Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
AMERICAN PACIFIC CORP UTAH OPERATIONS
10622 W 6400 N, CEDAR CITY, UT, 84721
Parent company: AMERICAN PACIFIC CORP
Carcinogen
PBT
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) 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.
| All values in pounds (lbs) | ||||||
|---|---|---|---|---|---|---|
| Year | Ammonia | 2,2-Dichloro-1,1,1-trifluoroethane (HCFC-123) | Nitric acid | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Ethylene glycol | Total (lbs) |
| 2024 | 10 | 129 | 455 | — | — | 594 |
| 2023 | 10 | 250 | 368 | — | — | 628 |
| 2022 | 5 | 190 | 263 | — | — | 458 |
| 2021 | 5 | 438 | 435 | — | — | 878 |
| 2020 | 755 | 1,926 | 271 | — | — | 2,952 |
| 2019 | 755 | 1,650 | 473 | — | — | 2,878 |
| 2018 | 3,668 | 8,087 | 639 | — | — | 12,394 |
| 2017 | 4,717 | 8,041 | 620 | — | — | 13,378 |
| 2016 | 4,717 | 10,074 | 562 | — | — | 15,353 |
| 2015 | 4,405 | 7,820 | 600 | — | — | 12,825 |
| 2014 | 16,805 | 10,123 | 615 | — | — | 27,543 |
| 2013 | 28,605 | 9,000 | 765 | — | — | 38,370 |
| 2012 | 25,405 | 2,950 | 705 | — | — | 29,060 |
| 2011 | 29,220 | 5,850 | 705 | — | — | 35,775 |
| 2010 | 16,479 | 500 | 766 | — | — | 17,745 |
| 2009 | 39,701 | 500 | 1,002 | — | — | 41,203 |
| 2008 | 7,295 | 381 | 754 | — | — | 8,430 |
| 2007 | 2,759 | 415 | 2,810 | — | — | 5,984 |
| 2006 | 17,101 | 280 | 3,833 | — | — | 21,214 |
| 2005 | 4,646 | 352 | — | — | — | 4,998 |
| 2004 | 9,941 | — | — | — | — | 9,941 |
| 2003 | 5,732 | — | — | — | — | 5,732 |
| 2002 | 62,742 | — | — | — | — | 62,751 |
| 2001 | 48,199 | — | — | — | — | 48,208 |
| 1997 | 114,043 | 4,882 | 390 | — | 17 | 119,686 |
| 1996 | 263,682 | 4,165 | 327 | — | 15 | 268,561 |
| 1995 | 195,597 | 6,460 | 255 | — | 10 | 202,852 |
| 1994 | 195,767 | 2,631 | 255 | 4,187 | 10 | 203,370 |
| 1993 | 9,258 | — | 255 | 4,354 | 10 | 14,397 |
| 1992 | 1,713 | — | 255 | 3,765 | 255 | 6,253 |
| 1991 | — | — | — | — | — | 755 |
| 1990 | 1,912 | — | 8,045 | 4,039 | 4,142 | 18,891 |
| 1989 | 1,890 | — | 1,000 | 4,838 | 14,495 | 22,223 |
▎ Facilities report to EPA's TRI once they manufacture, process, or use a listed chemical above set thresholds. Once that threshold is crossed, they must report actual releases regardless of size — so a small number reflects genuine low-level discharge, not a data error.