Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
ALLIED-SIGNAL INC COMMUNICATIONS SYS
1300 E JOPPA RD, TOWSON, MD, 212865999
Parent company: ALLIED-SIGNAL 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 | 1,1,1-Trichloroethane | Freon 113 (CFC-113) | Total (lbs) | |||
| 1994 | 6,800 | — | 6,800 | |||
| 1993 | 18,575 | — | 18,575 | |||
| 1992 | 15,485 | — | 15,485 | |||
| 1991 | 16,148 | — | 16,148 | |||
| 1990 | 21,449 | 16,989 | 38,438 | |||
| 1989 | 14,245 | 13,029 | 27,274 | |||
| 1988 | 23,838 | 13,937 | 37,775 | |||
| 1987 | — | 19,394 | 19,394 | |||
▎ 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.