EPA Air · stack tests by county and year
Air-emissions stack tests in Natrona County, Wyoming, 2019
- 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 2019. 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, 2019
Air-emissions stack tests in Natrona County, other years
Air-emissions stack tests recorded in Natrona County, Wyoming, 2019
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2019-12-26 | CASPER REFINERY (HF SINCLAIR CASPER REFINING LLC) — high-priority violation on file | Pass | State |
| 2019-12-04 | CASPER REFINERY (HF SINCLAIR CASPER REFINING LLC) — high-priority violation on file | Pass | State |
| 2019-10-01 | CASPER COMPRESSOR STATION (TALLGRASS INTERSTATE GAS TRANSMISSION) | Pass | State |
| 2019-09-17 | CASPER REFINERY (HF SINCLAIR CASPER REFINING LLC) — high-priority violation on file | Pass | State |
| 2019-08-08 | BUCKNUM BENTONITE PLANT (TOLSA WYOMING BENTONITE CORP.) | Pass | State |
| 2019-08-08 | BUCKNUM BENTONITE PLANT (TOLSA WYOMING BENTONITE CORP.) | Fail | State |
| 2019-04-04 | CASPER COMPRESSOR STATION (TALLGRASS INTERSTATE GAS TRANSMISSION) | Fail | State |
| 2019-04-02 | CASPER COMPRESSOR STATION (TALLGRASS INTERSTATE GAS TRANSMISSION) | Pass | State |
| 2019-02-21 | CASPER REFINERY (HF SINCLAIR CASPER REFINING LLC) — high-priority violation on file | Pass | State |
| 2019-01-16 | 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.
What this page shows
This page covers Clean Air Act facility stack tests in Natrona county, WY, for 2019. It lists 10 stack tests recorded in 2019.