Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
KEYSTONE CORP
1095 NIAGARA ST, BUFFALO, NY, 14213
Parent company: NA
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 | Trichloroethylene | Nitric acid | Sodium hydroxide (solution) | Total (lbs) | ||
| 1998 | — | 10 | — | 10 | ||
| 1996 | 24,420 | — | — | 24,420 | ||
| 1995 | 24,420 | — | — | 24,420 | ||
| 1994 | 36,255 | — | — | 36,255 | ||
| 1993 | 25,740 | — | — | 25,740 | ||
| 1992 | 66,000 | — | — | 66,000 | ||
| 1991 | 41,500 | — | — | 41,500 | ||
| 1990 | 45,500 | — | — | 45,500 | ||
| 1989 | 52,106 | — | — | 52,106 | ||
| 1988 | 40,900 | 250 | 250 | 41,400 | ||
| 1987 | 50,800 | 250 | — | 51,050 | ||
▎ 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.