Facility detail

CAPITOL AGGREGATES INC.

11551 NACOGDOCHES RD, SAN ANTONIO, TX, 78217

Parent company: ZACHRY CONSTRUCTION & MATERIALS INC

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	Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	Acetaldehyde	Formaldehyde	Ammonia	Chromium compounds (except for chromite ore mined in the Transvaal Region)	Total
2024	—	—	27,134	2,121	—	29,300
2023	—	—	—	2,180	—	2,216
2022	—	—	—	2,184	—	2,219
2021	—	—	—	2,734	—	2,773
2020	—	—	—	2,276	—	2,313
2019	—	28,828	—	2,195	—	31,067
2018	—	—	—	1,792	—	1,826
2017	—	31,000	25,000	2,250	—	58,301
2016	—	28,000	—	2,120	—	30,163
2015	—	28,000	—	3,621	—	31,652
2014	—	—	35,397	3,652	—	39,067
2013	—	—	—	2,744	—	2,761
2012	—	—	—	2,076	—	2,094
2011	—	—	—	2,050	—	2,060
2010	—	—	—	2,666	255	3,188
2009	—	—	—	2,502	255	3,276
2008	—	—	—	2,520	14	2,711
2007	—	—	—	—	—	22
2006	49,543	—	—	—	29	49,670
2005	47,236	—	—	—	2,334	54,061
2004	50,203	—	—	—	2,579	57,689
2003	48,419	—	—	—	24	48,513
2002	51,386	—	—	—	25	51,493
2001	52,557	—	—	—	255	52,892
2000	56,099	—	—	—	3,191	59,356
1999	—	—	—	—	2,411	2,411
1998	—	—	—	—	2,797	2,797
1997	—	—	—	—	2,831	2,831
1996	—	—	—	—	2,792	2,792
1995	—	—	—	—	2,817	2,817