Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
PROTOMET CORP
2400 MAREMONT PKWY, LOUDON, TN, 37774
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 | Nitric acid | Total (lbs) | ||||
| 2024 | 371 | 371 | ||||
| 2023 | 355 | 355 | ||||
| 2022 | 424 | 424 | ||||
| 2021 | 557 | 557 | ||||
| 2020 | 585 | 585 | ||||
| 2019 | 557 | 557 | ||||
| 2018 | 256 | 256 | ||||
▎ 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.