Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
WESTERN LITHOTECH
3433 TREE CT INDL BLVD, SAINT LOUIS, MO, 63122
Parent company: MITSUBISHI CHEMICAL AMERICA INC
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 | 2-Methoxyethanol | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Nitric acid | Phosphoric acid | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total (lbs) |
| 1998 | — | — | 157 | 755 | — | 912 |
| 1997 | 3,080 | — | 420 | 755 | — | 4,255 |
| 1996 | 7,103 | — | 508 | — | — | 7,611 |
| 1995 | 5,106 | — | 475 | — | — | 5,581 |
| 1994 | 5,056 | 2,005 | 1,434 | — | 5 | 8,500 |
| 1993 | 8,215 | 2,005 | 1,455 | — | 5 | 11,680 |
| 1992 | 7,346 | 2,435 | 2,305 | — | 5 | 12,091 |
| 1991 | 3,600 | 1,330 | 1,905 | — | 5 | 6,840 |
| 1990 | 5,804 | 1,862 | 755 | — | 5 | 8,426 |
| 1989 | 2,390 | 1,100 | 750 | — | — | 4,240 |
| 1988 | — | 250 | — | — | — | 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.