Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
CSBIO
20 KELLY CT, MENLO PARK, CA, 94025
Parent company: NA
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 | Acetonitrile | Dichloromethane | Total (lbs) | ||
| 2024 | 0 | 1 | — | 1 | ||
| 2023 | 1 | 5 | — | 6 | ||
| 2022 | 4 | 14 | — | 18 | ||
| 2021 | 17 | 61 | — | 77 | ||
| 2020 | 3 | 5 | 50 | 58 | ||
| 2019 | 4 | 61 | 127 | 192 | ||
| 2018 | 4 | 7 | 115 | 126 | ||
| 2017 | 1 | 286 | 103 | 390 | ||
| 2016 | 7,929 | 500 | 500 | 8,929 | ||
| 2015 | 500 | 255 | 255 | 1,010 | ||
| 2014 | — | 1,000 | — | 1,000 | ||
▎ 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.