Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
ARMSTRONG WORLD INDUSTRIES HILLIARD OHIO PLANT
4241 LEAP RD, HILLIARD, OH, 43026
Parent company: ARMSTRONG WORLD INDUSTRIES INC
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 compounds | Manganese And Manganese Compounds | Total (lbs) | |||
| 2024 | — | 13 | 13 | |||
| 2023 | — | 11 | 11 | |||
| 2022 | 9 | — | 9 | |||
| 2021 | — | 31 | 31 | |||
| 2020 | 40 | — | 40 | |||
| 2019 | — | 39 | 39 | |||
| 2018 | 52 | — | 52 | |||
| 2017 | 118 | — | 118 | |||
| 2016 | 72 | — | 72 | |||
| 2015 | 12 | — | 12 | |||
▎ 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.