Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
MOUNTAIN CEMENT CO
5 SAND CREEK RD, LARAMIE, WY, 82070
Parent company: EAGLE MATERIALS 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 | Formaldehyde | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Hydrogen cyanide | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Total |
|---|---|---|---|---|---|---|
| 2024 | — | — | 38,000 | — | — | 38,539 |
| 2023 | — | — | — | 536 | 122 | 835 |
| 2022 | — | — | — | 519 | 119 | 810 |
| 2021 | — | — | — | — | — | 1,441 |
| 2020 | — | — | — | 458 | 118 | 726 |
| 2019 | — | — | — | 434 | 111 | 689 |
| 2018 | — | — | — | — | — | 269 |
| 2017 | — | — | — | — | 119 | 274 |
| 2016 | — | — | — | — | 115 | 823 |
| 2015 | — | — | — | 470 | 120 | 747 |
| 2014 | — | — | — | 350 | 180 | 632 |
| 2013 | — | — | — | 350 | 187 | 643 |
| 2012 | — | — | — | 500 | 500 | 1,102 |
| 2011 | — | — | — | 500 | 500 | 1,163 |
| 2010 | 58,953 | — | — | 500 | 500 | 60,125 |
| 2009 | 60,732 | — | — | 500 | 500 | 61,909 |
| 2008 | 65,283 | — | — | 500 | 500 | 66,473 |
| 2007 | 66,137 | — | — | 275 | 36 | 66,634 |
| 2006 | 64,356 | — | — | 273 | 36 | 64,856 |
| 2005 | 63,558 | — | — | — | 181 | 64,123 |
| 2004 | 67,105 | — | — | — | — | 67,553 |
| 2003 | 66,596 | 48,284 | — | — | — | 115,301 |
| 2002 | 65,869 | 53,422 | — | — | — | 119,754 |
| 2001 | — | 48,129 | — | — | — | 48,555 |
| 2000 | — | — | — | — | — | 100 |