Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
LGC BIOSEARCH TECHNOLOGIES INC
2199 S MCDOWELL BLVD EXT, PETALUMA, CA, 94954
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 | Dichloromethane | Acetonitrile | Methanol | Acrylonitrile | Toluene | Total (lbs) |
| 2024 | 4,275 | 961 | 1,082 | — | 10 | 6,328 |
| 2023 | 16,946 | 6,630 | 1,180 | — | 419 | 25,175 |
| 2022 | 9,191 | 3,788 | 1,346 | — | 164 | 14,510 |
| 2021 | 2,677 | 1,035 | 1,742 | — | 1 | 5,455 |
| 2020 | 9,230 | 1,157 | 1,257 | — | 20 | 11,684 |
| 2019 | 5,503 | — | 939 | 583 | 107 | 7,132 |
| 2018 | 4,326 | — | 410 | 683 | — | 5,419 |
| 2017 | 4,502 | — | 429 | 516 | — | 5,447 |
| 2016 | 4,300 | 382 | 356 | — | — | 5,052 |
▎ 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.