Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
OLDCASTLE SW GROUP INC (DBA UNITED COS)READY MIX
2273 RIVER RD, GRAND JUNCTION, CO, 81503
Parent company: OLDCASTLE 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) | Polycyclic aromatic compounds | Lead | Benzo[g,h,i]perylene | Total (lbs) | |
| 2009 | — | 18 | — | 0 | 18 | |
| 2008 | — | 0 | 7 | 0 | 7 | |
| 2007 | 1,010 | 0 | 8 | 0 | 1,019 | |
▎ 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.