Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
DUCKBACK PRODUCTS
2644 HEGAN LN, CHICO, CA, 95928
Parent company: COMEX GROUP
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 | 3-Iodo-2-propynyl butylcarbamate | Total (lbs) | |||
| 2012 | 657 | — | 657 | |||
| 2011 | 837 | — | 837 | |||
| 2010 | 1,121 | — | 1,121 | |||
| 2009 | 596 | — | 596 | |||
| 2008 | 1,135 | — | 1,135 | |||
| 2007 | 1,052 | — | 1,052 | |||
| 2006 | 992 | — | 992 | |||
| 2005 | 834 | 261 | 1,095 | |||
| 2004 | 750 | — | 750 | |||
| 2003 | 250 | — | 250 | |||
| 2002 | 250 | — | 250 | |||
▎ 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.