Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SUMITOMO ELECTRIC LIGHTWAVE CORP
78 ALEXANDER DR, RESEARCH TRIANGLE PARK, NC, 27709
Parent company: SUMITOMO ELECTRIC INDUSTRIES
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 | Methyl ethyl ketone | Total (lbs) | ||||
| 1999 | 4,081 | 4,081 | ||||
| 1997 | 478 | 478 | ||||
| 1996 | 10,766 | 10,766 | ||||
▎ 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.