Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
NUTONE INC
850 N LAKE DR, SUITE 500, COPPELL, TX, 75019
Parent company: WILLIAMS HOLDINGS INC
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 | Xylene (mixed isomers) | n-Butyl alcohol | Total (lbs) | |||
| 1992 | 5,124 | — | 5,124 | |||
| 1991 | 14,187 | 2,650 | 16,837 | |||
| 1990 | 9,560 | 1,230 | 10,790 | |||
| 1989 | 6,900 | — | 6,900 | |||
▎ 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.