Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
CLAREMONT FOUNDRY INC
GRISSOM LN, CLAREMONT, NH, 03743
Parent company: ATCHISON CASTING CORP
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 | Propylene | Aluminum oxide (fibrous forms) | Manganese | Nickel | Phenol | Total (lbs) |
| 1996 | 250 | — | 250 | 250 | 250 | 1,000 |
| 1994 | — | — | — | — | — | 250 |
| 1993 | 250 | — | 250 | 250 | 250 | 1,250 |
| 1992 | 1,098 | — | 250 | 250 | 250 | 2,098 |
| 1991 | 1,130 | — | 250 | 250 | 250 | 1,880 |
| 1990 | 1,250 | — | 94 | 83 | 35 | 1,519 |
| 1989 | 1,035 | — | — | — | 24 | 1,059 |
| 1988 | 820 | — | — | — | — | 820 |
| 1987 | — | 1,500 | — | — | — | 1,500 |
▎ 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.