Facility detail

HEXION INC

4338 HIGHWAY 73, GEISMAR, LA, 70734

Parent company: HEXION HOLDINGS CORP

Carcinogen — EPA classifications across all reporting years

Start another search Verify on EPA ECHO ↗

Year-over-year total releases

Reported on-site TRI releases in pounds (lbs), grouped by reporting year.

Top chemical totals

The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) across all available years.

Full release table

Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.

All values in pounds (lbs)
Year	Methanol	Formaldehyde	Chlorine	Biphenyl	Total (lbs)
2024	39,900	17,731	—	—	57,631
2023	39,800	17,660	—	—	57,460
2022	39,900	17,643	—	—	57,543
2021	41,300	18,690	—	—	59,990
2020	37,900	16,330	—	—	54,230
2019	41,700	18,280	—	—	59,980
2018	42,300	18,210	—	—	60,510
2017	41,900	20,690	—	—	62,590
2016	72,300	19,870	—	—	92,170
2015	54,000	22,360	—	—	76,360
2014	46,000	18,480	—	—	64,480
2013	45,705	18,385	—	—	64,090
2012	45,720	18,320	—	—	64,040
2011	58,540	21,780	—	—	80,320
2010	39,840	24,270	—	240	64,350
2009	32,870	17,120	—	—	49,990
2008	29,700	18,250	—	—	47,950
2007	46,132	21,500	—	—	67,632
2006	30,700	18,050	—	—	48,750
2005	30,920	17,850	—	—	48,770
2004	34,960	19,550	—	—	54,510
2003	36,800	19,450	—	—	56,250
2002	55,750	18,000	250	—	74,000
2001	86,371	21,639	—	—	108,010
2000	104,021	30,025	—	9	134,055

▎ Facilities report to EPA's TRI once they manufacture, process, or use a listed chemical above set thresholds. Once that threshold is crossed, they must report actual releases regardless of size — so a small number reflects genuine low-level discharge, not a data error.