Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
4200 N PAN AM EXPRESSWAY, SAN ANTONIO, TX, 782185214
Parent company: US NATURAL RESOURCES
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) across all available years.
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 | Trichloroethylene | Chlorodifluoromethane (HCFC-22) | Toluene | Toluene-2,4-diisocyanate | Total (lbs) | |
| 2007 | — | 31,050 | — | — | 31,050 | |
| 2006 | — | 37,261 | — | — | 37,261 | |
| 2005 | — | 21,226 | — | — | 21,226 | |
| 2004 | — | 27,615 | — | — | 27,615 | |
| 2003 | — | 25,000 | — | — | 25,000 | |
| 2002 | — | 45,000 | — | — | 45,000 | |
| 2001 | — | 40,560 | — | — | 40,560 | |
| 2000 | — | 37,180 | — | — | 37,180 | |
| 1999 | — | 35,152 | — | — | 35,152 | |
| 1997 | 135,570 | 85,567 | — | — | 221,137 | |
| 1996 | 140,710 | 27,042 | — | — | 167,752 | |
| 1995 | 167,590 | 18,036 | — | — | 185,626 | |
| 1994 | 147,219 | 3,584 | — | — | 150,803 | |
| 1993 | 59,750 | — | — | — | 59,750 | |
| 1992 | 68,310 | — | 1,949 | — | 70,259 | |
| 1991 | 71,823 | — | 10,485 | — | 82,308 | |
| 1990 | 102,914 | — | 14,742 | — | 117,656 | |
| 1989 | 139,620 | — | 13,750 | — | 153,370 | |
| 1988 | — | — | — | 17,250 | 17,250 | |
▎ 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.