Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SMITHERS-OASIS NA
919 MARVIN ST, KENT, OH, 44240
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 | n-Hexane | Formaldehyde | Acetone | 1-Chloro-1,1-difluoroethane (HCFC-142b) | Chlorodifluoromethane (HCFC-22) | Total (lbs) |
| 2024 | — | 6,284 | — | — | — | 6,284 |
| 2023 | — | 6,978 | — | — | — | 6,978 |
| 2022 | — | 7,257 | — | — | — | 7,257 |
| 2021 | — | 7,272 | — | — | — | 7,272 |
| 2020 | — | 6,768 | — | — | — | 6,768 |
| 2019 | — | 8,153 | — | — | — | 8,153 |
| 2018 | — | 8,260 | — | — | — | 8,260 |
| 2017 | — | 8,249 | — | — | — | 8,249 |
| 2016 | — | 1,415 | — | — | — | 1,415 |
| 2015 | — | 1,038 | — | — | — | 1,038 |
| 2014 | — | 1,265 | — | — | — | 1,265 |
| 2013 | — | 1,058 | — | — | — | 1,058 |
| 2012 | — | 963 | — | — | — | 963 |
| 2011 | — | 1,067 | — | — | — | 1,067 |
| 2010 | — | 1,887 | — | — | — | 1,887 |
| 2009 | — | 895 | — | — | — | 895 |
| 2008 | — | 214 | — | 774 | 774 | 1,762 |
| 2007 | — | 540 | — | 13,426 | 8,765 | 22,731 |
| 2006 | — | 380 | — | 10,046 | 6,480 | 16,906 |
| 2005 | — | 541 | — | — | — | 541 |
| 2004 | — | 728 | — | — | — | 728 |
| 2003 | — | 603 | — | — | — | 603 |
| 2002 | 2,970 | 734 | — | — | — | 3,704 |
| 2001 | 2,166 | 6,934 | — | — | — | 9,100 |
| 2000 | 2,667 | 7,778 | — | — | — | 10,445 |
| 1999 | 13,400 | 770 | — | — | — | 14,170 |
| 1998 | 76,000 | 6,800 | — | — | — | 82,800 |
| 1997 | 196,000 | 10,700 | — | — | — | 206,700 |
| 1996 | 198,000 | 9,800 | — | — | — | 207,800 |
| 1995 | 185,000 | 9,000 | — | — | — | 194,000 |
| 1994 | — | 11,600 | — | — | — | 12,355 |
| 1993 | — | 13,000 | 500 | — | — | 13,510 |
| 1992 | — | 10,400 | 17,000 | — | — | 27,665 |
| 1991 | — | 10,600 | 7,100 | — | — | 17,955 |
| 1990 | — | 14,728 | 1,500 | — | — | 16,493 |
| 1989 | — | 9,843 | 1,661 | — | — | 11,754 |
| 1988 | — | 12,806 | — | — | — | 17,470 |
▎ 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.