Facility detail

MARTIN MARIETTA NORTH TEXAS CEMENT LLC

245 WARD RD, MIDLOTHIAN, TX, 76065

Parent company: MARTIN MARIETTA 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)	Manganese compounds	Zinc compounds	Lead	Barium	Total
2024	109,524	55,141	—	—	—	168,510
2023	124,356	—	5,777	—	—	231,629
2022	124,600	—	9,732	—	—	307,299
2021	117,116	—	4,593	—	—	201,063
2020	111,610	—	2,524	—	—	151,923
2019	119,914	—	1,664	—	—	144,394
2018	108,546	—	2,533	—	—	148,761
2017	110,017	27,325	1,834	—	—	141,144
2016	121,602	73,394	4,754	—	—	206,351
2015	109,946	79,345	5,118	—	—	199,736
2014	128,848	85,913	5,224	—	—	256,126
2013	131,400	143,148	8,833	—	—	325,573
2012	101,960	110,729	6,960	—	—	227,129
2011	77,628	121,234	7,293	—	—	213,663
2010	80,144	120,241	7,162	—	—	214,955
2009	87,524	105,374	6,309	—	—	207,443
2008	344,092	223,763	116,174	—	—	739,056
2007	522,118	276,630	341,262	—	—	1,177,104
2006	541,958	197,097	40,367	—	—	816,891
2005	708,319	285,633	—	10,248	—	1,030,182
2004	506,380	281,118	44,140	10,098	21,039	888,473
2003	499,470	323,559	33,347	9,897	28,905	948,179
2002	481,535	246,154	88,897	20,166	33,534	893,501
2001	927,055	108,413	68,905	22,054	31,010	1,178,653
2000	1,260,518	130,081	117,729	548,950	169,461	2,287,814
1999	—	129,037	117,229	548,950	169,465	1,076,964
1998	—	562,412	64,458	—	—	713,041
1997	—	610,150	—	—	—	634,675
1996	—	1,692	—	—	—	135,477
1995	—	—	96,255	—	—	119,498
1994	—	—	33,250	—	—	52,601
1993	—	—	—	—	—	3,530
1992	—	—	—	—	—	3,785
1991	—	—	—	—	—	462
1990	—	—	—	—	—	2,200
1989	250	—	—	—	—	7,015
1988	—	—	—	—	—	20
1987	—	—	—	—	—	500