Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
NATIONAL SEATING CO
200 NATL DR, VONORE, TN, 37885
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 | Trichloroethylene | Toluene | Methyl isobutyl ketone | Total (lbs) | ||
| 1993 | 1,940 | 491 | 216 | 2,647 | ||
| 1992 | 23,117 | 13,339 | 1,408 | 37,864 | ||
| 1991 | 78,864 | 43,721 | 8,879 | 131,464 | ||
| 1990 | 102,561 | 56,559 | 10,334 | 169,454 | ||
| 1989 | 92,792 | 64,872 | 13,276 | 170,940 | ||
| 1988 | 93,438 | — | — | 93,438 | ||
| 1987 | 1,565 | 43,197 | — | 44,762 | ||
▎ 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.