Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
STRUCTURAL CONCEPTS CORP
888 E PORTER RD, MUSKEGON, MI, 49441
Parent company: SC HOLDING CORP
Carcinogen
— EPA classifications across all reporting years
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 | Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | Nickel And Nickel Compounds | Manganese And Manganese Compounds | Total (lbs) | ||
| 2024 | 181 | 60 | 70 | 312 | ||
| 2023 | 179 | 60 | — | 239 | ||
▎ 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.