Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MATERION NATURAL RESOURCES MINE
47 MI NW OF DELTA ON HWY 174, DELTA, UT, 84624
Parent company: MATERION CORP
Carcinogen
PBT
— 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 | Lead compounds | Lead And Lead Compounds | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | Beryllium compounds | Lead | Total (lbs) |
| 2024 | — | 119,512 | — | — | — | 119,512 |
| 2023 | — | 94,385 | — | — | — | 94,385 |
| 2020 | — | 80,252 | — | — | — | 80,252 |
| 2018 | — | — | — | — | 256 | 256 |
| 2016 | 71,430 | — | — | — | — | 71,430 |
| 2015 | 215,710 | — | 36,820 | — | — | 252,530 |
| 2013 | 61,925 | — | — | — | — | 61,925 |
| 2010 | 121,291 | — | — | — | — | 121,291 |
| 2001 | 6 | — | — | 76 | — | 82 |
| 2000 | — | — | — | 123 | — | 123 |
| 1999 | — | — | — | 230 | — | 230 |
| 1998 | — | — | — | 184 | — | 184 |
▎ 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.