Facility detail

NOV TUBOSCOPE NAVASOTA

9574 FM 1227, NAVASOTA, TX, 77868

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	Methyl ethyl ketone	Methyl isobutyl ketone	Toluene	Certain glycol ethers	Total
2015	9,237	—	6,323	2,194	—	17,754
2014	9,663	—	7,384	6,994	—	24,041
2013	16,200	—	7,741	7,449	—	31,390
2012	7,612	—	4,422	4,342	—	16,376
2011	4,045	—	679	716	409	5,849
2010	11,023	—	6,020	5,960	10,782	33,785
2009	8,498	—	4,264	4,297	11,152	28,211
2008	8,906	—	5,804	8,677	8,661	32,048
2007	15,000	—	11,150	12,300	16,142	54,592
2006	24,959	—	15,799	15,584	—	56,342
2005	19,149	—	12,354	11,517	—	43,020
2004	18,133	—	9,902	9,094	—	37,129
2003	13,275	23,288	6,049	4,762	—	47,374
2002	17,570	39,318	—	—	—	56,888
2001	16,504	33,370	8,080	8,080	—	66,034
2000	16,424	26,636	5,806	—	—	48,866
1999	12,000	29,400	—	—	—	41,400
1998	8,800	13,900	—	—	—	22,700