Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
II-VI OPTOELECTRONIC DEVICES INC.
141 MOUNT BETHEL RD, WARREN, NJ, 07059
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 | N-Methyl-2-pyrrolidone | Chloroform | Total (lbs) | |||
| 2023 | 787 | — | 787 | |||
| 2022 | 1,471 | — | 1,471 | |||
| 2021 | 1,671 | — | 1,671 | |||
| 2020 | 2,566 | — | 2,566 | |||
| 2019 | 2,697 | — | 2,697 | |||
| 2018 | 2,838 | — | 2,838 | |||
| 2017 | 2,764 | — | 2,764 | |||
| 2016 | 1,112 | — | 1,112 | |||
| 2015 | 1,111 | — | 1,111 | |||
| 2014 | 2,037 | — | 2,037 | |||
| 2013 | 4,647 | — | 4,647 | |||
| 2012 | 2,922 | — | 2,922 | |||
| 2011 | 2,687 | — | 2,687 | |||
| 2010 | 4,526 | — | 4,526 | |||
| 2009 | 1,001 | — | 1,001 | |||
| 2008 | 7,754 | — | 7,754 | |||
| 2007 | 8,177 | — | 8,177 | |||
| 2006 | 5,283 | — | 5,283 | |||
| 2005 | 3,294 | — | 3,294 | |||
| 2004 | 2,538 | — | 2,538 | |||
| 2003 | 891 | — | 891 | |||
| 2002 | 787 | — | 787 | |||
| 2001 | 591 | — | 591 | |||
| 2000 | 667 | 617 | 1,284 | |||
| 1999 | 662 | 716 | 1,378 | |||
| 1998 | — | 310 | 310 | |||
| 1997 | — | 543 | 543 | |||
▎ 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.