Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
VERSUM MATERIALS US LLC
1969 PALOMAR OAKS WAY, CARLSBAD, CA, 92011
Parent company: EMD GROUP HOLDING INC.
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 | 1,1,1-Trichloroethane | 1,2-Dichloroethylene | Total (lbs) | |||
| 2024 | — | 12 | 12 | |||
| 2023 | — | 12 | 12 | |||
| 2022 | — | 15 | 15 | |||
| 2021 | — | 15 | 15 | |||
| 2020 | — | 10 | 10 | |||
| 2019 | — | 15 | 15 | |||
| 2018 | — | 16 | 16 | |||
| 2017 | — | 16 | 16 | |||
| 2016 | — | 15 | 15 | |||
| 2015 | — | 16 | 16 | |||
| 2014 | — | 18 | 18 | |||
| 2013 | — | 18 | 18 | |||
| 2012 | — | 18 | 18 | |||
| 2011 | — | 19 | 19 | |||
| 2010 | — | 21 | 21 | |||
| 2009 | — | 20 | 20 | |||
| 2008 | — | 19 | 19 | |||
| 2007 | — | 31 | 31 | |||
| 2006 | — | 36 | 36 | |||
| 2005 | — | 36 | 36 | |||
| 2004 | — | 36 | 36 | |||
| 2003 | — | 250 | 250 | |||
| 2002 | — | 1 | 1 | |||
| 2000 | — | 250 | 250 | |||
| 1999 | — | 5 | 5 | |||
| 1998 | — | 5 | 5 | |||
| 1997 | 5 | 5 | 10 | |||
| 1996 | — | 250 | 250 | |||
| 1993 | 255 | — | 255 | |||
| 1992 | 255 | — | 255 | |||
| 1991 | 500 | — | 500 | |||
| 1990 | 272 | — | 272 | |||
| 1989 | 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.