Facility detail

MONSON COS INC

154 PIONEER DR, LEOMINSTER, MA, 01453

Parent company: AZELIS US HOLDING INC.

Carcinogen — EPA classifications across all reporting years

Year-over-year total releases

Reported on-site TRI releases in pounds (lbs), grouped by reporting year.

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.