Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
PARKER HANNIFIN HELAC CYLINDER DIV
225 BATTERSBY AVE, ENUMCLAW, WA, 98022
Parent company: PARKER HANNIFIN CORP
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 | Manganese | Manganese compounds | Chromium | Total (lbs) | ||
| 2024 | 3 | — | — | 3 | ||
| 2023 | 9 | — | 0 | 9 | ||
| 2022 | 23 | — | — | 23 | ||
| 2021 | 19 | — | 0 | 19 | ||
| 2020 | 16 | — | 0 | 16 | ||
| 2019 | 26 | — | 0 | 26 | ||
| 2018 | — | 28 | 5 | 33 | ||
▎ 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.