Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
STANDARD-THOMSON CORPROATION
152 GROVE ST, WALTHAM, MA, 02454
Parent company: NA
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 | Chromium | Copper | Total (lbs) | ||
| 2000 | — | 750 | — | 750 | ||
| 1993 | 8,050 | — | — | 8,050 | ||
| 1992 | 22,420 | — | 10 | 22,430 | ||
| 1991 | 25,200 | — | — | 25,200 | ||
| 1990 | 7,920 | — | — | 7,920 | ||
| 1989 | 9,900 | — | — | 9,900 | ||
▎ 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.