Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
ECO SERVICES OPERATIONS CORP.
100 MOCOCO RD, MARTINEZ, CA, 94553
Parent company: ECOVYST CATALYST TECHNOLOGIES LLC
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 | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Ammonia | Ammonium sulfate (solution) | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Zinc compounds | Total (lbs) |
| 2024 | 2,668 | 3,343 | — | 9 | — | 6,024 |
| 2023 | 3,160 | 3,821 | — | 10 | — | 6,991 |
| 2022 | 9,883 | 3,762 | — | 10 | — | 13,658 |
| 2021 | 2,525 | 3,115 | — | 11 | — | 5,651 |
| 2020 | 3,640 | 2,985 | — | 13 | — | 6,638 |
| 2019 | 2,649 | 2,720 | — | 9 | — | 5,380 |
| 2018 | 4,061 | 2,815 | — | 11 | — | 6,887 |
| 2017 | 3,038 | 2,582 | — | 10 | — | 5,630 |
| 2016 | 6,396 | 2,836 | — | 10 | — | 9,244 |
| 2015 | 5,658 | 3,054 | — | 11 | — | 8,727 |
| 2014 | 3,893 | 3,396 | — | 13 | — | 7,302 |
| 2013 | 4,794 | 2,647 | — | 403 | — | 7,846 |
| 2012 | 1,960 | 2,663 | — | 402 | — | 5,025 |
| 2011 | 4,754 | 2,822 | — | 401 | — | 7,981 |
| 2010 | 4,488 | 2,980 | — | 408 | — | 7,876 |
| 2009 | 4,195 | 2,166 | — | 420 | — | 6,781 |
| 2008 | 3,810 | 2,719 | — | 154 | — | 6,688 |
| 2007 | 9,290 | 2,727 | — | 143 | — | 12,160 |
| 2006 | 13,335 | 2,712 | — | 146 | — | 16,194 |
| 2005 | 2,239 | 2,570 | — | 141 | — | 4,951 |
| 2004 | 6,022 | 2,464 | — | 141 | — | 8,643 |
| 2003 | 6,587 | 2,615 | — | 500 | — | 9,714 |
| 2002 | 6,297 | 2,826 | — | 250 | — | 9,373 |
| 2001 | 5,418 | 2,112 | — | 250 | — | 7,788 |
| 2000 | — | — | — | 250 | — | 252 |
| 1999 | 4,796 | 1,466 | — | 250 | — | 6,512 |
| 1998 | 1,065 | 1,481 | — | 250 | 56 | 2,852 |
| 1997 | 1,307 | 1,464 | — | — | 46 | 2,817 |
| 1996 | 1,717 | 2,637 | — | — | 31 | 4,385 |
| 1995 | 1,514 | 1,894 | — | — | 120 | 3,528 |
| 1994 | 1,480 | 1,256 | — | — | 288 | 3,024 |
| 1993 | 977 | 653 | 4,930 | — | 197 | 6,757 |
| 1992 | 8,673 | 1,049 | 8,954 | — | 812 | 19,488 |
| 1991 | 2,380 | 2,250 | 5,520 | — | 1,306 | 11,456 |
| 1990 | 1,740 | 1,673 | 4,160 | — | — | 7,573 |
| 1989 | 1,380 | 2,110 | 9,400 | — | — | 12,890 |
| 1988 | 1,420 | — | 10,839 | — | — | 12,259 |
| 1987 | — | 25,308 | 12,991 | — | — | 38,299 |
▎ 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.