Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
IBM ROCHESTER
3605 HWY 52 NORTH DEPT KMW, ROCHESTER, MN, 55901
Parent company: INTERNATIONAL BUSINESS MACHINES CORP
Carcinogen
PBT
— 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 | Freon 113 (CFC-113) | Dichloromethane | Acetone | 1,1,1-Trichloroethane | Nitric acid | Total (lbs) |
| 2002 | — | — | — | — | — | 1 |
| 2001 | — | — | — | — | 5 | 5 |
| 2000 | — | — | — | — | 24 | 88 |
| 1999 | — | — | — | — | 210 | 342 |
| 1998 | — | — | — | — | 500 | 770 |
| 1997 | — | — | — | — | 590 | 933 |
| 1996 | — | — | — | — | — | 619 |
| 1995 | — | — | — | — | — | 580 |
| 1994 | — | — | — | — | 453 | 780 |
| 1993 | — | — | — | — | 422 | 912 |
| 1992 | — | — | — | — | 394 | 858 |
| 1991 | 16,700 | — | 6,740 | 13,054 | 290 | 37,263 |
| 1990 | 311,000 | 6,400 | 8,700 | 16,110 | 1,200 | 344,512 |
| 1989 | 624,000 | 30,600 | 11,600 | 10,400 | 430 | 677,451 |
| 1988 | 774,600 | 47,100 | 20,100 | — | 290 | 842,204 |
| 1987 | 730,000 | — | — | — | — | 730,901 |
▎ 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.