Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
PERMA TREAT CORP
74 AIRLINE DR, DURHAM, CT, 06422
Parent company: NA
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 | Creosote | Naphthalene | Anthracene | Dibenzofuran | Phenanthrene | Total (lbs) |
| 2024 | 500 | — | — | — | — | 509 |
| 2023 | 642 | — | — | — | — | 657 |
| 2022 | 454 | — | — | — | — | 464 |
| 2021 | 635 | — | — | — | — | 645 |
| 2020 | 370 | — | — | — | — | 377 |
| 2019 | 474 | — | — | — | — | 484 |
| 2018 | 518 | — | — | — | — | 528 |
| 2017 | 460 | — | — | — | — | 469 |
| 2016 | 691 | — | — | — | — | 705 |
| 2015 | 528 | — | — | — | — | 539 |
| 2014 | 339 | — | — | — | — | 346 |
| 2013 | 399 | — | — | — | — | 408 |
| 2012 | 399 | — | — | — | — | 415 |
| 2011 | 500 | — | — | — | — | 514 |
| 2010 | 500 | — | — | — | — | 516 |
| 2009 | 500 | — | — | — | — | 515 |
| 2008 | 500 | — | — | — | — | 518 |
| 2007 | 500 | — | — | — | — | 524 |
| 2006 | 500 | — | — | — | — | 507 |
| 2005 | 1,500 | — | — | — | — | 1,544 |
| 2004 | 500 | — | — | — | — | 509 |
| 2003 | 500 | 500 | 500 | 500 | 500 | 2,506 |
| 2002 | 500 | 500 | 500 | 500 | 500 | 2,506 |
| 2001 | 500 | 500 | 500 | — | 500 | 2,003 |
| 2000 | 500 | 500 | 500 | 500 | 500 | 2,504 |
| 1999 | 500 | — | — | — | — | 500 |
| 1998 | 500 | — | — | — | — | 500 |
| 1997 | 1,000 | — | — | — | — | 1,000 |
| 1996 | 1,000 | — | — | — | — | 1,000 |
| 1995 | 1,000 | — | — | — | — | 1,000 |
| 1994 | 1,000 | — | — | — | — | 1,000 |
| 1993 | 1,500 | — | — | — | — | 1,500 |
| 1992 | 1,500 | — | — | — | — | 1,500 |
| 1991 | 1,500 | — | — | — | — | 1,500 |
| 1990 | 1,500 | — | — | — | — | 1,500 |
| 1989 | — | 1,500 | 1,500 | 1,500 | — | 5,000 |
| 1988 | — | 1,500 | — | 500 | — | 2,000 |
▎ 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.