EPA Air · stack tests by state, industry and year

Petroleum and coal products manufacturing (NAICS 3241): stack tests in Wyoming, 2023

26Stack tests

A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row is one stack test recorded during 2023 at a Wyoming source whose primary industry code is NAICS 3241. A facility filing more than one industry code is counted under the first one on its record.

Petroleum and coal products manufacturing (NAICS 3241) in Wyoming, other years

Other industries in Wyoming, 2023

Air-emissions stack tests recorded in Wyoming, 2023

Date	Facility	Where	Kind	Agency
2023-12-04	CASPER REFINERY (HF SINCLAIR CASPER REFINING LLC) — high-priority violation on file	EVANSVILLE, Natrona, WY	Pass	State
2023-11-07	HF SINCLAIR PARCO REFINING LLC — high-priority violation on file	SINCLAIR, Carbon, WY	Pass	State
2023-11-06	HF SINCLAIR PARCO REFINING LLC — high-priority violation on file	SINCLAIR, Carbon, WY	Pass	State
2023-11-06	HF SINCLAIR PARCO REFINING LLC — high-priority violation on file	SINCLAIR, Carbon, WY	Pass	State
2023-11-02	CASPER REFINERY (HF SINCLAIR CASPER REFINING LLC) — high-priority violation on file	EVANSVILLE, Natrona, WY	Pass	State
2023-10-31	CASPER REFINERY (HF SINCLAIR CASPER REFINING LLC) — high-priority violation on file	EVANSVILLE, Natrona, WY	Pass	State
2023-10-27	HF SINCLAIR PARCO REFINING LLC — high-priority violation on file	SINCLAIR, Carbon, WY	Pass	State
2023-10-25	HF SINCLAIR PARCO REFINING LLC — high-priority violation on file	SINCLAIR, Carbon, WY	Pass	State
2023-10-23	HF SINCLAIR PARCO REFINING LLC — high-priority violation on file	SINCLAIR, Carbon, WY	Pass	State
2023-10-23	HF SINCLAIR PARCO REFINING LLC — high-priority violation on file	SINCLAIR, Carbon, WY	Pass	State
2023-09-11	CASPER REFINERY (HF SINCLAIR CASPER REFINING LLC) — high-priority violation on file	EVANSVILLE, Natrona, WY	Pass	State
2023-09-11	CASPER REFINERY (HF SINCLAIR CASPER REFINING LLC) — high-priority violation on file	EVANSVILLE, Natrona, WY	Pass	State
2023-09-11	CASPER REFINERY (HF SINCLAIR CASPER REFINING LLC) — high-priority violation on file	EVANSVILLE, Natrona, WY	Pass	State
2023-09-05	HF SINCLAIR PARCO REFINING LLC — high-priority violation on file	SINCLAIR, Carbon, WY	Pass	State
2023-09-05	HF SINCLAIR PARCO REFINING LLC — high-priority violation on file	SINCLAIR, Carbon, WY	Pass	State
2023-07-31	HF SINCLAIR PARCO REFINING LLC — high-priority violation on file	SINCLAIR, Carbon, WY	Pass	State
2023-07-07	ROCK SPRINGS COAL CALCINING PLANT (P4 PRODUCTION)	SWEETWATER COUNTY, Sweetwater, WY	Pass	State
2023-07-07	ROCK SPRINGS COAL CALCINING PLANT (P4 PRODUCTION)	SWEETWATER COUNTY, Sweetwater, WY	Pass	State
2023-06-02	HF SINCLAIR PARCO REFINING LLC — high-priority violation on file	SINCLAIR, Carbon, WY	Pass	State
2023-05-26	HF SINCLAIR PARCO REFINING LLC — high-priority violation on file	SINCLAIR, Carbon, WY	Pass	State
2023-04-27	CHEYENNE RENEWABLE DIESEL COMPANY (CHEYENNE RENEWABLE DIESEL COMPANY LLC)	CHEYENNE, Laramie, WY	Pass	State
2023-03-16	HF SINCLAIR PARCO REFINING LLC — high-priority violation on file	SINCLAIR, Carbon, WY	Pass	State
2023-03-14	HF SINCLAIR PARCO REFINING LLC — high-priority violation on file	SINCLAIR, Carbon, WY	Pass	State
2023-03-13	HF SINCLAIR PARCO REFINING LLC — high-priority violation on file	SINCLAIR, Carbon, WY	Pass	State
2023-01-26	NEWCASTLE REFINERY (WYOMING REFINING CO)	NEWCASTLE, Weston, WY	Pass	State
2023-01-11	NEWCASTLE REFINERY (WYOMING REFINING CO)	NEWCASTLE, Weston, WY	Pass	State

Primary NAICS code as filed on the facility record; dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.