Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
94 CALVARY ST, WALTHAM, MA, 02453
Parent company: NA
Reported on-site TRI releases in pounds, grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases across all available years.
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| Year | Trichloroethylene | 1,1,1-Trichloroethane | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Nitric acid | Total |
|---|---|---|---|---|---|
| 2024 | — | — | — | 20 | 20 |
| 2023 | — | — | — | 20 | 20 |
| 2022 | — | — | — | 10 | 10 |
| 2009 | — | — | — | 20 | 20 |
| 2008 | — | — | — | 10 | 10 |
| 2007 | — | — | — | 10 | 10 |
| 2006 | — | — | — | 10 | 10 |
| 2005 | — | — | — | 10 | 10 |
| 2004 | — | — | — | 10 | 10 |
| 2003 | — | — | — | 10 | 10 |
| 2002 | — | — | — | 10 | 10 |
| 1997 | 9,855 | — | — | — | 9,855 |
| 1996 | 10,260 | — | 500 | — | 10,760 |
| 1995 | 10,260 | — | 500 | — | 10,760 |
| 1994 | 10,300 | — | 500 | — | 10,800 |
| 1993 | — | — | 500 | — | 500 |
| 1992 | — | — | 593 | — | 593 |
| 1991 | — | — | 625 | 764 | 1,389 |
| 1990 | — | 8,400 | 346 | 507 | 9,253 |