Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
WELCHEM INC SEMINOLE PLANT
706 N MAIN ST, SEMINOLE, TX, 79360
Parent company: AMOCO 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 | Naphthalene | Methanol | Total (lbs) | |||
| 1990 | 679 | 8 | 687 | |||
| 1989 | 871 | 50 | 921 | |||
| 1988 | 450 | — | 450 | |||
| 1987 | 476 | — | 476 | |||
▎ 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.