Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MERSEN USA NEWBURYPORT MA LLC
374 MERRIMAC ST, NEWBURYPORT, MA, 019501930
Parent company: MERSEN N.A.
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 | Styrene | Copper | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Ammonia | Total (lbs) |
| 2005 | — | — | 0 | — | — | 0 |
| 2004 | — | — | 0 | — | 42 | 42 |
| 2003 | — | — | 1 | — | 68 | 69 |
| 2002 | — | — | 2 | — | 58 | 60 |
| 2001 | — | — | 2 | — | — | 2 |
| 2000 | — | 1,386 | 2 | — | — | 1,388 |
| 1999 | — | 1,480 | 2 | — | — | 1,482 |
| 1998 | — | 1,450 | 2 | — | — | 1,452 |
| 1997 | — | 3,700 | 1 | — | — | 3,701 |
| 1996 | 18,700 | 2,547 | 2 | — | — | 21,249 |
| 1995 | 13,400 | — | 2 | — | — | 13,402 |
| 1994 | 14,000 | — | 20 | — | — | 14,020 |
| 1993 | 19,000 | — | 250 | — | — | 19,250 |
| 1992 | 23,000 | — | 21 | 35 | — | 23,056 |
| 1991 | 5,500 | — | 25 | 45 | — | 5,570 |
| 1990 | 9,700 | — | 50 | 95 | — | 9,845 |
| 1989 | 17,000 | — | 1,030 | 160 | — | 18,299 |
| 1988 | — | — | — | 160 | — | 160 |
▎ 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.