Facility detail

NOV COATING HOUSTON

2811 HOLMES RD, HOUSTON, TX, 77051

Parent company: NATIONAL OILWELL VARCO LP

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	n-Butyl alcohol	Toluene	Phenol	Methyl ethyl ketone	Methyl isobutyl ketone	Total
2024	2,825	509	329	—	641	4,304
2023	3,894	1,654	—	—	1,661	7,209
2022	5,317	976	1,751	—	1,350	9,394
2021	3,130	1,013	—	—	855	4,998
2020	2,193	947	—	—	953	4,093
2019	1,429	2,386	—	—	2,886	6,701
2018	4,280	1,988	—	—	2,061	8,329
2017	3,400	1,183	—	—	1,726	6,309
2016	7,611	4,978	—	—	6,048	18,637
2014	—	—	5	—	—	10
2013	5	5	5	—	5	30
2012	5	5	5	—	5	35
2011	5	5	5	—	5	35
2010	5	5	5	—	5	35
2009	—	250	—	—	5	505
2008	—	250	—	—	750	1,250
2002	2,955	1,152	3,945	1,914	168	11,871
2001	3,699	1,373	4,645	2,595	—	14,405
2000	3,295	1,056	4,097	2,055	—	13,131
1999	2,100	580	2,600	1,300	—	8,150
1998	3,400	1,300	3,500	2,500	—	13,400
1997	2,552	—	2,793	880	280	8,249
1996	1,719	—	2,300	654	—	5,529
1995	1,721	—	1,398	789	—	4,967
1994	500	—	5,688	671	107	9,079
1993	500	—	1,290	500	500	4,290
1992	8,888	6,168	—	1,500	—	16,556
1991	10,120	10,354	500	500	500	23,474
1990	1,000	500	1,500	1,500	1,500	9,500
1989	1,750	750	500	7,875	2,375	15,000
1988	—	750	—	7,875	2,375	12,250
1987	—	—	—	—	2,375	2,375