Facility detail

WINCHESTER ELECTRONICS

29 HILLSIDE AVE, OAKVILLE, CT, 06779

Parent company: LITTON INDUSTRIES 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 1,1,1-Trichloroethane Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) Nitric acid Copper Total (lbs)
1990 1,000 500 500 500 10 2,510
1989 1,000 500 500 500 500 3,000
1988 500
1987 500 500

▎ 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.