Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
NGK METALS CORP
917 US HWY 11 S, SWEETWATER, TN, 37874
Parent company: NGK N.A.
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 | Copper | Beryllium | Beryllium compounds | Nickel | Total |
|---|---|---|---|---|---|
| 2024 | 8 | 0 | — | — | 8 |
| 2023 | 23 | 1 | — | — | 24 |
| 2022 | 23 | 1 | — | — | 24 |
| 2021 | 23 | 1 | — | — | 24 |
| 2020 | 23 | 1 | — | — | 24 |
| 2019 | 23 | 1 | — | — | 24 |
| 2018 | 23 | 1 | — | — | 24 |
| 2017 | 23 | 23 | — | — | 46 |
| 2016 | 23 | 1 | — | — | 24 |
| 2015 | 23 | 1 | — | — | 24 |
| 2014 | 23 | 1 | — | — | 24 |
| 2013 | 23 | 1 | — | — | 24 |
| 2012 | 23 | 1 | — | — | 24 |
| 2011 | 23 | 1 | — | — | 24 |
| 2010 | 23 | 1 | — | — | 24 |
| 2009 | 23 | — | 1 | — | 24 |
| 2008 | 22 | — | 1 | — | 23 |
| 2007 | 21 | — | 1 | — | 22 |
| 2006 | 21 | — | 1 | — | 22 |
| 2005 | 21 | — | 1 | — | 22 |
| 2004 | 21 | — | 1 | — | 22 |
| 2003 | 20 | — | 1 | — | 21 |
| 2002 | 19 | — | 1 | — | 20 |
| 2001 | 20 | — | 1 | — | 21 |
| 2000 | 21 | — | 1 | — | 22 |
| 1999 | 20 | — | 1 | 1 | 22 |
| 1998 | 8 | — | 1 | 1 | 10 |