Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
GSI GROUP LLC
1004 E ILLINOIS ST, ASSUMPTION, IL, 62510
Parent company: GSI GROUP LLC
Carcinogen
PBT
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) 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.
| All values in pounds (lbs) | ||||||
|---|---|---|---|---|---|---|
| Year | Manganese | Nickel | Chromium | Copper | Lead | Total (lbs) |
| 2024 | 91 | 23 | 20 | 2 | 0 | 135 |
| 2023 | 93 | 32 | 29 | 2 | 0 | 156 |
| 2022 | 42 | 80 | 26 | 1 | — | 149 |
| 2021 | 999 | 68 | 220 | 184 | — | 1,471 |
| 2020 | 1,698 | 173 | 470 | — | 1 | 2,342 |
| 2019 | 240 | 29 | 25 | — | — | 294 |
| 2018 | 212 | 80 | 68 | — | 1 | 361 |
| 2017 | 5 | 5 | 5 | — | — | 15 |
| 2016 | 10 | 10 | 10 | — | — | 30 |
| 2015 | 10 | 10 | — | — | — | 20 |
| 2014 | — | 10 | — | — | — | 10 |
| 2013 | — | 10 | — | — | — | 10 |
| 2012 | — | 10 | — | — | — | 10 |
| 2011 | — | 500 | — | — | — | 500 |
| 2010 | — | 10 | — | — | — | 10 |
| 2009 | — | 10 | — | — | — | 10 |
▎ Facilities report to EPA's TRI once they manufacture, process, or use a listed chemical above set thresholds. Once that threshold is crossed, they must report actual releases regardless of size — so a small number reflects genuine low-level discharge, not a data error.