Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
NI INDUSTRIES INC NORRIS DIV
5215 S BOYLE AVE, VERNON, CA, 90058
Parent company: MASCOTECH INC
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 | 1,1,1-Trichloroethane | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Chlorine | Nitric acid | Sodium hydroxide (solution) | Total (lbs) |
| 1995 | — | — | — | 15 | — | 158 |
| 1994 | — | 1,346 | 256 | 33 | — | 2,060 |
| 1993 | 7,835 | 1,700 | 1,564 | 89 | — | 11,756 |
| 1992 | 14,674 | 2,100 | 1,641 | 75 | — | 19,054 |
| 1991 | 40,335 | 3,400 | 564 | 52 | — | 44,528 |
| 1990 | 17,980 | 8,130 | 860 | 430 | — | 28,330 |
| 1989 | 46,510 | 2,430 | 2,700 | 880 | — | 54,198 |
| 1988 | 53,130 | — | — | 1,030 | — | 55,810 |
| 1987 | — | — | — | 930 | 3,000 | 4,033 |
▎ 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.