Facility detail

GRAIN PROCESSING CORP

1600 OREGON ST, MUSCATINE, IA, 52761

Parent company: KENT CORP

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	Methanol	Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	Acetaldehyde	Cyclohexane	Ammonia	Total (lbs)
2024	4,615	—	40,225	—	—	58,396
2023	3,215	—	43,620	—	—	60,411
2022	17,726	2,302	113,612	—	19,545	189,502
2021	16,680	424	87,240	—	20,000	159,249
2020	16,679	480	91,583	—	19,543	162,321
2019	26,081	456	88,901	—	21,097	172,386
2018	15,198	594	102,673	—	26,703	184,027
2017	13,424	594	94,518	—	25,129	171,657
2016	39,476	1,820	114,539	—	8,569	224,033
2015	63,337	323,790	194,159	—	76,091	669,436
2014	130,432	692,974	450,694	—	147,510	1,467,117
2013	112,855	505,575	390,346	—	127,538	1,176,106
2012	101,054	356,873	316,488	—	87,270	873,532
2011	31,434	752,703	146,445	—	—	975,624
2010	28,938	378,249	139,912	61	—	591,166
2009	53,230	378,142	217,122	71	—	688,772
2008	178,269	328,419	423,150	450	—	975,135
2007	204,237	311,292	344,773	512	—	904,072
2006	267,598	315,191	152,143	408	—	781,336
2005	383,225	309,887	150,490	478	—	889,442
2004	243,628	310,329	143,016	457	—	742,835
2003	135,635	271,925	—	522	164	452,369
2002	164,288	288,200	—	128,580	170	621,141
2001	100,157	293,512	—	120,818	190	554,766
2000	197,489	—	—	61,146	20	258,775
1999	260,241	—	—	54,759	20	315,140
1998	519,500	—	—	70,750	20	590,390
1997	510,400	—	—	59,000	20	569,540
1996	965,107	—	—	67,567	20	1,032,814
1995	798,252	—	—	90,083	10	888,405
1994	1,071,101	500	—	93,136	10	1,164,807
1993	1,552,048	500	20,000	76,300	10	1,648,918
1992	2,183,372	500	60,000	109,936	10	2,353,878
1991	587,173	10	80,000	152,923	10	820,166
1990	426,733	—	80,000	139,000	—	645,743
1989	219,610	—	79,815	155,810	—	455,235
1988	—	—	82,070	—	—	82,070
1987	—	—	78,310	—	—	78,310

▎ 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.