Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
2501 SW ST, WICHITA, KS, 67217
Parent company: NATIONAL OILWELL VARCO LP
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 | Acetone | Styrene | Total |
|---|---|---|---|
| 2001 | — | 3,660 | 3,660 |
| 2000 | — | 3,750 | 3,750 |
| 1999 | — | 5,900 | 5,900 |
| 1998 | — | 8,100 | 8,100 |
| 1997 | — | 9,800 | 9,800 |
| 1996 | — | 13,460 | 13,460 |
| 1995 | — | 8,900 | 8,900 |
| 1994 | — | 9,100 | 9,100 |
| 1993 | 84,000 | 19,000 | 103,000 |
| 1992 | 88,000 | 9,800 | 97,800 |
| 1991 | 143,926 | 9,964 | 153,890 |
| 1990 | 108,274 | 10,523 | 118,797 |
| 1989 | 97,316 | 9,048 | 106,364 |
| 1988 | — | 19,512 | 19,512 |
| 1987 | 110,900 | — | 110,900 |