Facility detail

VALLOUREC STAR LP

8603 SHELDON RD, HOUSTON, TX, 77049

Parent company: VALLOUREC STAR LP

Carcinogen PBT — 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	Manganese compounds	Chromium compounds (except for chromite ore mined in the Transvaal Region)	Nickel compounds	Manganese	Chromium	Total
2024	—	—	—	532	—	569
2023	—	—	—	655	70	767
2022	—	—	—	235	25	284
2021	—	—	—	55	—	64
2020	—	—	—	40	—	46
2019	—	—	—	28	—	39
2018	—	—	—	155	—	174
2017	—	—	—	408	—	455
2016	129	—	—	—	—	143
2015	510	—	—	—	—	558
2014	138	16	8	—	—	179
2013	123	—	10	—	—	146
2012	192	14	22	—	—	237
2011	102	10	11	—	—	139
2010	253	25	10	—	—	373
2009	583	75	—	—	—	772
2008	159	21	5	—	—	213
2007	226	37	26	—	—	531
2006	273	45	31	—	—	641
2005	154	25	18	—	—	362
2004	243	40	28	—	—	572
2003	140	20	17	—	—	2,831
2002	78	—	22	—	—	156
2001	547	—	47	—	—	863
2000	61	—	—	—	—	61
1996	65,186	23,704	8,889	—	—	97,779
1995	170,000	64,000	19,000	—	—	253,000
1994	148,000	56,000	16,000	—	—	220,000
1993	121,000	41,000	13,000	—	—	175,000
1992	59,232	22,727	11,103	—	—	93,062
1991	93,519	33,705	—	—	—	127,224
1990	93,366	—	—	—	14,005	114,416
1989	—	—	—	49,250	7,400	57,362
1988	—	—	—	—	2,220	2,220