Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
COMPX NATIONAL (NATIONAL CABINET LOCK)
26 OLD MILL RD, GREENVILLE, SC, 29607
Parent company: COMPX INTERNATIONAL INC
Carcinogen
— 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 | Cyanide compounds | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Nickel And Nickel Compounds | Nickel compounds | Nitric acid | Total (lbs) |
| 2024 | 2,378 | — | 406 | — | — | 2,783 |
| 2023 | 3 | — | 7 | — | 0 | 11 |
| 2022 | 3 | — | 7 | — | 0 | 11 |
| 2021 | 3 | — | — | 7 | 0 | 11 |
| 2020 | 3 | — | — | 7 | 0 | 11 |
| 2019 | 5 | — | — | 7 | 0 | 13 |
| 2018 | 5 | — | 7 | — | 0 | 13 |
| 2017 | 5 | — | — | 7 | 0 | 13 |
| 2016 | 3 | — | — | 7 | 0 | 11 |
| 2015 | 3 | — | — | 7 | 0 | 11 |
| 2014 | 3 | — | — | 7 | 0 | 11 |
| 2013 | — | — | — | 2 | — | 2 |
| 2012 | — | — | — | 10 | — | 10 |
| 2011 | — | — | — | 10 | — | 10 |
| 2010 | 5 | — | — | 10 | — | 16 |
| 2009 | 5 | — | — | 10 | — | 16 |
| 2008 | 10 | — | — | 10 | — | 20 |
| 2007 | 10 | — | — | 10 | 10 | 30 |
| 2006 | 10 | — | — | 10 | 10 | 30 |
| 2005 | 10 | — | — | 10 | 10 | 30 |
| 2004 | 10 | — | — | 10 | 10 | 32 |
| 2003 | 10 | — | — | 10 | 10 | 40 |
| 2002 | 10 | — | — | 10 | 10 | 40 |
| 2001 | 10 | — | — | 10 | — | 30 |
| 1990 | 255 | 255 | — | — | — | 520 |
| 1989 | 250 | 250 | — | — | — | 500 |
| 1988 | — | 250 | — | — | — | 250 |
▎ 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.