EPA Air · stack tests by county and year
Air-emissions stack tests in Natrona County, Wyoming, 2018
- 10Stack 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 Natrona County, Wyoming during 2018. 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 Natrona County facility page.
Natrona County, Wyoming, 2018
Air-emissions stack tests in Natrona County, other years
Air-emissions stack tests recorded in Natrona County, Wyoming, 2018
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2018-12-21 | BUCKNUM BENTONITE PLANT (TOLSA WYOMING BENTONITE CORP.) | Pending | State |
| 2018-12-21 | BUCKNUM BENTONITE PLANT (TOLSA WYOMING BENTONITE CORP.) | Pass | State |
| 2018-12-12 | CASPER REFINERY (HF SINCLAIR CASPER REFINING LLC) — high-priority violation on file | Pass | State |
| 2018-11-29 | CASPER GAS PLANT (TALLGRASS MIDSTREAM, LLC) | Pass | State |
| 2018-06-28 | BUCKNUM BENTONITE PLANT (TOLSA WYOMING BENTONITE CORP.) | Pass | State |
| 2018-05-10 | CASPER REFINERY (HF SINCLAIR CASPER REFINING LLC) — high-priority violation on file | Pass | State |
| 2018-03-23 | CASPER REFINERY (HF SINCLAIR CASPER REFINING LLC) — high-priority violation on file | Pass | State |
| 2018-03-23 | CASPER REFINERY (HF SINCLAIR CASPER REFINING LLC) — high-priority violation on file | Pass | State |
| 2018-03-14 | BUCKNUM BENTONITE PLANT (TOLSA WYOMING BENTONITE CORP.) | Pass | State |
| 2018-02-21 | CASPER REFINERY (HF SINCLAIR CASPER REFINING LLC) — 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.