Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
TRI-STAR REFACTORIES DIV OF NARCO
8361 BROADWELL RD, CINCINNATI, OH, 45244
Parent company: NORTH AMERICAN REFRACTORIES CO
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 | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Aluminum oxide (fibrous forms) | Phosphoric acid | Total |
|---|---|---|---|---|
| 1992 | 750 | — | 260 | 1,010 |
| 1991 | 255 | — | 250 | 505 |
| 1990 | 750 | — | 260 | 1,010 |
| 1989 | 750 | — | — | 750 |
| 1988 | — | 1,750 | — | 1,750 |
| 1987 | 750 | — | — | 750 |