Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
NATIONAL TECHNOLOGY INC
130 MARTIN LN, ELK GROVE VILLAGE, IL, 60007
Parent company: NA
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases 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.
| Year | Ammonia | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Copper compounds | Total |
|---|---|---|---|---|
| 1993 | — | 500 | 250 | 750 |
| 1992 | 1,750 | 500 | 250 | 2,500 |
| 1991 | 1,550 | 500 | 250 | 2,300 |
| 1990 | 500 | 255 | — | 755 |
| 1989 | 500 | 500 | — | 1,000 |