Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
NORTH AMERICAN REFRACTORIES CO IONE PLANT
8631 STATE HWY 124, IONE, CA, 95640
Parent company: NORTH AMERICAN REFRACTORIES CO
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 | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Chlorine | Total (lbs) | |||
| 1995 | 5 | — | 5 | |||
| 1994 | 250 | — | 250 | |||
| 1993 | 3,000 | — | 3,000 | |||
| 1992 | 3,000 | — | 3,000 | |||
| 1991 | 3,100 | — | 3,100 | |||
| 1990 | 5,750 | 250 | 6,000 | |||
| 1989 | 8,250 | — | 8,250 | |||
| 1988 | 8,250 | — | 8,250 | |||
▎ 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.