Facility detail

MEXICHEM SPECIALTY COMPOUNDS

170 PIONEER DR, LEOMINSTER, MA, 01453

Parent company: MEXICHEM SPECIALTY COMPOUNDS INC

Carcinogen PBT — EPA classifications across all reporting years

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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	Ammonia	Lead compounds	Antimony compounds	Barium compounds (except for barium sulfate (CAS No. 7727-43-7))	Zinc compounds	Total (lbs)
2024	—	0	86	—	18	104
2023	—	0	92	—	9	101
2022	—	0	123	—	21	145
2021	—	0	109	—	21	130
2020	—	0	111	—	17	129
2019	—	0	114	—	15	130
2018	—	—	—	—	255	755
2017	—	0	500	—	255	765
2016	—	0	500	—	255	765
2015	—	0	500	—	260	770
2014	—	0	500	—	255	765
2013	—	0	500	—	255	765
2012	—	0	500	—	255	765
2011	—	0	500	—	—	510
2010	—	4	500	—	—	514
2009	—	3	500	—	—	513
2008	—	7	129	—	—	166
2007	—	8	130	—	—	138
2006	27,206	31	150	—	—	27,386
2005	30,401	98	500	—	—	31,259
2004	28,747	144	500	—	—	29,656
2003	28,381	172	500	—	—	29,318
2002	—	172	500	—	—	927
2001	—	195	500	—	—	950
2000	28,050	500	500	—	—	29,305
1999	24,330	500	500	500	15	26,100
1998	24,900	8,385	5,062	500	750	40,097
1997	26,600	6,105	4,300	500	1,005	38,510
1996	—	1,572	966	552	—	3,090
1995	—	1,750	1,000	—	—	2,750
1994	—	3,500	1,726	690	185	6,576
1993	—	3,203	1,570	630	168	6,085
1992	—	3,980	2,043	776	180	7,402
1991	—	2,500	1,070	460	80	4,327
1990	—	2,400	750	250	73	3,717
1989	—	39	17	5	2	199
1988	—	49	28	8	3	384
1987	—	—	—	—	—	33

▎ 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.