Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
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7011 MUIRKIRK RD, BELTSVILLE, MD, 20705
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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 | Manganese compounds | Zinc compounds | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | Phosphoric acid | 1,2,4-Trimethylbenzene | Total |
|---|---|---|---|---|---|---|
| 2017 | — | — | — | — | — | 0 |
| 2016 | — | — | — | — | — | 0 |
| 2014 | 140 | 33 | — | — | — | 174 |
| 2013 | 63 | 78 | — | — | — | 143 |
| 2012 | 55 | 67 | — | — | — | 123 |
| 2011 | 76 | 70 | — | — | — | 149 |
| 2010 | 89 | 76 | — | — | — | 169 |
| 2009 | 59 | 56 | — | — | — | 118 |
| 2008 | 90 | 81 | — | — | — | 177 |
| 2007 | 120 | 104 | — | — | — | 240 |
| 2006 | 147 | 111 | — | — | — | 276 |
| 2005 | 72 | 125 | — | — | — | 214 |
| 2004 | 70 | 131 | — | — | — | 215 |
| 2003 | 505 | 260 | 260 | — | — | 1,044 |
| 2002 | 505 | 505 | 260 | — | — | 1,290 |
| 2001 | 505 | 505 | 260 | — | — | 1,290 |
| 2000 | 750 | 505 | 260 | — | — | 1,530 |
| 1999 | 750 | 505 | 260 | — | — | 1,530 |
| 1998 | 750 | 505 | 260 | 500 | — | 2,030 |
| 1997 | 750 | 505 | 260 | 500 | — | 2,030 |
| 1996 | 750 | 750 | 260 | 500 | — | 2,275 |
| 1995 | 750 | 260 | 260 | 500 | — | 1,785 |
| 1994 | 1,000 | 755 | 260 | 500 | — | 2,530 |
| 1993 | 750 | 750 | 260 | 500 | — | 2,275 |
| 1992 | 750 | 500 | 10 | 500 | 500 | 3,775 |
| 1991 | 750 | 500 | 260 | 500 | 500 | 4,025 |
| 1990 | 750 | 250 | 22 | 500 | 300 | 2,345 |
| 1989 | 750 | 498 | 268 | 500 | 300 | 3,591 |
| 1988 | — | 2,689 | 2,908 | 500 | — | 6,367 |