Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
NU-TECH PRECISION METALS LP
1875 THOMASTON AVE, WATERBURY, CT, 06704
Parent company: NA
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 | Copper | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Sodium hydroxide (solution) | Total (lbs) | |
| 1994 | 2,941 | 255 | — | — | 3,196 | |
| 1993 | 2,941 | 260 | — | — | 3,201 | |
| 1992 | 255 | 260 | — | — | 515 | |
| 1991 | 2,100 | 260 | — | — | 2,360 | |
| 1990 | 3,600 | 505 | — | — | 4,105 | |
| 1989 | 8,450 | 750 | — | — | 9,200 | |
| 1988 | 3,600 | — | 250 | 250 | 4,100 | |
| 1987 | 2,275 | — | — | — | 2,275 | |
▎ 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.