Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
NATIONAL REFRACTORIES & MINERALS CORP
1199 N HWY 19, WELLSVILLE, MO, 633840071
Parent company: NATIONAL REFRACTORIES & MINERALS CORP
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 | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Ethylene glycol | Phenol | Total (lbs) |
| 1997 | — | — | — | 505 | — | 505 |
| 1994 | — | 505 | 15 | — | 15 | 535 |
| 1993 | — | 2,245 | 755 | — | — | 3,000 |
| 1992 | — | 265 | 750 | — | — | 1,015 |
| 1991 | — | 260 | — | — | — | 260 |
| 1990 | — | 255 | 1,000 | — | — | 1,255 |
| 1989 | — | 3,252 | 2,900 | — | — | 6,152 |
| 1988 | 231,803 | 5,202 | — | — | — | 237,005 |
| 1987 | — | 41 | — | — | — | 41 |
▎ 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.