Facility detail

NUNC INC

2000 N AURORA RD, NAPERVILLE, IL, 605631796

Parent company: BTR INC

Carcinogen — EPA classifications across all reporting years

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 Dichlorodifluoromethane (CFC-12) Ethylene oxide Total (lbs)
1992 48,690 48,690
1991 41,600 41,600
1989 3,554 3,554
1988 11,700 11,700

▎ 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.