Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
NATIONAL PRECISION CIRCUITS & ELECTRONICS INC
612 LAMONT RD, ELMHURST, IL, 60126
Parent company: NA
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 | Ammonia | Copper | Antimony | Total (lbs) | ||
| 2001 | 416 | 11 | — | 427 | ||
| 2000 | 387 | 24 | — | 411 | ||
| 1999 | 1,483 | 26 | — | 1,509 | ||
| 1998 | — | 17 | — | 17 | ||
| 1997 | — | 762 | 3 | 765 | ||
▎ 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.