Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
IDAHO ASPHALT SUPPLY INC NAMPA PLANT
800 N SUGAR AVE, NAMPA, ID, 83687
Parent company: NA
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 | Naphthalene | Total |
|---|---|---|---|
| 2024 | 0 | — | 0 |
| 2023 | 3 | 1 | 4 |
| 2022 | 3 | 1 | 3 |
| 2021 | 3 | 1 | 4 |
| 2020 | 4 | 1 | 4 |
| 2019 | 3 | 1 | 4 |
| 2018 | 4 | 1 | 4 |
| 2017 | 3 | 1 | 4 |
| 2016 | 3 | — | 3 |
| 2015 | 3 | 0 | 3 |
| 2014 | 3 | — | 3 |
| 2013 | 2 | — | 2 |
| 2012 | 2 | — | 2 |
| 2011 | 3 | — | 3 |
| 2010 | 3 | — | 3 |
| 2009 | 3 | — | 3 |
| 2008 | 3 | — | 3 |
| 2005 | 4 | 1 | 4 |