Facility detail

HEIDELBERG MATERIALS US CEMENT LLC

675 QUAKER HILL RD, UNION BRIDGE, MD, 21791

Parent company: HEIDELBERG MATERIALS US 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	Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	Hydrogen sulfide	Ammonia	Zinc compounds	Total
2024	—	—	8,000	2,233	—	10,336
2023	—	—	8,620	2,426	—	11,119
2022	—	—	8,817	92	—	8,976
2021	—	—	8,746	24,991	—	33,804
2020	—	—	9,037	13,236	—	22,445
2019	—	—	8,880	346	—	9,400
2018	—	—	8,640	805	—	9,570
2017	—	—	8,729	363	—	9,209
2016	—	—	8,531	2,391	—	11,033
2015	—	—	9,800	2,330	—	12,259
2014	—	—	13,174	2,188	—	15,516
2013	—	—	13,210	2,137	—	15,503
2012	—	—	12,775	1,985	—	14,970
2011	—	—	—	—	—	300
2010	—	—	—	—	—	391
2009	—	—	—	—	—	354
2008	—	—	—	—	—	7,138
2007	—	—	—	—	—	7,487
2006	—	—	—	—	—	5,063
2005	—	—	—	—	—	6,084
2004	—	—	—	—	—	209
2003	410,380	36,263	—	—	—	447,372
2002	360,000	32,000	—	—	—	396,221
2001	250,000	42,000	—	—	765	293,530
2000	270,000	46,000	—	—	765	317,530
1999	260,000	46,000	—	—	755	308,010
1998	270,000	45,000	—	—	2,800	319,055
1997	230,000	46,000	—	—	5,800	281,800
1996	—	—	—	—	2,700	2,700
1995	—	—	—	—	1,650	2,405
1994	—	—	—	—	—	255