Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
JOHNSON MATTHEY US 2 LLC C/O JOHNSON MATTHEY CATALYSTS
1246 AIRPORT RD, SEVIERVILLE, TN, 37862
Parent company: JOHNSON MATTHEY US2 LLC
Carcinogen
— 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 | Nickel | Aluminum (fume or dust) | Nickel compounds | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Chromium | Total |
|---|---|---|---|---|---|---|
| 2024 | 148 | 148 | — | — | — | 296 |
| 2023 | — | 1 | — | — | — | 1 |
| 2022 | 367 | 366 | — | — | — | 732 |
| 2021 | 598 | 595 | — | — | — | 1,193 |
| 2020 | 448 | 446 | — | — | — | 894 |
| 2019 | 514 | 470 | — | — | — | 984 |
| 2018 | 545 | 518 | — | — | — | 1,063 |
| 2017 | 556 | 529 | — | — | — | 1,085 |
| 2016 | 590 | 566 | — | — | — | 1,156 |
| 2015 | 295 | 290 | — | — | — | 585 |
| 2014 | 324 | 319 | — | — | — | 643 |
| 2013 | 555 | 305 | — | — | — | 860 |
| 2012 | 500 | 250 | — | — | — | 750 |
| 2011 | 500 | 250 | — | — | — | 750 |
| 2010 | 1,250 | 1,000 | — | — | — | 2,250 |
| 2009 | 1,150 | 1,000 | — | — | — | 2,150 |
| 2008 | 1,069 | 1,000 | — | — | — | 2,069 |
| 2007 | 1,009 | 1,266 | — | — | — | 2,275 |
| 2006 | 34 | — | — | — | — | 34 |
| 2005 | 15 | — | — | — | — | 15 |
| 2004 | 5 | — | — | — | — | 5 |
| 2003 | 260 | 260 | — | — | — | 520 |
| 2002 | 260 | 260 | — | — | — | 520 |
| 2001 | 260 | 260 | — | — | — | 520 |
| 2000 | 260 | 260 | — | — | — | 520 |
| 1999 | 260 | 260 | — | — | — | 520 |
| 1998 | 260 | 260 | — | — | — | 520 |
| 1997 | 260 | 260 | 260 | — | — | 780 |
| 1996 | 260 | 260 | 260 | — | — | 780 |
| 1995 | 260 | 260 | 260 | — | — | 780 |
| 1994 | 260 | 255 | 260 | 11 | — | 786 |
| 1993 | 260 | 255 | 260 | 11 | — | 786 |
| 1992 | 260 | 255 | 260 | — | — | 775 |
| 1991 | 5 | 5 | 250 | — | 5 | 265 |
| 1990 | — | — | 1,000 | — | — | 1,000 |
| 1989 | — | — | 1,000 | — | — | 1,000 |