Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
3M CO CENTER PILOT PLANTS
I-94 & MCKNIGHT RD, SAINT PAUL, MN, 551441000
Parent company: 3M CO INC
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 | Acetone | Toluene | Methanol | 1,1,1-Trichloroethane | Total (lbs) |
| 1997 | 1,750 | — | — | — | — | 1,750 |
| 1996 | 4,500 | — | 3,040 | — | — | 7,540 |
| 1995 | 7,700 | — | 3,250 | — | — | 10,950 |
| 1994 | 24,930 | — | — | — | — | 24,930 |
| 1993 | 33,400 | 34,300 | 19,300 | — | — | 88,200 |
| 1992 | 24,800 | 24,900 | 12,600 | 8,140 | — | 70,440 |
| 1991 | 6,200 | 49,850 | 21,000 | 10,740 | — | 87,790 |
| 1990 | 33,000 | 17,000 | 16,000 | 18,000 | — | 84,267 |
| 1989 | 40,132 | 51,683 | 25,679 | 18,328 | 600 | 136,422 |
| 1988 | — | — | 26,000 | — | 8,200 | 46,700 |
| 1987 | 150,000 | 28,000 | — | 6,300 | 39,000 | 223,300 |
▎ 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.