Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
GELMAN SCIENCES INC.
600 S WAGNER RD, ANN ARBOR, MI, 48103
Parent company: PALL CORP
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 | Freon 113 (CFC-113) | Acetone | 1,1-Dichloro-1-fluoroethane (HCFC-141b) | 2-Methoxyethanol | Dichloromethane | Total (lbs) |
| 2006 | — | — | 15,904 | — | — | 15,904 |
| 2005 | — | — | 15,336 | — | — | 15,336 |
| 2004 | — | — | 17,223 | — | — | 17,223 |
| 2003 | — | — | 18,766 | — | — | 18,766 |
| 2002 | — | — | 19,500 | — | — | 19,500 |
| 2001 | — | — | 23,500 | — | — | 23,500 |
| 2000 | — | — | 22,500 | — | — | 22,500 |
| 1999 | — | — | 20,000 | — | — | 20,000 |
| 1997 | — | — | 12,500 | — | — | 17,339 |
| 1996 | — | — | 16,000 | — | — | 16,000 |
| 1992 | 9,756 | — | — | — | — | 9,756 |
| 1991 | 12,381 | 63,476 | — | — | 2,430 | 78,287 |
| 1990 | 39,499 | 71,584 | — | 5,540 | 4,686 | 121,309 |
| 1989 | 87,000 | 36,250 | — | 5,000 | 6,250 | 134,500 |
| 1988 | 79,000 | 29,250 | — | 1,750 | 6,250 | 117,000 |
| 1987 | — | — | — | 12,500 | — | 21,600 |
▎ 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.