Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
4644 WADSWORTH RD, DAYTON, OH, 45414
Parent company: PARKER HANNIFIN 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 | Methyl isobutyl ketone | Nitric acid | Total (lbs) | |||
| 2021 | — | 3,834 | 3,834 | |||
| 2020 | — | 3,834 | 3,834 | |||
| 2019 | — | 3,834 | 3,834 | |||
| 2017 | 2,605 | — | 2,605 | |||
| 2016 | 1,452 | — | 1,452 | |||
| 2015 | 3,525 | — | 3,525 | |||
| 2014 | 3,945 | — | 3,945 | |||
| 2013 | 4,345 | — | 4,345 | |||
| 2011 | 4,075 | — | 4,075 | |||
| 2010 | 4,025 | — | 4,025 | |||
| 2009 | 4,085 | — | 4,085 | |||
| 2008 | 4,062 | — | 4,062 | |||
| 2007 | 3,875 | — | 3,875 | |||
| 2006 | 3,251 | — | 3,251 | |||
| 2005 | 4,018 | — | 4,018 | |||
| 2004 | 3,442 | — | 3,442 | |||
| 2003 | 2,413 | — | 2,413 | |||
| 2002 | 845 | — | 845 | |||
| 2001 | 754 | — | 754 | |||
| 2000 | 1,785 | — | 1,785 | |||
| 1999 | 3,668 | — | 3,668 | |||
| 1998 | 17,155 | — | 17,155 | |||
| 1997 | 13,140 | — | 13,140 | |||
| 1996 | 10,420 | — | 10,420 | |||
▎ 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.