Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MICROSEMI CORP COLORADO
800 HOYT ST, BROOMFIELD, CO, 80020
Parent company: MICROSEMI CORP
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 | Xylene (mixed isomers) | Methanol | 1,1,1-Trichloroethane | Nitric acid | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total (lbs) |
| 2008 | 15,307 | — | — | 275 | — | 15,582 |
| 2007 | 5,271 | — | — | 215 | — | 5,486 |
| 2006 | — | — | — | 560 | — | 1,120 |
| 2005 | — | — | — | 493 | — | 986 |
| 2004 | — | — | — | 407 | — | 814 |
| 2003 | — | — | — | 258 | — | 500 |
| 2002 | — | — | — | 250 | — | 250 |
| 2001 | — | — | — | 250 | — | 250 |
| 2000 | 3,597 | — | — | 250 | — | 4,097 |
| 1999 | 5,295 | — | — | 250 | — | 5,795 |
| 1998 | 3,499 | — | — | 250 | — | 3,999 |
| 1997 | 4,706 | — | — | 750 | — | 5,706 |
| 1996 | 10,438 | — | — | 750 | — | 11,438 |
| 1995 | 6,947 | 734 | — | — | — | 7,681 |
| 1994 | 15,607 | 25,113 | — | 750 | 1,135 | 43,105 |
| 1993 | 14,280 | 15,280 | — | 250 | 750 | 31,060 |
| 1992 | 8,616 | 2,798 | 6,373 | 250 | 1,020 | 19,557 |
| 1991 | 4,695 | 4,362 | 3,466 | 306 | 912 | 14,015 |
▎ 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.