Facility detail

U.S. MARINE CORPS CHOCOLATE MOUNTAINS AERIAL GUNNERY RANGE

1065 CUFF RD, NILAND, CA, 92257

Parent company: US DEPARTMENT OF DEFENSE

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	Copper	Lead	Lead And Lead Compounds	Lead compounds	Barium compounds (except for barium sulfate (CAS No. 7727-43-7))	Total
2024	65,151	—	53,426	—	—	118,578
2023	85,325	—	64,095	—	—	149,420
2022	83,713	—	46,936	—	—	130,649
2021	63,914	—	58,241	—	—	122,155
2020	50,418	—	37,803	—	—	88,221
2019	57,417	—	37,302	—	—	94,719
2018	74,588	—	50,561	—	—	125,149
2017	83,011	85,458	—	1,745	—	170,215
2016	100,618	65,460	—	1,256	—	167,334
2015	242,268	43,222	—	1,513	—	287,003
2014	80,031	67,241	—	1,528	—	148,800
2013	56,401	51,743	—	936	—	109,082
2012	49,160	56,215	—	3,736	—	109,112
2011	3,868,358	34,018	—	1,323	—	3,903,712
2010	116,937	39,253	—	1,666	—	157,881
2009	91,054	34,003	—	2,274	—	127,331
2008	55,139	30,417	—	6,822	—	92,378
2007	88,998	37,828	—	10,646	—	137,506
2006	413,753	—	—	80,931	8,405	503,152
2005	48,343	—	—	29,726	—	78,069
2004	17,037	—	—	20,060	—	37,097
2003	28,272	19,081	—	273	—	47,626
2001	26,867	18,590	—	813	—	46,270