Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
3M PRECISION OPTICS-CINCINNATI
4000 MCMANN RD, CINCINNATI, OH, 45245
Parent company: 3M CO
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) | 1,1,1-Trichloroethane | Trichloroethylene | Methyl ethyl ketone | Dichloromethane | Total (lbs) |
| 2006 | — | — | — | — | — | 1 |
| 2005 | — | — | — | — | — | 1 |
| 2004 | — | — | 15,100 | — | — | 15,101 |
| 2003 | — | — | 16,230 | 6,200 | — | 22,431 |
| 2002 | — | — | 21,200 | 6,100 | — | 27,301 |
| 2001 | — | — | 15,803 | 5,084 | — | 20,892 |
| 2000 | — | — | — | 9,030 | — | 9,035 |
| 1999 | — | — | — | 9,878 | — | 9,883 |
| 1998 | — | — | — | 7,856 | — | 7,861 |
| 1997 | — | — | — | 6,639 | 6,702 | 13,346 |
| 1996 | — | — | — | 4,681 | — | 4,686 |
| 1995 | — | — | — | 3,485 | 6,235 | 9,725 |
| 1994 | — | — | — | 2,481 | — | 2,481 |
| 1992 | 13,600 | — | — | — | — | 13,600 |
| 1991 | 38,000 | 20,400 | — | — | — | 58,400 |
| 1990 | 21,884 | 17,144 | — | — | — | 39,028 |
| 1989 | 57,791 | 27,863 | — | — | — | 85,654 |
| 1988 | 43,264 | 24,794 | — | — | — | 68,058 |
| 1987 | — | 14,000 | — | — | — | 14,000 |
▎ 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.