Facility detail

UNVERFERTH MANUFACTURING CO INC BRENT DIV

27612 TEMPLE AVE, SHELL ROCK, IA, 50670

Parent company: UNVERFERTH MANUFACTURING CO INC

Carcinogen PBT — EPA classifications across all reporting years

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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	Xylene (mixed isomers)	m-Xylene	Toluene	Ethylbenzene	o-Xylene	Total (lbs)
2024	—	—	—	—	—	150
2023	—	—	—	—	—	140
2022	—	—	—	—	—	110
2021	—	—	—	—	—	100
2019	—	—	—	—	—	80
2018	—	—	—	—	—	80
2017	—	—	—	—	—	60
2016	—	—	—	—	—	40
2015	—	—	—	—	—	100
2014	—	—	—	—	—	144
2013	—	—	—	—	—	184
2012	—	—	—	—	—	153
2011	—	10,200	17,600	10,200	—	38,164
2010	—	9,100	15,200	9,300	—	33,774
2009	—	—	10,600	—	—	10,734
2008	—	—	—	—	—	96
2007	—	—	—	—	—	121
2006	—	—	—	—	—	85
2005	—	—	—	—	—	380
2004	—	9,900	—	—	—	10,004
2003	—	12,350	—	10,205	—	22,665
2002	—	10,850	—	—	—	10,993
2001	—	10,850	—	—	—	10,986
2000	—	11,250	—	—	—	11,297
1999	—	9,650	—	—	—	9,650
1998	—	11,900	—	10,200	18,700	60,900
1997	86,000	—	—	—	—	86,000
1996	66,604	—	—	—	—	66,604
1995	83,882	—	16,223	—	—	100,105
1994	69,711	—	15,869	—	—	85,580
1993	61,540	—	—	—	—	61,540

▎ 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.