Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SANDVIK ROCK TOOLS INC
8760 CLAY RD, HOUSTON, TX, 77080
Parent company: SANDVIK ROCK TOOLS INC
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 | 1,1,1-Trichloroethane | Dichloromethane | Manganese | Ammonia | Chromium | Total (lbs) |
| 1992 | — | — | — | — | — | 16 |
| 1991 | — | — | — | — | — | 39 |
| 1990 | — | 3,000 | — | — | — | 3,015 |
| 1989 | 11,430 | 6,000 | 250 | — | 250 | 18,197 |
| 1988 | — | — | 250 | 250 | — | 500 |
| 1987 | 32,000 | — | — | 10 | — | 32,010 |
▎ 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.