Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
4714 WINFIELD RD, HOUSTON, TX, 77039
Parent company: NA
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) across all available years.
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 | Copper | Nickel | Zinc compounds | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Lead | Total (lbs) |
| 2013 | — | 20 | — | — | — | 20 |
| 2012 | — | 20 | — | — | — | 20 |
| 2011 | — | 20 | — | — | — | 20 |
| 2010 | — | 82 | 136 | 130 | 3 | 351 |
| 2003 | 5,259 | 2,720 | — | — | — | 7,979 |
| 2002 | 5,259 | 2,720 | — | — | — | 7,979 |
| 2001 | 4,471 | 2,312 | — | — | — | 6,783 |
| 2000 | 3,822 | 1,965 | — | — | — | 5,787 |
| 1999 | 3,230 | — | — | — | — | 3,230 |
| 1998 | 2,746 | — | — | — | — | 2,746 |
▎ 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.