Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
TEXAS INSTRUMENTS
7 CONTINENTAL BLVD, MERRIMACK, NH, 030544334
Parent company: TEXAS INSTRUMENTS INC
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 | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Hydrogen fluoride | Phosphoric acid | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Sodium hydroxide (solution) | Total (lbs) |
| 2000 | — | 5 | — | — | — | 5 |
| 1999 | — | 5 | — | — | — | 5 |
| 1998 | — | 5 | 5 | — | — | 10 |
| 1997 | — | 5 | 5 | — | — | 10 |
| 1996 | 250 | 250 | 250 | — | — | 750 |
| 1995 | 250 | 250 | 250 | 5 | — | 755 |
| 1994 | 250 | 250 | 250 | 5 | — | 755 |
| 1993 | 750 | 750 | 750 | 250 | — | 2,500 |
| 1992 | 250 | 250 | 5 | — | — | 505 |
| 1991 | 250 | 250 | 5 | — | — | 505 |
| 1990 | 250 | 250 | 250 | 250 | — | 1,000 |
| 1989 | 250 | 250 | 250 | 250 | — | 1,000 |
| 1988 | 250 | — | — | — | 250 | 500 |
| 1987 | — | — | — | — | 250 | 250 |
▎ 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.