Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
TECSTAR INC
921 HOLLOWAY ST, DURHAM, NC, 27702
Parent company: TECSTAR POWER SYSTEMS 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 | Freon 113 (CFC-113) | Total (lbs) | ||||
| 1995 | 4,990 | 4,990 | ||||
| 1994 | 12,325 | 12,325 | ||||
| 1993 | 13,700 | 13,700 | ||||
| 1992 | 9,505 | 9,505 | ||||
| 1991 | 10,483 | 10,483 | ||||
| 1990 | 33,408 | 33,408 | ||||
| 1989 | 44,725 | 44,725 | ||||
| 1988 | 34,992 | 34,992 | ||||
▎ 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.