Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
KNAPE & VOGT MANUFACTURING CO
2700 OAK INDUSTRIAL DR NE, GRAND RAPIDS, MI, 49505
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 | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Nitric acid | Barium | Cyanide compounds | Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | Total |
|---|---|---|---|---|---|---|
| 2023 | 41 | 8 | — | — | 0 | 50 |
| 2022 | 40 | 5 | — | — | 0 | 45 |
| 2021 | — | 5 | — | — | — | 5 |
| 2020 | — | 8 | — | — | — | 8 |
| 1992 | — | — | 5 | — | — | 5 |
| 1991 | — | — | 5 | — | — | 5 |
| 1987 | — | — | — | 1 | — | 1 |