Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
4501 CEDAR LN BLDG 288, PORTSMOUTH, VA, 23703
Parent company: NA
Reported on-site TRI releases in pounds, grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases across all available years.
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| Year | Ammonia | Naphthalene | Total |
|---|---|---|---|
| 2024 | — | 666 | 666 |
| 2023 | — | 692 | 692 |
| 2022 | — | 742 | 742 |
| 2021 | — | 902 | 902 |
| 2020 | — | 898 | 898 |
| 2019 | — | 889 | 889 |
| 2018 | — | 921 | 921 |
| 2017 | — | 819 | 819 |
| 2016 | — | 218 | 218 |
| 2015 | — | 207 | 207 |
| 2014 | — | 526 | 526 |
| 2013 | — | 690 | 690 |
| 2012 | — | 651 | 651 |
| 2011 | — | 567 | 567 |
| 2010 | — | 642 | 642 |
| 2009 | 1,051 | 614 | 1,665 |
| 2008 | 737 | 294 | 1,031 |
| 2007 | 928 | 148 | 1,076 |
| 2006 | 20,420 | 121 | 20,541 |
| 2005 | — | 141 | 141 |
| 2004 | — | 165 | 165 |
| 2003 | — | 141 | 141 |
| 2002 | — | 128 | 128 |