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 | Methanol | Ammonia | Certain glycol ethers | Potassium dimethyldithiocarbamate | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total |
|---|---|---|---|---|---|---|
| 2010 | 84,594 | — | — | — | — | 84,633 |
| 2009 | 110,755 | — | — | — | — | 110,803 |
| 2008 | 131,792 | — | — | — | — | 131,847 |
| 2007 | 130,985 | — | — | — | — | 131,039 |
| 2006 | 133,575 | — | — | — | — | 133,638 |
| 2005 | 134,718 | — | — | — | — | 134,758 |
| 2004 | 137,399 | — | 1,683 | 3,518 | — | 142,644 |
| 2003 | 137,190 | — | 1,030 | — | — | 138,273 |
| 2002 | 139,210 | — | — | — | — | 139,274 |
| 2001 | 141,868 | — | — | — | — | 141,997 |
| 2000 | 138,961 | — | — | — | — | 138,961 |
| 1999 | 162,761 | — | — | — | — | 162,761 |
| 1998 | 143,447 | — | 1,407 | — | — | 144,854 |
| 1997 | 144,060 | — | 4,680 | — | — | 148,740 |
| 1996 | 129,688 | — | 4,691 | — | — | 134,379 |
| 1995 | 144,556 | — | 2,391 | — | — | 146,947 |
| 1994 | 90,359 | 1,105 | 250 | — | 250 | 91,964 |
| 1993 | 500 | 1,757 | 250 | — | 250 | 2,757 |
| 1992 | 5,162 | 3,584 | 250 | — | 250 | 9,246 |
| 1991 | 5,370 | 18,324 | — | — | 250 | 23,944 |
| 1990 | 600 | 19,516 | — | — | 250 | 20,616 |
| 1989 | 590 | 21,879 | — | — | 250 | 23,469 |
| 1988 | — | 20,170 | — | — | — | 20,420 |
| 1987 | 530 | 19,450 | — | — | 414 | 20,894 |