Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
AJAX TOCCO WARREN OHIO PLANT
1745 OVERLAND AVE NE, WARREN, OH, 44483
Parent company: PARK OHIO HOLDINGS CORP
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 | Mixture | Copper | Chromium | Ethylene glycol | Lead | Total (lbs) |
| 2024 | 10 | 5 | — | — | — | 15 |
| 2023 | 10 | 5 | — | — | — | 15 |
| 2022 | 10 | 5 | — | — | — | 15 |
| 2021 | 10 | 5 | — | — | — | 15 |
| 2020 | 5 | — | — | — | — | 5 |
| 2019 | 10 | 5 | — | — | — | 15 |
| 2018 | 5 | 5 | — | — | — | 10 |
| 2017 | 5 | 5 | — | — | — | 10 |
| 2016 | 106,605 | 5 | — | — | — | 106,610 |
| 2015 | 500 | 10 | — | 10 | — | 520 |
| 2014 | 255 | 10 | — | 10 | — | 275 |
| 2013 | — | 10 | — | 10 | — | 20 |
| 2012 | — | 10 | — | 10 | — | 20 |
| 2011 | — | 10 | — | 10 | — | 20 |
| 2010 | — | 250 | 250 | 10 | — | 510 |
| 2009 | — | 250 | 250 | 10 | — | 510 |
| 2008 | — | 250 | 250 | — | 3 | 503 |
| 2007 | — | 265 | 15 | — | 9 | 289 |
| 2006 | — | 10 | 255 | — | 22 | 287 |
| 2005 | — | — | — | 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.