Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SMITH STEEL CASTING CO
510 HAZELWOOD, MARSHALL, TX, 75670
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 | 4,4'-Methylenedi(phenyl isocyanate) | 1,2,4-Trimethylbenzene | Total (lbs) | |||
| 1992 | 13,464 | 11,600 | 25,064 | |||
| 1991 | 16,632 | 13,000 | 29,632 | |||
▎ 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.