Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
PORCELEN LTD CT LLC
129 LEEDER HILL DR, HAMDEN, CT, 06517
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 | 1,1,1-Trichloroethane | Xylene (mixed isomers) | Methyl ethyl ketone | Toluene | N-Methyl-2-pyrrolidone | Total (lbs) |
| 2024 | — | — | — | — | 655 | 655 |
| 2023 | — | — | — | — | 611 | 611 |
| 2022 | — | — | — | — | 684 | 684 |
| 2021 | — | — | — | — | 1,197 | 1,355 |
| 2020 | — | — | — | — | 1,194 | 1,373 |
| 2019 | — | — | — | — | 1,109 | 1,287 |
| 2018 | — | — | — | — | 742 | 742 |
| 2017 | — | — | — | — | 1,040 | 1,040 |
| 2016 | — | — | — | — | 394 | 394 |
| 2015 | — | — | — | — | 1,098 | 1,219 |
| 2014 | — | — | — | — | 10,666 | 11,426 |
| 2013 | — | — | — | — | 7,114 | 7,557 |
| 2012 | — | 6,795 | — | — | 7,292 | 14,433 |
| 2011 | — | 7,358 | — | — | 9,572 | 17,358 |
| 2010 | — | 9,454 | — | — | 9,895 | 19,657 |
| 2009 | — | 10,128 | — | — | 2,144 | 12,272 |
| 2008 | — | 11,247 | — | — | 1,790 | 13,037 |
| 2007 | — | 10,565 | — | — | 1,715 | 12,280 |
| 2006 | — | 11,276 | — | — | 1,826 | 13,102 |
| 2005 | — | 12,208 | — | — | 1,620 | 13,828 |
| 2003 | — | — | 2,447 | — | — | 2,447 |
| 2002 | — | 1,391 | 2,784 | 1,196 | 1,544 | 6,915 |
| 2001 | — | 1,415 | 2,538 | 1,005 | 487 | 5,445 |
| 2000 | — | 8,670 | 11,947 | 2,925 | 3,613 | 27,155 |
| 1999 | — | 1,378 | 2,239 | — | 9,700 | 14,696 |
| 1998 | — | — | 1,467 | 850 | — | 2,317 |
| 1997 | — | — | 4,981 | 2,241 | — | 7,222 |
| 1996 | — | — | 7,014 | 3,024 | — | 10,038 |
| 1995 | 69,440 | — | — | 10,980 | — | 80,420 |
| 1994 | 126,300 | — | 1,000 | 12,050 | — | 139,350 |
| 1993 | 17,250 | 12,350 | 1,000 | 12,450 | — | 43,050 |
| 1992 | 125,000 | 12,250 | 15,000 | 13,450 | — | 165,700 |
| 1991 | 137,000 | 8,850 | 27,400 | 10,050 | — | 183,300 |
| 1990 | 126,250 | 10,350 | 16,200 | 37,750 | — | 190,800 |
| 1989 | 129,620 | 2,760 | 27,590 | 11,200 | — | 171,170 |
| 1988 | 74,950 | 11,250 | 19,200 | — | — | 105,400 |
| 1987 | 69,750 | — | — | 14,250 | — | 84,250 |
▎ 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.