Facility detail

PATHEON BIOLOGICS

4766 LAGUARDIA DR, SAINT LOUIS, MO, 63134

Parent company: THERMO FISHER SCIENTIFIC INC

Year-over-year total releases

Reported on-site TRI releases in pounds (lbs), grouped by reporting year.

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 Ethylene glycol Ammonia Total (lbs)
2024 502 502
2023 750 250 1,000
2022 659 312 971
2021 1,175 244 1,419
2020 1,456 1,456
2019 545 545
2018 192 192
2017 496 157 653
2016 281 281
2015 382 382
2014 112 112

▎ 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.