Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
ROCKWOOLUSA
665 NORTHPORT AVENUE, KEARNEYSVILLE, WV, 25430
Parent company: ROXUL USA INC
PBT
— 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 | Ammonia | Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Lead compounds | Total (lbs) | |
| 2024 | 78,912 | — | 1 | — | 78,913 | |
| 2023 | 95,068 | 35 | — | — | 95,103 | |
| 2022 | 128,578 | — | 11 | — | 128,589 | |
| 2021 | 65,988 | — | 4 | 0 | 65,992 | |
▎ 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.