Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
NORTH AMERICAN REFRACTORIES CO
2201 MICHIGAN BAR RD, 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 | Aluminum oxide (fibrous forms) | Phosphoric acid | Total (lbs) | |||
| 1996 | — | 250 | 250 | |||
| 1995 | — | 250 | 250 | |||
| 1994 | — | 250 | 250 | |||
| 1993 | — | 250 | 250 | |||
| 1992 | — | 750 | 750 | |||
| 1991 | — | 250 | 250 | |||
| 1990 | — | 461 | 461 | |||
| 1989 | — | 491 | 491 | |||
| 1988 | 80,488 | 800 | 81,288 | |||
| 1987 | 8,915 | — | 8,915 | |||
▎ 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.