Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SCHLUMBERGER MALCO INC
76 GWYNNS MILL CT, OWINGS MILLS, MD, 211174145
Parent company: SCHLUMBERGER TECHS INC
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 | Toluene | Total (lbs) | ||||
| 1999 | 500 | 500 | ||||
| 1998 | 416 | 416 | ||||
| 1997 | 416 | 416 | ||||
| 1996 | 442 | 442 | ||||
| 1995 | 1,208 | 1,208 | ||||
| 1994 | 265 | 265 | ||||
| 1993 | 1,515 | 1,515 | ||||
| 1992 | 998 | 998 | ||||
| 1991 | 24,139 | 24,139 | ||||
| 1990 | 27,487 | 27,487 | ||||
▎ 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.