Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
MARTIN MARIETTA MAGNESIA SPECIALTIES INC
160 SAMUEL B MILTON DR, RIVER ROUGE, MI, 48218
Parent company: MARTIN MARIETTA CORP
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases 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.
| Year | Aluminum oxide (fibrous forms) | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Total |
|---|---|---|---|
| 1993 | — | 2 | 2 |
| 1992 | — | 2 | 2 |
| 1991 | — | 8 | 8 |
| 1990 | — | 33 | 33 |
| 1989 | — | 39 | 39 |
| 1988 | 170 | — | 170 |