Facility detail

MONTANA SULPHUR & CHEMICAL CO

627 PAR MONTANA RD, BILLINGS, MT, 59101

Parent company: NA

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	Hydrogen sulfide	Carbon disulfide	Carbonyl sulfide	Methanol	Aluminum oxide (fibrous forms)	Total
2024	15,548	1,167	1,026	—	—	17,741
2023	15,248	1,230	1,081	—	—	17,559
2022	12,826	811	713	—	—	14,350
2021	13,231	1,270	1,117	—	—	15,618
2020	12,218	1,194	1,050	—	—	14,462
2019	11,647	1,041	916	—	—	13,604
2018	13,894	1,261	1,109	—	—	16,264
2017	13,323	1,352	1,189	—	—	15,864
2016	11,490	1,165	1,025	—	—	13,680
2015	13,061	1,464	1,288	—	—	15,813
2014	13,643	1,369	1,203	—	—	16,215
2013	13,880	1,544	1,544	—	—	16,968
2012	11,825	—	—	—	—	11,825
2009	—	1,517	1,333	—	—	2,850
2008	—	1,703	1,496	—	—	3,199
2007	—	750	750	—	—	1,500
2006	—	1,020	896	—	—	1,916
2005	—	1,706	1,500	—	—	3,206
2004	—	1,717	1,509	—	—	3,226
2003	—	1,667	1,465	—	—	3,132
2002	—	7,165	4,501	—	—	11,666
2001	—	5,736	3,603	—	—	9,339
2000	—	1,904	1,673	—	—	3,577
1999	—	1,412	1,241	—	—	2,653
1998	—	4,002	66	—	—	4,068
1997	—	4,124	68	—	—	4,442
1996	—	3,515	58	—	—	3,823
1995	—	3,565	250	—	—	4,065
1994	—	3,295	250	—	—	3,545
1993	—	3,433	250	—	—	3,683
1988	—	24,250	645	7,300	6,959	39,154
1987	—	—	—	8,050	—	8,050