Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
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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 | Lead compounds | Barium | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | Zinc compounds | Lead | Total |
|---|---|---|---|---|---|---|
| 2019 | — | — | — | — | 2 | 2 |
| 2018 | — | — | — | — | 1 | 1 |
| 2017 | — | — | — | — | 1 | 1 |
| 2016 | — | — | — | — | 1 | 1 |
| 2015 | — | — | — | — | 1 | 1 |
| 2014 | — | — | — | — | 1 | 1 |
| 2013 | — | — | — | — | 1 | 1 |
| 2012 | — | — | — | — | 1 | 1 |
| 2011 | — | — | — | — | 1 | 1 |
| 2010 | — | — | — | — | 4 | 4 |
| 2009 | — | — | — | — | 14 | 14 |
| 2008 | — | — | — | — | 1 | 1 |
| 2007 | — | — | — | — | 9 | 9 |
| 2006 | — | — | — | — | 11 | 11 |
| 2005 | — | — | — | — | 37 | 37 |
| 2004 | — | — | — | — | 32 | 32 |
| 2003 | — | — | — | — | 34 | 34 |
| 2002 | — | — | — | — | 36 | 36 |
| 2001 | — | — | — | — | 40 | 40 |
| 1995 | — | 500 | — | — | 500 | 1,500 |
| 1994 | 500 | — | 500 | 500 | — | 1,500 |
| 1993 | 500 | — | 500 | 500 | — | 1,500 |
| 1992 | 321 | — | 17 | 79 | — | 417 |
| 1991 | 350 | 1,500 | 30 | 79 | — | 1,982 |
| 1990 | 250 | — | 250 | 250 | — | 750 |
| 1989 | 250 | — | 250 | 250 | — | 750 |
| 1988 | — | — | 250 | — | — | 250 |
| 1987 | — | — | — | — | — | 250 |