Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), 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 in pounds (lbs) 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.
| All values in pounds (lbs) | ||||||
|---|---|---|---|---|---|---|
| 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 (lbs) |
| 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 |
▎ Facilities report to EPA's TRI once they manufacture, process, or use a listed chemical above set thresholds. Once that threshold is crossed, they must report actual releases regardless of size — so a small number reflects genuine low-level discharge, not a data error.