Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
CHEMELEX LLC
2555 BAY RD, REDWOOD CITY, CA, 94063
Parent company: NA
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 | Methyl ethyl ketone | Decabromodiphenyl oxide | Zinc compounds | Antimony compounds | Antimony And Antimony Compounds | Total (lbs) |
| 2024 | — | 1 | 1 | — | 1 | 3 |
| 2023 | — | 5 | 174 | 1 | — | 180 |
| 2022 | — | 1 | 1 | 1 | — | 3 |
| 2021 | — | 1 | 1 | 1 | — | 3 |
| 2020 | — | 1 | 1 | 1 | — | 3 |
| 2019 | — | 1 | 1 | 1 | — | 3 |
| 2018 | — | 1 | 1 | — | 1 | 3 |
| 2017 | — | 1 | 1 | 1 | — | 3 |
| 2016 | — | 1 | 1 | 1 | — | 3 |
| 2015 | — | 1 | 1 | 1 | — | 3 |
| 2014 | — | 1 | 1 | 1 | — | 3 |
| 2013 | — | 1 | 1 | 1 | — | 3 |
| 2012 | — | 1 | 1 | 1 | — | 3 |
| 2011 | — | 1 | 1 | 1 | — | 3 |
| 2005 | — | 250 | 5 | 5 | — | 260 |
| 2004 | — | 250 | 5 | 5 | — | 260 |
| 2003 | — | 250 | 5 | 5 | — | 260 |
| 2002 | 11,250 | 250 | 255 | 5 | — | 11,760 |
| 2001 | — | 250 | 255 | 5 | — | 510 |
| 2000 | — | 41 | 257 | 3 | — | 301 |
| 1999 | — | 250 | 500 | 5 | — | 755 |
| 1998 | — | 250 | 250 | 5 | — | 505 |
| 1997 | 13,049 | 250 | 15 | — | — | 13,314 |
| 1996 | 11,356 | 250 | 250 | 5 | — | 11,861 |
| 1995 | 12,456 | 250 | 250 | 5 | — | 12,961 |
| 1994 | 13,889 | 250 | 5 | 5 | — | 14,149 |
| 1993 | 16,314 | 250 | 5 | 5 | — | 16,574 |
| 1992 | 11,698 | 250 | 250 | 250 | — | 12,448 |
| 1991 | 8,179 | 250 | 250 | 250 | — | 8,929 |
▎ 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.