Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
ERGON ASPHALT & EMULSIONS INC. - CHEYENNE
4511 SOUTH INDUSTRIAL ROAD, CHEYENNE, WY, 82007
Parent company: ERGON 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 | Benzo[g,h,i]perylene | Total |
|---|---|---|---|
| 2019 | 0 | — | 0 |
| 2018 | 0 | — | 0 |
| 2017 | 0 | — | 0 |
| 2016 | 1 | — | 1 |
| 2013 | 0 | — | 0 |
| 2012 | 0 | — | 0 |
| 2011 | 1 | — | 1 |
| 2010 | 159 | 14 | 172 |
| 2009 | 272 | 23 | 296 |