Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
WESTLAKE ROYAL ROOFING - CORONA
909 RAILROAD ST, CORONA, CA, 92882
Parent company: WESTLAKE 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 | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | Manganese compounds | Barium | Lead | Total (lbs) |
| 2024 | — | — | — | — | 6 | 17 |
| 2023 | — | — | — | — | 6 | 16 |
| 2022 | — | — | — | — | 5 | 13 |
| 2021 | — | — | — | — | 5 | 7 |
| 2020 | — | — | — | — | 5 | 14 |
| 2019 | — | — | — | — | 8 | 13 |
| 2018 | — | — | — | — | 7 | 17 |
| 2017 | — | — | — | — | 8 | 14 |
| 2016 | 25,811 | — | — | — | 9 | 25,825 |
| 2015 | — | — | — | — | 7 | 9 |
| 2014 | — | — | — | — | 6 | 8 |
| 2013 | — | — | — | — | 6 | 8 |
| 2012 | — | — | — | — | 6 | 15 |
| 2011 | — | — | — | — | 7 | 17 |
| 2010 | — | — | — | — | 5 | 15 |
| 2009 | — | — | — | — | 5 | 14 |
| 2008 | — | — | — | 250 | 7 | 271 |
| 2007 | — | — | — | 199 | 14 | 240 |
| 2006 | — | 46 | 31 | — | 17 | 94 |
| 2005 | — | 982 | 33 | — | 15 | 1,030 |
| 2004 | — | 1,660 | 38 | — | — | 1,698 |
| 2003 | — | — | 32 | — | — | 32 |
| 2002 | — | 750 | 279 | — | — | 1,029 |
| 2001 | — | 750 | 28 | — | — | 778 |
| 2000 | — | 560 | 21 | — | — | 581 |
| 1999 | — | 860 | 31 | — | — | 891 |
▎ 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.