Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
DIVERSIFIED SCIENTIFIC SERVICE S INC. (DSSI)
657 GALLAHER RD, KINGSTON, TN, 37763
Parent company: PERMA-FIX ENVIRONMENTAL SERVICES INC
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 | 1,2,4-Trimethylbenzene | n-Hexane | Acetonitrile | Certain glycol ethers | Xylene (mixed isomers) | Total (lbs) |
| 2024 | — | — | — | — | — | 1 |
| 2023 | — | — | — | — | — | 0 |
| 2022 | — | — | — | — | — | 1 |
| 2021 | — | — | — | — | — | 1 |
| 2020 | — | — | — | — | — | 1 |
| 2019 | — | — | — | — | — | 1 |
| 2018 | — | — | — | — | — | 0 |
| 2017 | — | — | — | — | — | 0 |
| 2016 | — | — | — | — | — | 0 |
| 2015 | — | — | — | — | — | 0 |
| 2014 | — | — | — | — | — | 0 |
| 2013 | — | — | — | — | — | 0 |
| 2012 | 181 | — | — | — | — | 181 |
| 2011 | — | — | — | — | — | 1 |
| 2010 | — | — | — | — | — | 1 |
| 2009 | — | — | — | — | — | 1 |
| 2008 | — | — | — | — | — | 1 |
| 2007 | — | — | — | — | — | 4 |
| 2006 | — | — | — | — | — | 2 |
| 2005 | 369 | 343 | 343 | 343 | — | 1,398 |
| 2004 | — | 18 | — | — | — | 40 |
| 2003 | 50 | 32 | — | — | 18 | 137 |
| 2002 | — | 26 | 14 | — | 15 | 93 |
| 2001 | — | 15 | 14 | — | 21 | 103 |
| 2000 | — | — | 11 | — | 13 | 36 |
| 1999 | 7 | 8 | 8 | — | 38 | 108 |
| 1998 | 6 | — | — | — | 26 | 216 |
▎ 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.