Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MASCOTECH INDUSTRIAL COMPONENTS
US HWY 58 & 421 W RD, DUFFIELD, VA, 24244
Parent company: MASCOTECH 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 | Aluminum oxide (fibrous forms) | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Chromium | Nickel | Nickel compounds | Total (lbs) |
| 1993 | — | — | 255 | 10 | — | 265 |
| 1992 | — | 5 | — | — | 5 | 10 |
| 1991 | — | 1,655 | — | — | 255 | 1,910 |
| 1990 | — | — | 10 | 10 | — | 20 |
| 1989 | — | — | 500 | 500 | — | 1,000 |
| 1988 | 5,654 | — | 500 | 500 | — | 6,654 |
| 1987 | 1,000 | — | — | — | — | 1,000 |
▎ 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.