS CO LLC-HARTLEY — high-priority violation on file | Pass | State |
| 2017-10-03 | VALERO RENEWABLE FUELS CO LLC-HARTLEY — high-priority violation on file | Pass | State |
| 2017-06-01 | VALERO RENEWABLE FUELS CO LLC-HARTLEY — high-priority violation on file | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.