Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
VARIFORM INC.
91 VARIFORM DR, MARTINSBURG, WV, 25405
Parent company: CORNERSTONE BUILDING BRANDS
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 | Antimony compounds | Manganese compounds | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Total (lbs) | ||
| 1995 | 287 | 287 | 269 | 843 | ||
| 1994 | 271 | 271 | 262 | 804 | ||
| 1993 | 260 | 260 | 255 | 775 | ||
| 1992 | 260 | 260 | 255 | 775 | ||
▎ 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.