Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
TRINITY FORGE INC
947 TRINITY DR, MANSFIELD, TX, 76063
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 | Manganese compounds | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Chromium | Nickel compounds | Nickel | Total (lbs) |
| 2017 | — | — | 90 | — | 73 | 226 |
| 2016 | — | — | 105 | — | 58 | 214 |
| 2015 | — | — | 259 | — | 94 | 519 |
| 2014 | — | — | 226 | — | 89 | 570 |
| 2013 | — | — | 161 | — | 74 | 357 |
| 2012 | — | — | 288 | — | 199 | 682 |
| 2011 | — | — | 317 | — | 304 | 859 |
| 2007 | — | — | — | — | — | 5 |
| 2006 | — | — | — | — | — | 5 |
| 2005 | — | — | — | — | — | 5 |
| 2004 | — | — | — | — | — | 5 |
| 2003 | — | — | — | — | — | 5 |
| 2002 | — | — | — | — | — | 5 |
| 2001 | — | — | — | — | — | 5 |
| 1995 | 1,063 | 856 | — | 649 | — | 2,568 |
| 1994 | 1,300 | 700 | — | 700 | — | 2,700 |
▎ 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.