Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
2875 HWY 55, EAGAN, MN, 55121
Parent company: ASTROTECH INTERNATIONAL CORP
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 | Nickel | Chromium | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Nickel compounds | Manganese | Total |
|---|---|---|---|---|---|---|
| 1997 | 3 | 2 | — | — | 27 | 32 |
| 1996 | 485 | 554 | — | — | 343 | 1,433 |
| 1995 | 714 | 831 | — | — | 282 | 1,922 |
| 1994 | 921 | 1,030 | — | — | 427 | 2,491 |
| 1993 | 988 | 1,566 | — | — | 324 | 2,878 |
| 1992 | 1,283 | 2,034 | — | — | 421 | 3,738 |
| 1991 | 14,409 | 10,292 | — | — | 4,115 | 28,816 |
| 1990 | 16,000 | 16,499 | — | — | 6,436 | 38,935 |
| 1989 | — | — | 13,529 | 13,120 | — | 31,927 |