Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
TMS INTERNATIONAL LLC
7285 W 21200 N, PLYMOUTH, UT, 84330
Parent company: TMS INTERNATIONAL CORP
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 | Manganese compounds | Manganese And Manganese Compounds | Manganese | Lead compounds | Lead And Lead Compounds | Total (lbs) |
| 2024 | — | 1,112 | — | — | 0 | 1,112 |
| 2023 | — | 292 | — | — | 0 | 292 |
| 2022 | 281 | — | — | 0 | — | 281 |
| 2021 | 159 | — | — | 0 | — | 159 |
| 2020 | 135 | — | — | 0 | — | 135 |
| 2019 | 291 | — | — | 0 | — | 291 |
| 2018 | 285 | — | — | 0 | — | 285 |
| 2017 | 647 | — | — | 0 | — | 647 |
| 2016 | 435 | — | — | 0 | — | 435 |
| 2015 | 400 | — | — | 0 | — | 400 |
| 2014 | 618 | — | — | 0 | — | 618 |
| 2013 | 524 | — | — | 0 | — | 524 |
| 2012 | 742 | — | — | 0 | — | 742 |
| 2011 | 603 | — | — | 0 | — | 603 |
| 2010 | 556 | — | — | 0 | — | 556 |
| 2009 | 480 | — | — | 0 | — | 480 |
| 2008 | 694 | — | — | 0 | — | 694 |
| 2007 | 744 | — | — | 0 | — | 744 |
| 2006 | 787 | — | — | 0 | — | 787 |
| 2005 | 592 | — | — | 0 | — | 592 |
| 2004 | 566 | — | — | 0 | — | 566 |
| 2003 | 558 | — | — | 0 | — | 558 |
| 2002 | 511 | — | — | 0 | — | 511 |
| 2001 | 585 | — | — | 0 | — | 585 |
| 2000 | 750 | — | — | — | — | 750 |
| 1999 | 250 | — | — | — | — | 250 |
| 1998 | — | — | 355 | — | — | 355 |
| 1997 | — | — | 398 | — | — | 398 |
▎ 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.