Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
201 ZETA DRIVE, PITTSBURGH, PA, 15238
Parent company: CHASE CORP
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) across all available years.
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 | Toluene | Xylene (mixed isomers) | Diisocyanates | Ethylbenzene | Total (lbs) | |
| 2024 | 331 | 149 | 43 | 11 | 534 | |
| 2023 | 353 | 156 | 82 | 19 | 610 | |
| 2022 | 420 | 128 | 105 | 26 | 679 | |
| 2021 | 338 | 139 | 95 | 21 | 593 | |
| 2020 | 322 | 140 | 12 | 22 | 496 | |
| 2019 | 305 | 151 | 11 | 26 | 494 | |
| 2018 | 318 | 165 | 12 | 68 | 563 | |
| 2017 | 356 | 174 | 12 | 60 | 602 | |
| 2016 | 510 | 36 | 35 | 61 | 642 | |
| 2015 | 255 | 7 | 5 | 25 | 292 | |
| 2014 | 10 | 4 | 5 | — | 19 | |
| 2013 | 10 | — | 5 | — | 15 | |
| 2012 | — | — | 2 | — | 2 | |
▎ 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.