Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
ST ENGINEERING HACKNEY INC
914 SAEGERS STATION RD, MONTGOMERY, PA, 17752
Parent company: ST ENGINEERING N.A. 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 | Chlorodifluoromethane (HCFC-22) | Diisocyanates | Total (lbs) | |||
| 2024 | — | 989 | 989 | |||
| 2023 | — | 920 | 920 | |||
| 2022 | — | 598 | 598 | |||
| 2021 | — | 514 | 514 | |||
| 2020 | — | 554 | 554 | |||
| 2019 | — | 1,098 | 1,098 | |||
| 2018 | — | 1,101 | 1,101 | |||
| 2017 | — | 1,056 | 1,056 | |||
| 2016 | — | 1,161 | 1,161 | |||
| 2015 | — | 1,059 | 1,059 | |||
| 2014 | — | 945 | 945 | |||
| 2013 | — | 1,060 | 1,060 | |||
| 2012 | — | 1,176 | 1,176 | |||
| 2011 | — | 852 | 852 | |||
| 2007 | 12,500 | — | 12,500 | |||
| 2006 | 8,300 | — | 8,300 | |||
| 2005 | 7,200 | — | 7,200 | |||
▎ 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.