Facility detail

NATIONAL CEMENT CO OF CALIFORNIA INC

5 MILES EAST OF I-5 OFF HWY 138, LEBEC, CA, 93243

Parent company: NATIONAL CEMENT

Carcinogen PBT — EPA classifications across all reporting years

Year-over-year total releases

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	Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	Chromium	Chromium compounds (except for chromite ore mined in the Transvaal Region)	Xylene (mixed isomers)	Total
2024	40,767	2,711	240	—	—	44,028
2023	19,047	2,621	222	—	—	22,312
2022	21,822	2,818	368	—	—	25,216
2021	20,931	5,082	62	—	—	26,130
2020	17,463	4,878	55	—	—	22,444
2019	16,552	4,858	109	—	—	21,593
2018	—	4,787	76	—	—	4,914
2017	—	5,303	65	—	—	5,443
2016	—	16,295	—	—	—	16,529
2015	—	16,268	—	—	—	16,345
2014	—	—	—	201	—	471
2013	—	—	—	—	—	224
2012	—	—	—	—	—	168
2011	—	—	—	—	—	187
2010	—	—	—	—	—	296
2009	—	—	—	6,772	—	7,005
2008	—	—	—	4,630	—	4,846
2007	—	—	—	2,252	—	2,440
2006	—	—	—	4,743	—	4,944
2005	—	—	—	188	—	420
2004	—	—	—	190	—	465
2003	—	—	—	247	—	437
2002	—	—	—	117	—	344
2001	—	—	—	713	—	907
2000	—	44,368	—	—	—	44,870
1999	—	—	5	—	—	15
1998	—	—	5	—	—	5
1997	—	—	7,576	—	52	7,632
1996	—	—	17,584	—	54	17,711
1995	—	—	—	—	46	124
1994	—	—	—	—	51	178
1993	—	—	—	—	54	296
1992	—	—	—	—	52	288
1991	—	—	—	—	55	617
1988	—	—	—	—	9,851	30,642