Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
STANDARD MATERIALS GROUP INC. BROKEN ARROW READY MIX
1501 E HOUSTON ST, BROKEN ARROW, OK, 74012
Parent company: CRH AMERICAS INC
Carcinogen
PBT
— 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 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | Lead And Lead Compounds | Lead | Lead compounds | Total (lbs) | |
| 2023 | — | 19 | — | — | 19 | |
| 2022 | — | 18 | — | — | 18 | |
| 2021 | 820 | 20 | — | — | 840 | |
| 2020 | — | 19 | — | — | 19 | |
| 2019 | — | 17 | — | — | 17 | |
| 2014 | — | — | — | 0 | 0 | |
| 2013 | — | — | 0 | — | 0 | |
| 2012 | — | — | 0 | — | 0 | |
| 2011 | — | — | 0 | — | 0 | |
| 2009 | — | — | 0 | — | 0 | |
▎ 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.