Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
NASA JOHN C. STENNIS SPACE CENTER
BUILDING 1100, STENNIS SPACE CENTER, MS, 39529
Parent company: NATIONAL AERONAUTICS & SPACE ADMINISTRATION
Carcinogen
PBT
— EPA classifications across all reporting years
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 | 1,3-Dichloro-1,1,2,2,3-pentafluoropropane (HCFC-225cb) | Freon 113 (CFC-113) | Nitric acid | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Mixture | Total (lbs) |
| 2002 | 10,011 | — | — | — | — | 10,011 |
| 1998 | — | 1,440 | — | — | — | 1,440 |
| 1997 | — | 1,048 | — | — | — | 1,048 |
| 1993 | — | 255 | — | — | — | 510 |
| 1992 | — | 255 | — | — | — | 510 |
| 1991 | — | 255 | 515 | 760 | 3,015 | 7,960 |
| 1990 | — | 500 | 510 | 760 | — | 11,905 |
| 1989 | — | 250 | 750 | 750 | — | 14,250 |
| 1988 | — | — | 1,000 | 1,000 | — | 2,250 |
| 1987 | — | — | 750 | — | — | 750 |
▎ 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.