Facility detail

TMS INTERNATIONAL LLC

100 STEEL MILL RD, SEGUIN, TX, 78155

Parent company: TMS INTERNATIONAL CORP

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 Manganese compounds Manganese And Manganese Compounds Total (lbs)
2024 — 13 13
2023 — 13 13
2022 9 — 9
2021 9 — 9
2020 15 — 15
2019 13 — 13
2018 15 — 15
2017 16 — 16
2016 15 — 15
2015 23 — 23
2014 17 — 17
2013 20 — 20
2012 19 — 19
2011 20 — 20
2010 20 — 20
2009 16 — 16
2008 13 — 13
2007 14 — 14
2006 17 — 17

▎ 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.