Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
EXSIL INC
15 CLARKSON ST, PROVIDENCE, RI, 02908
Parent company: ROCKWOOD SPECIALTIES 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 | Hydrogen fluoride | Total (lbs) | ||||
| 2006 | 6,792 | 6,792 | ||||
| 2005 | 543 | 543 | ||||
| 2004 | 543 | 543 | ||||
| 2003 | 267 | 267 | ||||
| 2002 | 154 | 154 | ||||
| 2001 | 1,223 | 1,223 | ||||
| 2000 | 1,119 | 1,119 | ||||
| 1999 | 117 | 117 | ||||
| 1998 | 1,107 | 1,107 | ||||
| 1997 | 77 | 77 | ||||
| 1996 | 11,092 | 11,092 | ||||
| 1995 | 6,101 | 6,101 | ||||
▎ 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.