Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
HELENA SAND & GRAVEL DBA MONTANA MATERIALS & CONST
182 ABC DR, ANACONDA, MT, 59711
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 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.
| Year | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | Lead And Lead Compounds | Total |
|---|---|---|---|
| 2023 | 1,480 | 11 | 1,491 |