Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
DIODES US MANUFACTURING INC
333 WESTERN AVE, SOUTH PORTLAND, ME, 04106
Parent company: DIODES INC
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 | Acetone | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Xylene (mixed isomers) | Freon 113 (CFC-113) | 1,1,1-Trichloroethane | Total (lbs) |
| 2024 | — | 670 | — | — | — | 1,651 |
| 2023 | — | 675 | — | — | — | 1,623 |
| 2022 | — | 760 | — | — | — | 1,865 |
| 2021 | — | 547 | — | — | — | 1,731 |
| 2020 | — | 314 | — | — | — | 1,282 |
| 2019 | — | 314 | — | — | — | 1,297 |
| 2018 | — | 362 | — | — | — | 1,536 |
| 2017 | — | 449 | — | — | — | 1,510 |
| 2016 | — | 486 | — | — | — | 1,560 |
| 2015 | — | 539 | — | — | — | 1,737 |
| 2014 | — | 392 | — | — | — | 3,154 |
| 2013 | — | 661 | — | — | — | 3,250 |
| 2012 | — | 999 | — | — | — | 2,867 |
| 2011 | — | 1,799 | — | — | — | 7,216 |
| 2010 | — | 2,153 | — | — | — | 7,512 |
| 2009 | — | 1,468 | — | — | — | 2,885 |
| 2008 | — | 1,859 | — | — | — | 3,282 |
| 2007 | — | 2,049 | — | — | — | 3,252 |
| 2006 | — | 2,449 | — | — | — | 3,564 |
| 2005 | — | 2,248 | — | — | — | 3,208 |
| 2004 | — | 2,567 | — | — | — | 3,657 |
| 2003 | — | 12,523 | 845 | — | — | 17,940 |
| 2002 | — | 7,945 | 4,498 | — | — | 15,369 |
| 2001 | — | 7,405 | 2,307 | — | — | 11,057 |
| 2000 | — | 6,300 | 3,687 | — | — | 18,839 |
| 1999 | — | 4,158 | 2,899 | — | — | 15,338 |
| 1998 | — | 3,109 | 2,784 | — | — | 16,813 |
| 1997 | — | — | 1,982 | — | — | 13,454 |
| 1996 | — | — | 1,899 | — | — | 12,638 |
| 1995 | — | — | 1,950 | — | — | 8,056 |
| 1994 | — | 5,877 | 10,030 | — | — | 28,006 |
| 1993 | 22,749 | 1,419 | 12,647 | — | — | 41,866 |
| 1992 | 13,773 | 1,292 | 10,667 | 8,839 | 4,581 | 44,074 |
| 1991 | 23,637 | 1,216 | 4,830 | — | 16,047 | 50,529 |
| 1990 | 17,450 | 8,550 | 17,550 | 16,200 | 29,600 | 93,762 |
| 1989 | 24,250 | 14,250 | 19,250 | 54,500 | 29,000 | 144,974 |
| 1988 | 72,250 | 900 | — | — | — | 76,152 |
| 1987 | — | 23,750 | — | — | — | 27,170 |
▎ 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.