Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
KOP-FLEX INC
7565 HARMANS RD, HANOVER, MD, 21077
Parent company: EMERSON ELECTRIC 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 | Ammonia | 1,1,1-Trichloroethane | Nickel | Manganese | Chromium | Total (lbs) |
| 2010 | — | — | — | 5 | — | 15 |
| 2009 | — | — | — | 5 | — | 15 |
| 2008 | — | — | — | 5 | — | 15 |
| 2007 | — | — | — | 5 | — | 15 |
| 2006 | — | — | 8 | 5 | — | 23 |
| 2005 | — | — | 8 | — | — | 8 |
| 2004 | — | — | 7 | — | — | 7 |
| 2002 | 162 | — | — | — | — | 162 |
| 2001 | 99,100 | — | 2,300 | — | — | 101,400 |
| 2000 | 1,490 | — | 26 | — | — | 1,516 |
| 1999 | 1,107 | — | 27 | 24 | — | 1,158 |
| 1998 | 1,289 | — | 24 | 28 | — | 1,341 |
| 1997 | 1,550 | — | 75 | 31 | — | 1,656 |
| 1996 | 2,001 | — | 105 | 139 | 122 | 2,367 |
| 1995 | 1,701 | — | 164 | 149 | 83 | 2,097 |
| 1994 | 1,501 | — | 121 | 130 | 93 | 1,845 |
| 1993 | 1,613 | — | 116 | 124 | 88 | 1,941 |
| 1992 | 1,411 | — | 112 | 212 | 86 | 1,821 |
| 1991 | 1,820 | — | 112 | 120 | 85 | 2,137 |
| 1990 | 3 | 4,468 | — | — | — | 4,471 |
| 1989 | — | 13,216 | — | — | — | 13,216 |
| 1988 | — | 44,981 | — | — | — | 44,981 |
▎ 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.