Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MGC PURE CHEMICALS AMERICA INC
6560 S MOUNTAIN RD, MESA, AZ, 85212
Parent company: NA
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 | Methanol | Ammonia | Total (lbs) | |||
| 2024 | — | 14 | 14 | |||
| 2023 | — | 9 | 9 | |||
| 2022 | — | 14 | 14 | |||
| 2021 | — | 16 | 16 | |||
| 2017 | — | 65 | 65 | |||
| 2016 | — | 65 | 65 | |||
| 2003 | 42 | — | 42 | |||
| 2002 | 138 | — | 138 | |||
| 2001 | 228 | — | 228 | |||
| 2000 | 347 | — | 347 | |||
| 1999 | 287 | — | 287 | |||
| 1998 | 242 | — | 242 | |||
| 1996 | 55 | — | 55 | |||
▎ 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.