Facility detail

EAST PENN MANUFACTURING CO INC

2185 HWY 2, CORYDON, IA, 50060

Parent company: EAST PENN 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	Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	Lead	Lead compounds	Antimony	Total (lbs)
2024	—	2	—	0	2
2023	—	12	—	—	12
2022	—	2	—	—	2
2021	—	8	—	—	8
2020	—	7	—	0	7
2019	—	6	—	—	6
2018	—	9	—	0	9
2017	—	27	—	0	28
2016	—	24	—	0	25
2015	—	35	—	11	46
2014	—	39	—	14	53
2013	—	36	—	1	37
2012	—	26	—	1	26
2011	—	27	—	0	27
2010	—	25	—	0	26
2009	—	22	—	1	23
2008	—	28	—	2	30
2007	—	20	—	—	20
2006	—	3	—	—	3
2005	—	7	—	—	7
2004	—	7	—	—	7
2003	—	14	—	—	14
2002	—	16	—	—	16
2001	—	—	29	—	29
2000	500	10	—	—	510
1999	255	500	—	—	755
1998	255	255	—	—	510
1997	255	255	—	—	510
1995	255	10	—	—	265
1994	255	10	—	—	265
1993	255	10	—	—	265
1992	255	255	—	—	510
1991	53	255	—	—	308
1990	255	—	255	—	510
1989	250	—	250	—	500
1988	250	—	—	—	250
1987	250	—	250	—	500

▎ 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.