Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SMITH SYSTEM MFG CO
1714 E 14TH ST, PLANO, TX, 75074
Parent company: NA
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 | Toluene | Xylene (mixed isomers) | Total (lbs) | |||
| 1999 | — | 5,490 | 5,490 | |||
| 1998 | 15,658 | — | 15,658 | |||
| 1997 | 15,420 | — | 15,420 | |||
▎ 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.