Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MI METALS INC - PRESCOTT
7555 E STATE RT 69 SUITE B, PRESCOTT VALLEY, AZ, 86314
Parent company: J T WALKER INDUSTRIES INC
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 | Toluene | Xylene (mixed isomers) | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Sodium hydroxide (solution) | Total (lbs) |
| 1995 | — | — | 7,909 | 250 | — | 8,159 |
| 1994 | — | 9,731 | 19,595 | — | — | 29,326 |
| 1993 | — | 9,962 | 18,520 | — | — | 28,482 |
| 1992 | 28,500 | 16,580 | — | — | — | 45,080 |
| 1991 | 30,000 | 19,536 | — | — | — | 49,536 |
| 1990 | 31,000 | 6,000 | 6,200 | 100 | — | 43,300 |
| 1989 | — | 9,360 | — | 65 | — | 9,460 |
| 1988 | — | 4,374 | — | 65 | 62 | 4,501 |
▎ 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.