Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
CIRCUIT SYSTEMS INC
2350 E LUNT AVE, ELK GROVE VILLAGE, IL, 60007
Parent company: NA
Carcinogen
PBT
— EPA classifications across all reporting years
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 | Certain glycol ethers | Ammonia | Nitric acid | Formaldehyde | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total (lbs) |
| 2000 | 23,200 | 500 | 500 | — | — | 24,460 |
| 1999 | 15,750 | 500 | 500 | — | — | 17,010 |
| 1998 | 8,150 | 500 | 500 | — | — | 9,410 |
| 1997 | 4,650 | 500 | 500 | — | — | 5,910 |
| 1996 | — | 131 | 410 | — | — | 801 |
| 1995 | 5,450 | 1,000 | 500 | — | — | 6,965 |
| 1994 | — | 3,100 | 1,650 | — | 500 | 5,265 |
| 1993 | — | 3,500 | — | — | 500 | 4,015 |
| 1992 | — | 13,000 | — | 750 | — | 13,755 |
| 1991 | — | 1,200 | — | 750 | 250 | 2,455 |
| 1990 | — | 1,500 | — | 750 | 250 | 2,755 |
| 1989 | — | 4,200 | — | 1,600 | 250 | 6,050 |
| 1988 | — | 2,700 | — | — | — | 2,950 |
▎ 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.