Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SP SERVICES INC
491 E WILSON, PONTIAC, MI, 48341
Parent company: NA
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 | Xylene (mixed isomers) | Total (lbs) | |||
| 1993 | 2,939 | 1,000 | 3,939 | |||
| 1992 | 2,543 | 500 | 3,043 | |||
| 1991 | 1,691 | — | 1,691 | |||
| 1990 | 62 | — | 62 | |||
▎ 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.