Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
SWAN RD. ASPHALT PLANT
9301 S. SWAN RD., TUCSON, AZ, 85756
Parent company: GRANITE CONSTRUCTION INC
Carcinogen
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 | Polycyclic aromatic compounds | Total |
|---|---|---|
| 2024 | 1,115 | 1,115 |
| 2023 | 1,440 | 1,440 |
| 2022 | 1,686 | 1,686 |
| 2021 | 1,273 | 1,273 |
| 2020 | 19,538 | 19,538 |
| 2019 | 12,108 | 12,108 |
| 2018 | 1,437 | 1,437 |
| 2017 | 507 | 507 |