Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
ROYAL BUILDING PRODUCTS
4057 S OAK ST, METAMORA, MI, 48455
Parent company: WESTLAKE CORP
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 | Copper | Manganese | Total |
|---|---|---|---|
| 2024 | 95 | 49 | 144 |
| 2023 | 0 | 0 | 0 |
| 2022 | 64 | 33 | 97 |
| 2021 | 116 | 59 | 175 |