Facility detail

EKC TECHNOLOGY INC.

2520 BARRINGTON CT, HAYWARD, CA, 94545

Parent company: DUPONT DE NEMOURS INC

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	Catechol	N-Methyl-2-pyrrolidone	1,2,4-Trimethylbenzene	Phenol	Tetrachloroethylene	Total
2024	64	48	—	—	—	121
2023	95	53	—	—	—	157
2022	205	77	—	—	—	291
2021	281	83	—	—	—	380
2020	248	75	—	—	—	337
2019	206	58	—	—	—	279
2018	122	69	—	—	—	224
2017	252	77	—	—	—	344
2016	228	75	—	—	—	318
2015	245	75	—	—	—	336
2014	247	81	—	—	—	344
2013	222	80	—	—	—	316
2012	207	92	—	—	—	312
2011	231	112	—	—	—	364
2010	218	112	—	—	—	343
2009	190	85	—	—	—	291
2008	249	101	—	—	—	367
2007	243	113	—	—	—	374
2006	238	109	—	—	—	364
2005	205	103	—	—	—	325
2004	488	512	—	—	—	1,027
2003	529	649	58	1	63	1,307
2002	357	137	11	2	47	560
2001	239	519	50	2	53	888
2000	238	524	51	2	55	904
1999	238	432	46	5	72	838
1998	340	962	92	10	63	1,506
1997	—	140	—	4	—	209
1996	56	242	66	22	50	501
1995	34	23	315	16	70	589
1994	15	—	—	14	49	143
1993	13	—	—	12	42	102
1992	—	—	—	17	4	28
1991	3	—	—	20	28	161
1990	—	—	—	43	—	68
1989	250	—	—	250	—	750
1988	—	—	—	250	—	250