Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
13573 TEHACHAPI BLVD, TEHACHAPI, CA, 93561
Parent company: UNACEM N.A. INC
Reported on-site TRI releases in pounds, grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases across all available years.
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| Year | Ammonia | Mercury compounds | Lead compounds | Manganese compounds | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Total |
|---|---|---|---|---|---|---|
| 2024 | 6,700 | — | — | — | — | 6,733 |
| 2023 | 11,694 | — | — | — | — | 11,721 |
| 2022 | 10,631 | — | — | — | — | 10,687 |
| 2021 | 12,251 | — | — | — | — | 12,298 |
| 2020 | — | — | — | — | — | 180 |
| 2019 | — | 24 | 100 | — | 3 | 126 |
| 2018 | — | — | 99 | — | — | 131 |
| 2017 | — | 26 | 95 | — | 3 | 123 |
| 2016 | — | 28 | 96 | — | 4 | 127 |
| 2015 | — | 404 | 96 | — | 1 | 501 |
| 2014 | — | 1,347 | 96 | — | 13 | 1,456 |
| 2013 | — | 1,280 | 95 | — | 11 | 1,385 |
| 2012 | — | 1,418 | 96 | — | 15 | 1,528 |
| 2011 | — | 1,352 | 96 | — | 15 | 1,463 |
| 2010 | — | 872 | 96 | — | 15 | 983 |
| 2009 | — | 712 | 143 | — | 15 | 870 |
| 2008 | — | 945 | 185 | — | 15 | 1,145 |
| 2007 | — | 144 | 206 | — | 15 | 365 |
| 2006 | — | 586 | 214 | 255 | 15 | 1,070 |
| 2005 | — | 698 | 818 | 255 | 15 | 1,795 |
| 2004 | — | 2,506 | 697 | 255 | 15 | 3,472 |
| 2003 | — | 2,594 | 893 | — | 15 | 3,503 |
| 2002 | — | 2,345 | 678 | — | 10 | 3,033 |
| 2001 | — | 2,547 | 229 | — | 10 | 2,786 |
| 2000 | — | 2,580 | — | — | 10 | 2,590 |
| 1999 | — | — | — | — | 10 | 10 |
| 1998 | — | — | — | — | 10 | 10 |
| 1997 | — | — | — | — | 10 | 10 |
| 1996 | — | — | — | — | 10 | 10 |
| 1994 | — | — | — | — | — | 10 |