Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
NHK SPRING PRECISION OF AMERICA
10600 FREEPORT DRIVE, LOUISVILLE, KY, 40258
Parent company: NA
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 | Manganese | Ammonia | Nickel | Total (lbs) | |
| 2024 | 13 | 13 | 9 | — | 35 | |
| 2023 | 12 | 12 | 8 | — | 32 | |
| 2022 | 3 | 3 | 2 | — | 8 | |
| 2021 | 5 | 5 | — | — | 10 | |
| 2020 | 9 | 8 | — | 3 | 21 | |
| 2019 | 3 | 3 | — | 1 | 7 | |
▎ 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.