Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
PRO-TECH INC
902 S PINE ST, WACONIA, MN, 55387
Parent company: NA
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 | Ammonia | Copper compounds | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total |
|---|---|---|---|---|
| 1993 | 534 | — | — | 534 |
| 1992 | 1,000 | — | — | 1,000 |
| 1991 | 1,000 | — | — | 1,000 |
| 1990 | 1,025 | 35 | 35 | 1,095 |