Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MICROCHIP TECHNOLOGY INC
21015 SE STARK ST, GRESHAM, OR, 97030
Parent company: MICROCHIP TECHNOLOGY 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 | Ammonia | Nitric acid | Hydrogen fluoride | Certain glycol ethers | 2-Ethoxyethanol | Total (lbs) |
| 2024 | 34,892 | 2,640 | 3,507 | — | — | 41,766 |
| 2023 | 42,207 | 3,777 | 3,504 | — | — | 51,836 |
| 2022 | 39,445 | 3,978 | 4,075 | — | — | 48,296 |
| 2021 | 34,718 | 135 | 653 | — | — | 36,156 |
| 2020 | — | 106 | 514 | — | — | 1,143 |
| 2019 | — | 108 | 492 | — | — | 600 |
| 2018 | — | 123 | 492 | — | — | 615 |
| 2017 | — | 114 | 492 | — | — | 606 |
| 2016 | — | 114 | 494 | — | — | 608 |
| 2015 | — | 102 | 492 | — | — | 594 |
| 2014 | — | 86 | 336 | — | — | 422 |
| 2013 | — | 62 | 244 | — | — | 306 |
| 2012 | — | 62 | 244 | — | — | 306 |
| 2011 | — | 70 | 275 | — | — | 345 |
| 2010 | — | 62 | 244 | — | — | 306 |
| 2009 | — | 33 | 128 | — | — | 161 |
| 2008 | — | 1,850 | 1,987 | — | — | 3,837 |
| 2007 | — | 2,038 | 1,256 | — | — | 3,294 |
| 2006 | — | 4,898 | 1,289 | — | — | 6,187 |
| 2005 | — | — | 1,093 | — | — | 1,093 |
| 2004 | — | — | 1,000 | — | — | 1,000 |
| 2001 | — | 250 | 1,760 | — | — | 2,010 |
| 2000 | — | 2,400 | 1,020 | — | — | 3,420 |
| 1999 | — | 2,400 | 1,200 | — | — | 3,600 |
| 1998 | — | 2,400 | 140 | — | — | 2,541 |
| 1997 | — | 3,900 | 1,500 | — | — | 5,430 |
| 1996 | — | 2,700 | 1,500 | — | — | 4,230 |
| 1995 | — | 2,400 | 1,300 | — | — | 3,950 |
| 1994 | — | 750 | 750 | — | — | 1,770 |
| 1993 | — | 750 | 750 | 5,962 | — | 7,712 |
| 1992 | — | 250 | 250 | 6,789 | — | 7,539 |
| 1991 | 250 | 250 | 250 | 5,671 | — | 6,671 |
| 1990 | 151 | 799 | 347 | — | 7,842 | 17,248 |
| 1989 | — | 250 | — | — | — | 500 |
▎ 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.