Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MATERIALS MARKETING CORP
120 W JOSEPHINE, SAN ANTONIO, TX, 78212
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) | Total (lbs) | ||||
| 1998 | 8,000 | 8,000 | ||||
| 1997 | 11,000 | 11,000 | ||||
| 1996 | 11,000 | 11,000 | ||||
| 1995 | 20,000 | 20,000 | ||||
| 1994 | 30,000 | 30,000 | ||||
▎ 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.