Facility detail

HEXION INC.

3670 GRANT CREEK RD, MISSOULA, MT, 59808

Parent company: HEXION HOLDINGS CORP

Carcinogen — 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	Methanol	Formaldehyde	Phenol	Ammonia	Formic acid	Total
2024	7,457	8,412	590	—	—	16,459
2023	7,457	8,413	590	—	—	16,460
2022	7,424	9,063	599	—	—	17,086
2021	8,406	10,147	607	—	—	19,160
2020	8,117	9,665	617	—	—	18,399
2019	8,117	9,665	617	—	—	18,399
2018	8,511	10,069	592	—	—	19,172
2017	8,572	10,182	655	—	—	19,409
2016	8,620	10,155	660	—	—	19,435
2015	8,491	9,953	661	—	—	19,105
2014	7,443	8,973	179	—	—	16,596
2013	6,997	9,129	93	—	—	16,219
2012	7,075	8,794	89	—	—	15,957
2011	6,476	8,246	203	—	—	14,925
2010	6,371	8,181	95	—	—	14,646
2009	5,948	7,509	78	—	—	13,535
2008	7,612	9,097	461	—	—	17,170
2007	11,722	5,533	224	—	—	17,479
2006	11,428	5,332	207	—	—	16,967
2005	11,568	5,455	265	—	—	17,288
2004	13,478	5,580	271	—	—	19,329
2003	12,590	5,261	279	—	—	18,130
2002	11,707	5,100	305	—	131	17,243
2001	8,226	4,125	185	58	8	12,602
2000	7,219	3,608	212	307	14	11,360
1999	7,817	3,761	387	319	14	12,298
1998	7,979	3,512	303	328	—	12,122
1997	6,978	4,221	182	323	—	11,704
1996	7,707	4,201	280	302	—	12,490
1995	6,626	3,875	278	500	—	11,279
1994	16,350	4,080	199	500	—	21,129
1993	16,250	3,370	206	530	—	20,356
1992	14,030	3,270	175	470	—	17,945
1991	12,110	3,060	113	—	—	15,283
1990	12,950	2,450	500	250	—	16,150
1989	12,140	3,850	230	—	—	16,220
1988	12,340	27,100	2,700	—	—	42,140
1987	—	—	2,350	—	—	2,350