Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MONSON COS INC
154 PIONEER DR, LEOMINSTER, MA, 01453
Parent company: AZELIS US HOLDING 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 | Methanol | Ethylene glycol | Di(2-ethylhexyl) phthalate | Total (lbs) | ||
| 2016 | 72 | — | — | 72 | ||
| 2015 | 140 | — | — | 140 | ||
| 2014 | 729 | — | — | 729 | ||
| 2013 | 705 | — | — | 705 | ||
| 2012 | 352 | — | — | 352 | ||
| 2011 | 305 | — | — | 305 | ||
| 2009 | 242 | — | — | 242 | ||
| 2008 | 295 | — | — | 295 | ||
| 2005 | 171 | — | — | 171 | ||
| 2004 | 128 | — | — | 128 | ||
| 2003 | 2,304 | — | — | 2,304 | ||
| 2002 | 250 | — | — | 250 | ||
| 2001 | 3,600 | 2 | — | 3,602 | ||
| 2000 | 8,400 | 2 | — | 8,402 | ||
| 1999 | 1,400 | 10 | 1 | 1,411 | ||
| 1998 | 6,100 | 10 | — | 6,110 | ||
▎ 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.