Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
3600 N W ST, WICHITA, KS, 67205
Parent company: SUMMIT MATERIALS LLC
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) across all available years.
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 | Polycyclic aromatic compounds | Lead compounds | Mercury compounds | Total (lbs) | ||
| 2021 | 19 | — | — | 19 | ||
| 2020 | 14 | — | — | 14 | ||
| 2019 | 12 | — | — | 12 | ||
| 2006 | — | 2 | 0 | 2 | ||
▎ 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.