Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MAPLE MANUFACTURING LLC
3010 BIRCH DR, WEIRTON, WV, 26062
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 | Certain glycol ethers | Xylene (mixed isomers) | 1,2,4-Trimethylbenzene | Naphthalene | n-Butyl alcohol | Total (lbs) |
| 2021 | 167 | 147 | 51 | 160 | 42 | 614 |
| 2020 | 150 | 232 | 41 | 144 | 32 | 733 |
| 2019 | 2 | 16 | 4 | 4 | 11 | 44 |
| 2018 | 98 | 92 | 98 | 75 | 112 | 593 |
| 2017 | 567 | 298 | 469 | 28 | 112 | 1,675 |
▎ 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.