Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
5870 POE AVE, DAYTON, OH, 45414
Parent company: NATIONAL OILWELL VARCO INC
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 | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Chromium | Nickel compounds | Nickel | Manganese | Total |
|---|---|---|---|---|---|---|
| 2019 | 250 | — | 250 | — | — | 750 |
| 2018 | — | — | — | — | — | 370 |
| 2017 | 171 | — | 171 | — | — | 362 |
| 2016 | 359 | — | 250 | — | — | 647 |
| 2015 | 325 | — | 263 | — | — | 623 |
| 2014 | 299 | — | 194 | — | — | 525 |
| 2013 | 17 | — | 12 | — | — | 29 |
| 2012 | — | 16 | — | 12 | — | 28 |
| 2011 | — | 18 | — | 18 | — | 36 |
| 2010 | — | 20 | — | 14 | — | 34 |
| 2009 | — | 12 | — | 9 | — | 21 |
| 2008 | — | 36 | — | 25 | — | 61 |
| 2007 | — | 40 | — | 28 | — | 68 |
| 2006 | — | 21 | — | 15 | — | 36 |
| 2005 | — | 14 | — | 10 | — | 24 |
| 2004 | — | 29 | — | 20 | — | 49 |
| 2003 | — | 65 | — | 45 | — | 110 |
| 2002 | — | 68 | — | 48 | — | 116 |
| 2001 | — | 32 | — | 22 | 3 | 57 |
| 2000 | — | 110 | — | 75 | 11 | 196 |
| 1999 | — | 94 | — | 66 | 9 | 169 |
| 1998 | — | 37 | — | 26 | 4 | 67 |
| 1997 | — | 49 | — | 34 | 5 | 88 |
| 1996 | — | 250 | — | 250 | 250 | 750 |
| 1995 | — | 250 | — | 250 | 250 | 750 |
| 1994 | — | 5 | — | 5 | 5 | 15 |
| 1993 | — | 5 | — | 5 | 5 | 15 |
| 1992 | — | 5 | — | 5 | 5 | 15 |
| 1991 | — | 5 | — | 5 | 5 | 15 |