Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
MINTEQ INTERNATIONAL INC ZEDMARK DIV
395 GROVE CITY RD, SLIPPERY ROCK, PA, 16057
Parent company: MINERALS TECHNOLOGIES INC
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) | Total |
|---|---|---|
| 1992 | 750 | 750 |
| 1991 | 250 | 250 |
| 1990 | 23 | 23 |
| 1989 | 23 | 23 |