Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
KENMORE RESEARCH CO
935 N FREEDOM ST, RAVENNA, OH, 44266
Parent company: SWAGELOK CO
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 | Nitric acid | Phosphoric acid | Ammonia | Chromium | Total (lbs) | |
| 2007 | — | — | — | 25 | 25 | |
| 1999 | 386 | — | — | — | 386 | |
| 1998 | 430 | 85 | — | — | 515 | |
| 1997 | 580 | 103 | — | — | 683 | |
| 1996 | 555 | 159 | — | — | 714 | |
| 1995 | 95 | 500 | — | — | 595 | |
| 1994 | 94 | — | 48 | — | 142 | |
| 1993 | — | — | 20 | — | 20 | |
| 1992 | — | — | 20 | — | 20 | |
| 1991 | — | — | 20 | — | 20 | |
| 1990 | — | — | 5 | — | 5 | |
| 1989 | — | — | 5 | — | 5 | |
| 1988 | — | — | 250 | — | 250 | |
| 1987 | — | — | 1 | — | 1 | |
▎ 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.