Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
ISOLA
3233 DWIGHT RD, ELK GROVE, CA, 95758
Parent company: TEXAS PACIFIC GROUP
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 | N,N-Dimethylformamide | Methanol | Methyl ethyl ketone | Copper | Total (lbs) | |
| 2016 | 500 | 255 | — | — | 755 | |
| 2015 | 500 | 255 | — | — | 755 | |
| 2014 | 750 | 255 | — | — | 1,005 | |
| 2013 | 750 | 250 | — | — | 1,000 | |
| 2012 | 755 | 500 | — | — | 1,255 | |
| 2011 | 569 | 43 | — | — | 612 | |
| 2010 | 511 | 41 | — | — | 552 | |
| 2009 | 430 | 147 | — | — | 577 | |
| 2008 | 740 | 263 | — | — | 1,003 | |
| 2007 | 2,221 | 177 | — | — | 2,398 | |
| 2006 | 1,244 | 376 | — | — | 1,620 | |
| 2005 | 710 | 317 | — | 291 | 1,318 | |
| 2004 | 519 | 222 | — | 220 | 961 | |
| 2003 | 1,072 | 245 | — | — | 1,317 | |
| 2002 | 679 | — | 404 | — | 1,083 | |
| 2001 | 473 | — | 655 | — | 1,128 | |
| 2000 | 1,587 | 322 | 754 | — | 2,663 | |
| 1999 | 499 | — | — | — | 499 | |
▎ 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.