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 | Methyl ethyl ketone | 2-Nitropropane | 1,1,1-Trichloroethane | Toluene | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | Total |
|---|---|---|---|---|---|---|
| 1999 | 11,000 | — | — | — | 250 | 11,750 |
| 1998 | 12,300 | — | — | — | 250 | 13,050 |
| 1997 | 10,000 | — | — | — | 250 | 10,750 |
| 1996 | 15,000 | 11,000 | — | — | — | 26,000 |
| 1995 | 28,000 | 12,000 | — | 10,000 | — | 50,000 |
| 1994 | 30,787 | 12,004 | — | 10,385 | — | 53,176 |
| 1993 | 21,420 | — | 13,824 | — | — | 35,244 |
| 1992 | 15,000 | — | 12,731 | — | — | 27,731 |