Facility detail

STILLWATER MINING CO EAST BOULDER MINE

517 W 1ST AVE, BIG TIMBER, MT, 59011

Parent company: NA

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	Nickel compounds	Methanol	Chromium compounds (except for chromite ore mined in the Transvaal Region)	Copper compounds	Nickel And Nickel Compounds	Total
2024	209,279	54,906	—	37,012	—	373,576
2023	284,640	34,967	—	—	—	409,458
2022	152,500	51,660	47,955	30,540	—	285,545
2021	259,067	48,892	—	56,000	—	447,481
2020	—	81,108	—	—	220,061	416,755
2019	—	80,780	—	—	226,061	410,658
2018	161,119	95,426	55,482	29,046	—	345,518
2017	163,517	83,708	39,855	31,196	—	326,302
2016	165,576	87,728	42,359	32,419	—	332,254
2015	154,658	96,314	44,416	31,244	—	329,442
2014	120,361	60,974	34,635	28,948	—	248,864
2013	82,043	46,160	26,000	18,000	—	177,636
2012	75,591	44,361	22,140	19,280	—	164,419
2011	73,051	63,976	22,295	25,779	—	187,884
2010	68,348	42,925	17,496	23,260	—	154,263
2009	92,271	23,419	19,815	29,218	—	167,172
2008	116,554	3,604	34,401	36,778	—	205,933
2007	117,158	8,588	29,107	40,741	—	226,605
2006	119,100	—	34,000	42,840	—	208,869
2005	241,107	2,615	80,000	66,531	—	397,501
2004	94,704	3,520	67,003	16,251	—	187,751
2003	85,047	—	79,072	12,751	—	180,404
2002	65,220	19,028	74,743	23,292	—	186,839
2001	90,158	29,234	37,648	59,486	—	225,830
1998	—	—	28,181	—	—	28,181