Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
ARROWHEAD PRODUCTS CORP
4411 KATELLA AVE, LOS ALAMITOS, CA, 90720
Parent company: SUMMA HOLDINGS INC
Carcinogen
— 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 | Tetrachloroethylene | Methyl ethyl ketone | Toluene | Freon 113 (CFC-113) | 1,1,1-Trichloroethane | Total (lbs) |
| 2024 | — | — | — | — | — | 55 |
| 2023 | — | — | — | — | — | 5 |
| 2018 | — | — | — | — | — | 5 |
| 2017 | — | — | — | — | — | 5 |
| 2016 | — | — | — | — | — | 5 |
| 2015 | — | — | — | — | — | 5 |
| 2012 | — | — | — | — | — | 5 |
| 2011 | — | — | — | — | — | 4 |
| 2010 | — | — | — | — | — | 4 |
| 2009 | — | — | — | — | — | 4 |
| 2008 | — | — | — | — | — | 4 |
| 2007 | — | — | — | — | — | 4 |
| 2006 | — | — | — | — | — | 4 |
| 2005 | — | — | — | — | — | 4 |
| 2004 | — | — | — | — | — | 2 |
| 2003 | — | — | — | — | — | 2 |
| 2002 | — | — | — | — | — | 2 |
| 2000 | — | — | — | — | — | 10 |
| 1999 | 24,805 | — | — | — | — | 24,805 |
| 1998 | 23,900 | — | — | — | — | 23,910 |
| 1997 | 16,900 | — | — | — | — | 16,900 |
| 1996 | 23,790 | — | — | — | — | 23,790 |
| 1995 | 24,800 | — | — | — | — | 24,800 |
| 1994 | 16,000 | — | — | — | — | 16,000 |
| 1993 | 20,110 | — | — | — | — | 20,110 |
| 1992 | 14,944 | — | — | — | — | 14,944 |
| 1991 | 12,654 | — | — | — | — | 12,654 |
| 1990 | 12,250 | 10,750 | 4,200 | 1,800 | 1,998 | 31,615 |
| 1989 | 21,688 | 10,130 | 4,665 | 2,028 | 5,975 | 46,539 |
| 1988 | 21,276 | 7,919 | 4,666 | 8,112 | — | 42,973 |
| 1987 | — | — | 4,752 | 4,914 | — | 10,666 |
▎ 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.