Facility detail

US DOE BRYAN MOUND SPR SITE

COUNTY RD 242A, FREEPORT, TX, 77541

Parent company: US DEPARTMENT OF ENERGY

Carcinogen — EPA classifications across all reporting years

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 n-Hexane Benzene Ethylbenzene Total (lbs)
2022 302 25 4 331
2021 387 32 5 424
2020 1,721 142 22 1,885
2019 1,367 113 — 1,480
2018 1,537 127 — 1,664
2017 205 17 — 222
2011 1,408 116 — 1,524
2005 330 28 — 358
2004 580 — — 580
2000 4,903 73 — 4,976
1999 46,835 942 — 47,777
1996 55 2 — 57

▎ 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.