Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
17402 WALLISVILLE RD, HOUSTON, TX, 77049
Parent company: EXXON CORP
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 | Methanol | Ethylene oxide | Toluene | Propylene oxide | Xylene (mixed isomers) | Total (lbs) |
| 1989 | 1,090 | — | 354 | — | 1,450 | 2,979 |
| 1988 | 7,330 | 5,000 | — | 780 | — | 13,738 |
| 1987 | 8,900 | 4,500 | 3,300 | 1,880 | — | 18,863 |
▎ 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.