Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
GELEST INC
11 E STEEL RD, MORRISVILLE, PA, 19067
Parent company: MITSUBISHI CHEMICAL AMERICA INC
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 | Methanol | n-Hexane | Toluene | Certain glycol ethers | Maleic anhydride | Total (lbs) |
| 2024 | 633 | 904 | 1,150 | 759 | — | 3,446 |
| 2023 | 500 | 999 | 1,000 | 763 | — | 3,262 |
| 2022 | 388 | 557 | 864 | 893 | — | 2,702 |
| 2021 | 1,005 | — | 505 | 1,005 | — | 2,515 |
| 2020 | 505 | 1,005 | — | 1,005 | 10 | 2,525 |
| 2019 | 500 | 1,000 | — | 500 | 10 | 2,010 |
| 2018 | 500 | 1,000 | — | — | 10 | 1,510 |
| 2017 | 1,500 | 1,000 | — | — | 10 | 2,510 |
| 2016 | 1,000 | 1,000 | — | — | 250 | 2,250 |
| 2015 | 1,670 | 1,000 | — | — | — | 2,670 |
| 2014 | 1,838 | 1,500 | — | — | — | 3,338 |
| 2013 | 1,500 | 1,000 | — | — | — | 2,500 |
| 2012 | 1,850 | — | 1,500 | — | — | 3,350 |
| 2011 | 1,000 | 1,000 | — | — | — | 2,000 |
| 2010 | 1,000 | — | — | — | — | 1,000 |
▎ 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.