Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
AMERICAN ROCK PRODUCTS HANFORD
2090 ROBERSTON DR, RICHLAND, WA, 99354
Parent company: CRH AMERICAS INC
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 compounds | Total (lbs) | ||
| 2024 | 1,052 | 17 | — | 1,069 | ||
| 2023 | 1,510 | 87 | — | 1,597 | ||
| 2022 | 1,964 | 24 | — | 1,988 | ||
| 2021 | 944 | 22 | — | 966 | ||
| 2020 | 1,831 | 53 | — | 1,884 | ||
| 2019 | 2,215 | 61 | — | 2,276 | ||
| 2018 | 2,173 | — | 101 | 2,274 | ||
▎ 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.