Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
CYTEC ENGINEERED MATERIALS INC.
800 CEL RIVER RD, ROCK HILL, SC, 29730
Parent company: SYENSQO HOLDING INC
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 | Hydrogen cyanide | Ammonia | Total (lbs) | |||
| 2024 | 70,492 | — | 70,492 | |||
| 2023 | 76,362 | — | 76,362 | |||
| 2022 | 65,775 | — | 65,775 | |||
| 2021 | 44,355 | — | 44,355 | |||
| 2020 | 50,037 | — | 50,037 | |||
| 2019 | 88,994 | — | 88,994 | |||
| 2018 | 73,161 | — | 73,161 | |||
| 2017 | 67,424 | — | 67,424 | |||
| 2016 | 66,464 | — | 66,464 | |||
| 2015 | 70,506 | — | 70,506 | |||
| 2014 | 69,705 | — | 69,705 | |||
| 2013 | 74,627 | — | 74,627 | |||
| 2012 | 76,296 | — | 76,296 | |||
| 2011 | 75,368 | — | 75,368 | |||
| 2010 | 64,883 | — | 64,883 | |||
| 2009 | 23,965 | — | 23,965 | |||
| 2008 | 78,356 | — | 78,356 | |||
| 2007 | 51,618 | — | 51,618 | |||
| 2006 | 49,018 | — | 49,018 | |||
| 2005 | 51,471 | — | 51,471 | |||
| 2004 | 39,311 | — | 39,311 | |||
| 2003 | 26,265 | — | 26,265 | |||
| 2002 | 15,566 | — | 15,566 | |||
| 2001 | 24,270 | — | 24,270 | |||
| 2000 | 24,490 | — | 24,490 | |||
| 1999 | 17,505 | — | 17,505 | |||
| 1998 | 39,005 | 395 | 39,400 | |||
| 1997 | 32,005 | 615 | 32,620 | |||
| 1996 | 30,005 | 560 | 30,565 | |||
| 1995 | 535 | — | 535 | |||
▎ 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.