Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
AMERICAN CHEMICAL & REFINING CO INC
36 SHEFFIELD ST, WATERBURY, CT, 06704
Parent company: HANDY & HARMAN
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 | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Cyanide compounds | Mixture | Silver compounds | Total (lbs) |
| 1991 | 12,375 | 250 | — | 10 | — | 12,640 |
| 1990 | 10,400 | 250 | 10 | — | 2 | 10,662 |
| 1989 | 12,569 | 250 | 8 | — | 2 | 12,829 |
| 1988 | 17,316 | — | 8 | — | 2 | 17,326 |
| 1987 | — | — | — | — | 2 | 2 |
▎ 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.