Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
CHEVRON MINING INC
354 STATE HWY 38, QUESTA, NM, 87556
Parent company: CHEVRON CORP
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 | Copper compounds | Total (lbs) | |||
| 2014 | 1,006 | — | 1,006 | |||
| 2013 | 66,612 | 33,306 | 99,917 | |||
| 2012 | 16,728 | — | 16,728 | |||
| 2011 | 47,432 | 23,716 | 71,148 | |||
| 2010 | 64,007 | — | 64,007 | |||
▎ 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.