Facility detail

AMERCHOL CORP

628 WAVERLY AVE, MAMARONECK, NY, 10543

Parent company: UNION CARBIDE CORP

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 Methyl ethyl ketone Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) Sodium hydroxide (solution) Total (lbs)
1992 29,900 29,900
1991 42,300 61 42,361
1990 55,300 61 55,361
1989 72,300 61 72,361
1988 61,300 30 61,330

▎ 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.