Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
NASA GLENN RESEARCH CENTER
21000 BROOKPARK RD MAIL STOP 501-5, CLEVELAND, OH, 441353127
Parent company: NATIONAL AERONAUTICS & SPACE ADMINISTRATION
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 | Dichlorodifluoromethane (CFC-12) | 1,1,1-Trichloroethane | Dichlorotetrafluoroethane (CFC-114) | Chlorodifluoromethane (HCFC-22) | Ethylene glycol | Total (lbs) |
| 1999 | 5 | — | — | 5 | — | 10 |
| 1998 | 58 | — | — | 700 | — | 758 |
| 1997 | 2,980 | — | — | 22 | — | 3,002 |
| 1996 | 1,083 | — | — | 1,061 | — | 2,144 |
| 1995 | 7,233 | — | — | 895 | — | 8,128 |
| 1994 | 11,022 | — | 15,960 | 5,700 | — | 32,682 |
| 1993 | 19,545 | — | — | — | — | 19,545 |
| 1992 | 40,810 | 24,674 | — | — | — | 65,484 |
| 1991 | 40,005 | 54,404 | 8,005 | — | 250 | 102,664 |
| 1990 | — | 4,204 | — | — | 250 | 4,454 |
▎ 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.