Facility detail

TEHACHAPI CEMENT LLC

13573 TEHACHAPI BLVD, TEHACHAPI, CA, 93561

Parent company: UNACEM N.A. INC

Carcinogen PBT — EPA classifications across all reporting years

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Year-over-year total releases

Reported on-site TRI releases in pounds (lbs), grouped by reporting year.

Top chemical totals

The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) 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.

All values in pounds (lbs)
Year	Ammonia	Mercury compounds	Lead compounds	Manganese compounds	Chromium compounds (except for chromite ore mined in the Transvaal Region)	Total (lbs)
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

▎ Facilities report to EPA's TRI once they manufacture, process, or use a listed chemical above set thresholds. Once that threshold is crossed, they must report actual releases regardless of size — so a small number reflects genuine low-level discharge, not a data error.