Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
AG COMMUNICATION SYSTEMS CORP
400 N WOLF RD, NORTHLAKE, IL, 60164
Parent company: AT&T CORP
Carcinogen
— 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 | Freon 113 (CFC-113) | 1,1,1-Trichloroethane | Dichloromethane | Certain glycol ethers | Trichloroethylene | Total (lbs) |
| 1994 | — | — | — | — | — | 2,310 |
| 1992 | 109,000 | 25,600 | — | — | — | 134,610 |
| 1991 | 111,450 | 44,625 | 22,375 | 6,035 | 17,000 | 221,480 |
| 1990 | 173,000 | 123,970 | 38,560 | 17,240 | 14,600 | 400,070 |
| 1989 | 173,000 | 111,820 | 67,770 | 28,300 | 14,000 | 430,990 |
| 1988 | — | 117,700 | 75,400 | 29,300 | 22,700 | 258,700 |
| 1987 | — | — | — | — | — | 52,050 |
▎ 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.