Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
IOWA STATE READY MIX
1109 E LINCOLN WAY, AMES, IA, 50010
Parent company: RASMUSSEN GROUP
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 | Lead | Total (lbs) | ||||
| 2024 | 603 | 603 | ||||
| 2023 | 646 | 646 | ||||
| 2022 | 693 | 693 | ||||
| 2021 | 652 | 652 | ||||
| 2020 | 779 | 779 | ||||
| 2019 | 813 | 813 | ||||
| 2018 | 654 | 654 | ||||
| 2017 | 799 | 799 | ||||
| 2016 | 972 | 972 | ||||
| 2015 | 30 | 30 | ||||
| 2014 | 23 | 23 | ||||
| 2013 | 22 | 22 | ||||
▎ 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.