Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
VARCO MIDLAND FACILITY TUBOSCOPE DIV
11919 COUNTY RD 128 W, MIDLAND, TX, 79711
Parent company: VARCO, LP
Carcinogen
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) across all available years.
Full release table
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| All values in pounds (lbs) | ||||||
|---|---|---|---|---|---|---|
| Year | Methyl ethyl ketone | Barium | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | n-Butyl alcohol | Methyl isobutyl ketone | Total (lbs) |
| 2002 | 22,757 | — | — | — | — | 22,757 |
| 2001 | 8,435 | — | — | — | — | 8,435 |
| 2000 | 11,376 | — | — | — | — | 11,376 |
| 1998 | 19,200 | — | — | — | — | 19,200 |
| 1997 | 17,538 | — | — | — | — | 17,538 |
| 1996 | 17,560 | — | — | — | — | 17,560 |
| 1995 | 10,620 | — | — | — | — | 10,620 |
| 1994 | 12,245 | — | — | — | — | 12,245 |
| 1992 | 1,607 | — | 1,000 | 500 | 500 | 3,607 |
| 1991 | 500 | — | 1,285 | 250 | 250 | 2,285 |
| 1990 | 1,297 | — | — | — | — | 1,297 |
| 1989 | 1,415 | 3,923 | — | 442 | — | 5,780 |
| 1988 | — | 5,253 | — | — | — | 5,253 |
| 1987 | — | — | — | 943 | — | 943 |
▎ Facilities report to EPA's TRI once they manufacture, process, or use a listed chemical above set thresholds. Once that threshold is crossed, they must report actual releases regardless of size — so a small number reflects genuine low-level discharge, not a data error.