Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
INNOVATIVE MEMBRANE SYSTEMS INC
189 DEAN ST, NORWOOD, MA, 020624542
Parent company: PRAXAIR 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 | Cyclohexane | 1,1,1-Trichloroethane | N-Methyl-2-pyrrolidone | N,N-Dimethylformamide | Total (lbs) | |
| 2003 | 8,569 | — | — | 25 | 8,594 | |
| 2002 | 9,736 | — | 108 | 166 | 10,010 | |
| 2001 | 6,839 | — | — | 25 | 6,864 | |
| 2000 | 7,839 | — | — | 28 | 7,867 | |
| 1999 | 12,404 | — | 63 | — | 12,467 | |
| 1998 | 19,800 | 7,600 | 110 | 100 | 27,610 | |
| 1997 | 11,792 | — | 613 | — | 12,405 | |
| 1996 | 5,391 | — | 471 | — | 5,862 | |
| 1995 | 7,200 | 10,000 | 290 | 120 | 17,610 | |
| 1994 | 8,812 | — | — | — | 8,812 | |
| 1993 | 10,475 | — | — | — | 10,475 | |
| 1992 | 21,100 | 14,786 | — | — | 35,886 | |
| 1991 | 12,918 | 9,221 | — | — | 22,139 | |
| 1990 | 5,401 | 4,987 | — | — | 10,388 | |
| 1989 | 2,985 | 2,431 | — | — | 5,416 | |
▎ 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.