Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
7200 INTERSTATE 30, LITTLE ROCK, AR, 72209
Parent company: SCHLUMBERGER HOLDINGS CORP
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) across all available years.
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 | Nickel | Chromium | Manganese | Copper | Total (lbs) | |
| 2020 | 5 | 6 | 4 | — | 15 | |
| 2019 | 7 | 8 | 5 | — | 20 | |
| 2018 | 8 | 8 | 5 | — | 21 | |
| 2017 | 2 | 3 | 2 | — | 7 | |
| 2016 | 5 | 5 | 2 | — | 12 | |
| 2015 | 3 | 2 | 3 | — | 8 | |
| 2014 | 2 | 2 | 3 | — | 6 | |
| 2013 | 312 | 481 | 435 | — | 1,228 | |
| 1999 | 250 | — | — | — | 250 | |
| 1998 | 250 | — | — | — | 250 | |
| 1997 | 250 | — | — | — | 250 | |
| 1996 | 61 | 5 | — | 7 | 73 | |
| 1995 | — | 5 | — | — | 5 | |
| 1994 | 250 | 5 | — | 5 | 260 | |
| 1993 | 250 | 5 | — | 5 | 260 | |
| 1992 | 250 | — | — | 5 | 255 | |
| 1991 | 250 | — | — | 5 | 255 | |
| 1990 | 250 | — | — | 5 | 255 | |
▎ 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.