Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MASONITE CORP, MARION PLANT
US HWY 301 S, SELLERS, SC, 29592
Parent company: MASONITE CORP
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 | Formaldehyde | Methanol | Ammonia | Ammonium sulfate (solution) | Total (lbs) | |
| 1998 | — | 96,376 | — | — | 96,376 | |
| 1997 | 29,189 | — | — | — | 29,189 | |
| 1996 | 27,038 | — | — | — | 27,038 | |
| 1995 | 21,150 | — | — | — | 21,150 | |
| 1994 | 12,217 | — | 14,408 | — | 26,625 | |
| 1993 | 11,371 | — | 11,573 | — | 22,944 | |
| 1992 | 17,961 | — | 16,280 | — | 34,241 | |
| 1991 | 26,231 | — | — | 522 | 26,753 | |
| 1990 | 40,840 | — | — | 750 | 41,590 | |
| 1989 | 39,386 | — | — | 750 | 40,136 | |
| 1988 | 48,478 | — | — | 2,321 | 50,799 | |
▎ 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.