Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
FINISAR CORP
6800 S US HWY 75, SHERMAN, TX, 75090
Parent company: NA
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 | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Ammonia | N-Methyl-2-pyrrolidone | Hydrogen fluoride | Nitric acid | Total (lbs) |
| 2024 | — | — | 6,750 | — | — | 6,750 |
| 2023 | — | — | 3,750 | — | — | 3,750 |
| 2022 | — | — | 3,437 | — | — | 3,437 |
| 2021 | — | — | 4,310 | — | — | 4,310 |
| 2020 | — | — | 3,750 | — | — | 3,750 |
| 2019 | — | — | 4,307 | — | — | 4,307 |
| 2011 | 6,386 | 985 | — | 408 | 300 | 8,079 |
| 2010 | 7,608 | 4,470 | — | 580 | 370 | 13,028 |
| 2009 | 4,304 | 4,160 | — | 470 | 240 | 9,174 |
| 2008 | 2,903 | 3,850 | — | 418 | 220 | 7,391 |
| 2007 | 4,905 | 4,680 | — | 550 | 280 | 10,415 |
| 2006 | 10,010 | 6,030 | — | 780 | 530 | 17,350 |
| 2005 | 8,410 | 4,990 | — | 870 | 730 | 15,000 |
| 2004 | 11,010 | 6,340 | — | 968 | 890 | 19,208 |
| 2003 | 10,210 | 5,620 | — | 734 | 630 | 17,194 |
| 2002 | 6,005 | 4,780 | — | 630 | 530 | 11,945 |
| 2001 | 3,005 | 4,900 | — | 605 | 480 | 8,990 |
| 2000 | 5,905 | 5,510 | — | 950 | 760 | 13,125 |
| 1999 | 2,605 | 5,510 | — | 255 | 500 | 8,870 |
| 1998 | — | 3,505 | — | 1,285 | 255 | 5,170 |
| 1997 | — | — | — | 1,264 | 312 | 1,856 |
▎ 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.