Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
WESTLAKE ROYAL ROOFING - LATHROP
342 ROTH RD, LATHROP, CA, 95330
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 | Certain glycol ethers | Lead | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Mercury | Total (lbs) | |
| 2013 | — | 0 | — | — | 0 | |
| 2012 | — | 1 | — | — | 1 | |
| 2011 | — | 1 | — | — | 1 | |
| 2010 | — | 1 | — | — | 1 | |
| 2009 | — | 1 | — | — | 1 | |
| 2008 | — | 1 | — | — | 1 | |
| 2007 | — | 5 | — | — | 5 | |
| 2006 | — | 7 | — | — | 7 | |
| 2005 | — | 12 | 5 | — | 17 | |
| 2004 | — | 13 | — | 0 | 13 | |
| 2003 | — | 13 | — | 0 | 13 | |
| 2002 | — | 10 | — | — | 10 | |
| 2001 | — | 13 | — | — | 13 | |
| 1998 | 27,000 | — | — | — | 27,000 | |
| 1997 | 17,000 | — | — | — | 17,000 | |
| 1996 | 29,800 | — | — | — | 29,800 | |
| 1995 | 24,100 | — | — | — | 24,100 | |
| 1994 | 14,400 | — | — | — | 14,400 | |
| 1993 | 12,000 | — | — | — | 12,000 | |
▎ 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.