Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
AAR SUMMA TECHNOLOGY
140 SPARKMAN DR, HUNTSVILLE, AL, 35805
Parent company: NA
Carcinogen
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases across all available years.
Full release table
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| Year | 1,1,1-Trichloroethane | Methyl ethyl ketone | Copper | Nickel | Manganese | Total |
|---|---|---|---|---|---|---|
| 2001 | — | — | 250 | — | — | 250 |
| 2000 | — | — | 5 | — | — | 5 |
| 1999 | — | 8,700 | 5 | — | — | 8,705 |
| 1998 | — | 8,100 | 5 | 5 | 5 | 8,115 |
| 1997 | — | — | — | 5 | — | 5 |
| 1992 | 6,550 | — | — | — | — | 6,550 |
| 1991 | 35,272 | — | — | — | — | 35,272 |
| 1990 | 39,750 | — | — | — | — | 39,750 |
| 1989 | 32,350 | — | — | — | — | 32,350 |