Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
CARBIDE GRAPHITE GROUP INC
4861 PACKARD RD, NIAGARA FALLS, NY, 143041509
Parent company: CARBIDE/GRAPHITE GROUP INC
Carcinogen
PBT
— 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 | Ethylene glycol | Copper | Chlorine | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Polycyclic aromatic compounds | Total (lbs) |
| 2001 | — | — | — | — | 72 | 72 |
| 2000 | — | 250 | — | — | 72 | 322 |
| 1999 | — | 250 | — | — | 112 | 362 |
| 1998 | — | 250 | — | — | 152 | 402 |
| 1997 | — | 250 | 9 | 66 | 152 | 477 |
| 1996 | — | 250 | 3 | 87 | 142 | 482 |
| 1995 | — | 250 | 25 | 79 | 130 | 484 |
| 1994 | 22,680 | 250 | 6 | 79 | — | 23,015 |
| 1993 | 20,760 | 250 | 3 | 75 | — | 21,088 |
| 1992 | 14,532 | 250 | 233 | 67 | — | 15,082 |
| 1991 | 14,532 | 250 | 243 | 72 | — | 15,097 |
| 1990 | 14,080 | 250 | 500 | 500 | — | 15,330 |
| 1989 | 15,840 | 250 | 500 | 500 | — | 17,090 |
| 1988 | 8,800 | — | 500 | — | — | 9,300 |
| 1987 | 29,920 | 250 | 500 | — | — | 30,670 |
▎ 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.