Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
HC STARCK
21801 TUNGSTEN RD, EUCLID, OH, 44117
Parent company: HC STARCK INC
Carcinogen
— EPA classifications across all reporting years
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 | Molybdenum trioxide | Nitric acid | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Hydrogen fluoride | 1,1,1-Trichloroethane | Total (lbs) |
| 2016 | — | 5 | — | — | — | 5 |
| 2014 | — | 10 | — | — | — | 10 |
| 2009 | 724 | — | — | — | — | 724 |
| 2008 | 1,179 | — | — | — | — | 1,179 |
| 2006 | 1,306 | 14 | — | — | — | 1,327 |
| 2005 | 2,059 | 14 | — | — | — | 2,078 |
| 2004 | 2,901 | 17 | — | — | — | 2,922 |
| 2003 | 2,003 | 20 | — | — | — | 2,023 |
| 2002 | — | 10 | — | — | — | 14 |
| 2001 | — | 255 | — | — | — | 265 |
| 2000 | — | 10 | — | — | — | 20 |
| 1999 | — | 10 | — | — | — | 20 |
| 1998 | — | 10 | — | — | — | 20 |
| 1997 | — | 10 | — | — | — | 20 |
| 1996 | — | 13 | — | — | — | 26 |
| 1995 | — | 10 | — | 10 | — | 30 |
| 1994 | — | 10 | — | 10 | — | 20 |
| 1993 | — | 755 | 755 | 255 | — | 1,765 |
| 1992 | — | 755 | 755 | 255 | — | 1,765 |
| 1991 | — | 755 | 755 | 255 | 255 | 2,020 |
| 1990 | — | 500 | 1,000 | — | 255 | 1,755 |
| 1989 | — | 500 | 500 | — | 255 | 1,255 |
| 1988 | — | 500 | — | — | — | 1,000 |
▎ 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.