Facility detail

ANALOG DEVICES INC ASSEMBLED PRODS DIV

30 PERWAL ST, WESTWOOD, MA, 02090

Parent company: ANALOG DEVICES INC

Year-over-year total releases

Reported on-site TRI releases in pounds (lbs), grouped by reporting year.

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 Freon 113 (CFC-113) 1,1,1-Trichloroethane 1,1-Dichloro-1-fluoroethane (HCFC-141b) Total (lbs)
1995 13,364 5,313 18,677
1994 10,190 4,836 15,026
1992 28,606 13,660 42,266
1991 32,000 25,000 57,000
1990 27,000 16,900 43,900
1989 28,250 10,000 38,250
1988 11,000 11,000

▎ 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.