Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
HF SINCLAIR CASPER REFINING LLC
5700 E HWY 20/26, CASPER, WY, 82609
Parent company: HF SINCLAIR CORP
Carcinogen
PBT
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases across all available years.
Full release table
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| Year | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Xylene (mixed isomers) | Toluene | Propylene | n-Hexane | Total |
|---|---|---|---|---|---|---|
| 2024 | — | 3,197 | 832 | 1,214 | 2,195 | 18,064 |
| 2023 | — | 3,338 | 3,593 | 2,445 | 2,435 | 16,908 |
| 2022 | — | 3,351 | 3,447 | 2,682 | 2,639 | 17,250 |
| 2021 | — | 2,369 | 3,527 | 2,892 | 4,742 | 19,208 |
| 2020 | — | 4,136 | 4,417 | 4,923 | 4,619 | 24,457 |
| 2019 | — | 3,312 | 3,596 | 6,079 | 4,457 | 23,142 |
| 2018 | — | 3,429 | 5,074 | 4,153 | 4,373 | 23,958 |
| 2017 | — | 3,447 | 4,840 | 4,701 | 4,387 | 24,791 |
| 2016 | — | 2,867 | 6,942 | 3,235 | 4,342 | 28,388 |
| 2015 | — | 2,896 | 6,506 | 3,977 | 4,407 | 31,320 |
| 2014 | — | 4,881 | 10,006 | 3,492 | 5,461 | 45,047 |
| 2013 | — | 3,700 | 4,316 | 4,100 | 8,604 | 37,516 |
| 2012 | — | 3,500 | 4,200 | 4,139 | 4,908 | 30,464 |
| 2011 | — | 3,610 | 4,413 | 4,600 | 8,800 | 34,095 |
| 2010 | 33,000 | 3,700 | 4,100 | 4,700 | 4,250 | 75,292 |
| 2009 | 10,261 | 8,565 | 9,494 | 55,022 | 14,295 | 138,774 |
| 2008 | 33,077 | 11,126 | 11,357 | 83,451 | 14,495 | 206,121 |
| 2007 | 40,439 | 1,746 | 6,337 | 15,739 | 6,902 | 89,734 |
| 2006 | 33,098 | 1,746 | 2,559 | 13,938 | 3,361 | 71,900 |
| 2005 | 51,000 | 2,450 | 4,300 | 13,800 | 7,100 | 95,450 |
| 2004 | 81,000 | 4,250 | 8,300 | 4,200 | 17,500 | 141,445 |
| 2003 | 110,000 | 5,850 | 9,700 | 5,100 | 20,900 | 166,748 |
| 2002 | 130,000 | 3,650 | 8,600 | 3,700 | 19,900 | 190,719 |
| 2001 | 120,000 | 3,550 | 7,900 | 5,600 | 18,900 | 177,765 |
| 2000 | — | 10,910 | 7,761 | 11,918 | 7,610 | 52,317 |
| 1999 | — | 46,964 | 43,669 | 11,804 | 20,874 | 177,681 |
| 1998 | — | 46,173 | 42,956 | 4,282 | 21,821 | 170,038 |
| 1997 | — | 43,794 | 44,099 | 14,958 | 21,484 | 179,496 |
| 1996 | — | 44,692 | 43,114 | 15,773 | 22,118 | 182,534 |
| 1995 | — | 46,412 | 42,739 | 18,455 | 23,468 | 195,057 |
| 1994 | — | 28,846 | 28,886 | 17,096 | — | 157,603 |
| 1993 | — | 28,721 | 27,676 | 17,069 | — | 138,093 |
| 1992 | — | 35,028 | 30,020 | 26,800 | — | 134,810 |
| 1991 | — | 23,093 | 25,960 | 16,100 | — | 102,394 |
| 1990 | — | 22,950 | 24,640 | 14,600 | — | 100,150 |
| 1989 | — | 31,174 | 31,885 | 17,014 | — | 137,744 |
| 1988 | — | 18,350 | — | 31,230 | — | 108,967 |
| 1987 | — | 23,250 | — | 32,000 | — | 80,100 |