Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SIEMENS ENERGY INC. RICHLAND MS
444 HWY 49 S, RICHLAND, MS, 39218
Parent company: SIEMENS ENERGY 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 | Xylene (mixed isomers) | Toluene | Sodium hydroxide (solution) | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Copper | Total (lbs) |
| 2007 | — | — | — | — | 6 | 16 |
| 2006 | — | — | — | — | 6 | 6 |
| 2005 | — | — | — | — | 6 | 6 |
| 2004 | — | — | — | — | 6 | 6 |
| 1992 | — | 12,595 | — | — | — | 12,595 |
| 1991 | — | 18,374 | — | — | — | 18,374 |
| 1990 | 43,053 | 14,135 | — | — | — | 57,188 |
| 1989 | 49,415 | 25,899 | — | — | — | 75,314 |
| 1988 | 49,102 | 20,493 | 250 | — | — | 69,845 |
| 1987 | — | — | 250 | 250 | — | 500 |
▎ 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.