Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
ST ENGINEERING HACKNEY INC
13442 EMERSON RD, KIDRON, OH, 44636
Parent company: ST ENGINEERING N.A. INC.
Carcinogen
— 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 | Chlorodifluoromethane (HCFC-22) | Xylene (mixed isomers) | Toluene | Diisocyanates | Chromium | Total (lbs) |
| 2024 | — | — | — | 516 | — | 516 |
| 2019 | — | — | — | 497 | — | 497 |
| 2018 | — | — | — | 429 | — | 429 |
| 2017 | — | — | — | 349 | — | 349 |
| 2016 | — | — | — | 365 | — | 365 |
| 2015 | — | — | — | 243 | — | 243 |
| 2014 | — | — | — | 265 | — | 265 |
| 2013 | — | — | — | 455 | — | 455 |
| 2012 | — | — | — | 616 | — | 616 |
| 2007 | 22,200 | — | — | — | — | 22,200 |
| 2006 | 26,100 | — | — | — | — | 26,100 |
| 2005 | 24,000 | — | — | — | — | 24,000 |
| 2004 | 22,600 | — | — | — | — | 22,600 |
| 2003 | 22,800 | — | — | — | — | 22,800 |
| 2002 | 22,900 | — | — | — | — | 22,900 |
| 2001 | 14,300 | — | — | — | — | 14,300 |
| 2000 | 20,000 | — | — | — | — | 20,000 |
| 1995 | 98 | — | — | — | — | 98 |
| 1994 | 392 | — | — | — | — | 392 |
| 1992 | — | — | — | — | — | 1 |
| 1991 | — | 12,146 | — | — | — | 12,146 |
| 1990 | — | 10,651 | 11,508 | — | 6 | 22,165 |
| 1989 | — | 25,588 | 36,568 | — | 12 | 62,169 |
| 1988 | — | 16,661 | — | — | — | 16,661 |
| 1987 | — | — | — | — | 250 | 250 |
▎ 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.