Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
SUPERIOR METAL TECHNOLOGIES LLC
9850 E 30TH ST, INDIANAPOLIS, IN, 46229
Parent company: NA
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 | Xylene (mixed isomers) | Toluene | Methyl ethyl ketone | Certain glycol ethers | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total |
|---|---|---|---|---|---|---|
| 2024 | 246 | — | — | 335 | — | 581 |
| 2023 | 354 | — | — | 258 | — | 612 |
| 2022 | 370 | — | — | 272 | — | 641 |
| 2021 | 408 | — | — | 296 | — | 704 |
| 2020 | 498 | — | — | 362 | — | 861 |
| 2019 | 715 | — | — | 520 | — | 1,235 |
| 2018 | 747 | — | — | 546 | — | 1,293 |
| 2017 | 796 | — | — | — | — | 796 |
| 2016 | 802 | — | — | — | — | 802 |
| 2015 | 1,272 | — | — | — | — | 1,272 |
| 2014 | 4,061 | — | — | — | — | 4,061 |
| 2013 | 8,988 | — | — | — | — | 8,988 |
| 2012 | 3,672 | — | — | — | — | 3,672 |
| 2011 | 2,601 | — | — | — | — | 2,601 |
| 1997 | 11,000 | 9,800 | 16,000 | — | — | 36,800 |
| 1992 | 13,869 | 17,160 | 9,790 | — | — | 40,819 |
| 1989 | — | — | — | — | 250 | 250 |