Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
HARTZELL FAN INC
910 S DOWNING, PIQUA, OH, 45356
Parent company: NA
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 | Styrene | Total (lbs) | ||||
| 2024 | 8,574 | 8,574 | ||||
| 2023 | 10,891 | 10,891 | ||||
| 2022 | 8,153 | 8,153 | ||||
| 2021 | 5,567 | 5,567 | ||||
| 2020 | 4,685 | 4,685 | ||||
| 2019 | 6,180 | 6,180 | ||||
| 2018 | 5,993 | 5,993 | ||||
| 2017 | 4,907 | 4,907 | ||||
| 2016 | 5,158 | 5,158 | ||||
| 2015 | 4,342 | 4,342 | ||||
| 2014 | 2,554 | 2,554 | ||||
| 2010 | 1,590 | 1,590 | ||||
| 2009 | 1,212 | 1,212 | ||||
| 2008 | 2,102 | 2,102 | ||||
| 2007 | 1,098 | 1,098 | ||||
| 2006 | 851 | 851 | ||||
| 2005 | 1,011 | 1,011 | ||||
| 2004 | 765 | 765 | ||||
▎ 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.