Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
IRVINE PLANT 21
16081 CONSTRUCTION CIRCLE WEST, IRVINE, CA, 92714
Parent company: MCC DEVELOPMENT 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 | Total (lbs) | ||||
| 2024 | 6 | 6 | ||||
| 2023 | 7 | 7 | ||||
| 2022 | 7 | 7 | ||||
| 2021 | 7 | 7 | ||||
| 2020 | 8 | 8 | ||||
| 2019 | 10 | 10 | ||||
| 2018 | 12 | 12 | ||||
| 2017 | 16 | 16 | ||||
| 2016 | 15 | 15 | ||||
| 2015 | 13 | 13 | ||||
| 2014 | 13 | 13 | ||||
| 2013 | 14 | 14 | ||||
| 2012 | 14 | 14 | ||||
| 2011 | 13 | 13 | ||||
| 2010 | 8 | 8 | ||||
| 2009 | 8 | 8 | ||||
▎ 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.