Facility detail

WYOMING REFINING CO

10 STAMPEDE ST, NEWCASTLE, WY, 82701

Parent company: PAR PACIFIC HOLDINGS INC

Carcinogen PBT — EPA classifications across all reporting years

Year-over-year total releases

Reported on-site TRI releases in pounds, grouped by reporting year.

The 10 chemicals with the highest cumulative on-site releases across all available years.

Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.

Year	Propylene	Ethylene	Hydrogen fluoride	Toluene	n-Hexane	Total
2024	2,045	73	1,419	4,157	2,231	17,515
2023	2,119	73	1,419	4,167	2,213	16,769
2022	1,982	20	1,419	3,182	1,793	14,268
2021	2,036	28	1,419	3,515	2,060	14,825
2020	1,910	17	898	3,180	1,877	13,208
2019	1,837	16	1,410	4,945	2,350	17,345
2018	2,085	35	826	4,952	3,956	20,010
2017	1,859	18	855	5,048	4,045	18,947
2016	122	23	852	4,152	3,112	13,544
2015	92	15	276	1,104	2,667	7,917
2014	135	53	806	1,638	3,944	13,159
2013	124	58	806	1,643	3,375	13,852
2012	78	45	800	1,666	3,949	15,581
2011	13	4	847	2,683	1,709	12,233
2010	6,076	107	752	3,950	2,408	23,999
2009	3,880	201	823	3,052	2,108	13,212
2008	1,344	121	865	3,064	1,915	10,589
2007	2,168	145	861	2,996	2,104	10,737
2006	1,344	121	861	2,709	1,714	9,714
2005	1,514	124	767	2,568	1,653	10,222
2004	3,531	152	9,577	2,639	3,368	23,132
2003	1,394	124	816	2,531	2,178	10,260
2002	1,843	255	750	3,713	4,676	18,340
2001	1,821	255	750	3,908	5,116	18,482
2000	255	1,868	667	6,261	6,643	27,050
1999	1,000	1,719	2,094	4,050	4,907	24,764
1998	34,000	41,000	800	1,645	9,510	94,533
1997	34,000	41,000	800	1,645	9,510	94,533
1996	34,000	41,000	800	1,645	9,510	94,460
1995	29,000	32,000	500	4,805	7,605	87,235
1994	16,250	19,250	16,250	3,760	—	67,000
1993	9,250	11,150	16,250	6,370	—	66,920
1992	15,250	2,950	16,250	5,860	—	62,015
1991	11,250	5,650	16,250	6,560	—	78,815
1990	—	—	6,413	—	—	19,013
1989	—	—	6,920	—	—	30,420
1988	—	—	6,610	—	—	19,060