Facility detail

HK RESEARCH CORP

908 OLD LENOIR RD, HICKORY, NC, 28601

Parent company: IP 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	Acetone	Styrene	Methyl methacrylate	Diisocyanates	4,4'-Methylenedi(phenyl isocyanate)	Total
2024	—	6,550	2,235	—	—	8,785
2023	—	7,726	1,943	—	—	9,669
2022	—	8,228	2,311	—	—	10,539
2021	—	6,664	2,164	—	—	8,828
2020	—	6,491	2,330	—	—	8,821
2019	—	449	522	—	—	972
2018	—	1,634	428	—	—	2,062
2017	—	1,801	379	1	—	2,181
2016	—	1,801	379	1	—	2,181
2015	—	2,842	273	1	—	3,116
2014	—	1,229	768	1	—	1,998
2013	—	1,229	251	1	—	1,481
2012	—	1,182	240	1	—	1,423
2011	—	1,182	196	5	—	1,383
2010	—	907	184	5	—	1,096
2009	—	820	132	5	—	957
2008	—	820	126	5	—	951
2007	—	1,090	194	5	—	1,289
2006	—	1,090	295	7	—	1,392
2005	—	752	194	19	—	966
2004	—	684	162	188	—	1,034
2003	—	612	151	186	—	949
2002	—	489	260	200	—	949
2001	—	2,064	164	154	—	2,382
2000	—	2,440	142	132	—	2,714
1999	—	2,224	161	112	—	2,497
1998	—	1,075	470	18	—	1,563
1997	—	995	940	15	—	1,950
1996	—	877	1,720	16	—	2,613
1995	—	1,000	250	5	—	1,255
1994	—	1,000	—	—	5	1,005
1993	75,684	1,000	—	—	5	76,689
1992	80,995	1,000	—	—	5	82,000
1991	79,308	500	—	—	—	79,808
1990	72,071	500	—	—	—	72,571
1989	73,913	500	—	—	—	74,413
1988	96,844	—	—	—	—	96,844