Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
2353 WEBSTER RD, ROANOKE, VA, 24012
Parent company: GENERAL SHALE BRICK INC
Reported on-site TRI releases in pounds, grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases across all available years.
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| Year | Hydrogen fluoride | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Manganese compounds | Lead | Total |
|---|---|---|---|---|---|
| 2024 | 800 | — | — | 12 | 812 |
| 2023 | 640 | — | — | 12 | 652 |
| 2022 | 780 | — | — | — | 780 |
| 2021 | 840 | — | — | — | 840 |
| 2020 | 780 | — | — | — | 780 |
| 2019 | 3,480 | — | — | — | 3,480 |
| 2018 | 7,020 | 17,060 | — | — | 24,080 |
| 2017 | 9,640 | 29,860 | — | — | 39,500 |
| 2016 | 12,820 | 36,920 | — | — | 49,740 |
| 2015 | 10,800 | 31,160 | — | — | 41,960 |
| 2014 | 10,780 | 31,480 | — | — | 42,260 |
| 2013 | 11,480 | 33,520 | — | — | 45,000 |
| 2012 | 9,700 | 28,320 | — | — | 38,020 |
| 2011 | 12,952 | 37,206 | — | — | 50,158 |
| 2010 | 11,700 | 33,680 | — | — | 45,380 |
| 2009 | 5,800 | — | — | — | 5,800 |
| 2008 | — | 31,560 | — | — | 31,560 |
| 2007 | 16,840 | — | — | — | 16,840 |
| 2006 | 20,620 | — | — | — | 20,620 |
| 2005 | 44,440 | 20,120 | — | — | 64,560 |
| 2004 | 46,240 | 30,780 | — | — | 77,020 |
| 2003 | 80,151 | 36,826 | — | — | 116,977 |
| 2002 | 79,725 | 36,630 | — | — | 116,355 |
| 2001 | 77,263 | — | — | — | 77,263 |
| 2000 | 89,259 | — | — | — | 89,259 |
| 1999 | 70,056 | — | — | — | 70,056 |
| 1998 | 62,660 | — | — | — | 62,660 |
| 1997 | 54,798 | — | — | — | 54,798 |
| 1996 | 52,490 | — | — | — | 52,490 |
| 1994 | — | — | 17 | — | 17 |
| 1993 | — | — | 20 | — | 20 |
| 1992 | — | — | 14 | — | 14 |
| 1991 | — | — | 9 | — | 9 |
| 1990 | — | — | 24 | — | 24 |
| 1989 | — | — | 40 | — | 40 |