Facility detail

DOW NORTH AMERICA ALLYN'S POINT PLANT

1761 RTE 12, GALES FERRY, CT, 06335

Parent company: THE DOW CHEMICAL CO

Carcinogen — 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	1-Chloro-1,1-difluoroethane (HCFC-142b)	Chloroethane	Chloromethane	Chlorodifluoromethane (HCFC-22)	1,3-Butadiene	Total (lbs)
2009	370,257	—	—	37,137	32	409,185
2008	303,075	—	—	33,192	26	339,115
2007	299,564	—	—	22,632	49	328,232
2006	310,669	—	—	29,377	183	346,302
2005	278,366	—	—	15,160	30	299,056
2004	308,963	—	—	32,236	29	347,000
2003	349,379	—	—	41,558	9	396,878
2002	437,061	—	—	46,901	26	490,294
2001	368,631	132,165	—	—	21	508,588
2000	428,535	224,000	—	—	32	659,618
1999	442,340	250,000	—	—	155	704,959
1998	354,505	220,000	—	—	83	579,077
1997	281,404	195,000	—	—	132	480,512
1996	292,800	198,000	—	—	68	498,174
1995	311,400	210,000	—	—	71	528,591
1994	308,600	197,000	—	—	116	513,757
1993	—	216,000	—	—	56	224,389
1992	—	201,320	—	—	1,385	213,429
1991	—	179,980	—	—	44,389	234,434
1990	—	163,000	81,000	—	58,300	317,452
1989	—	372,000	332,000	—	58,300	778,263
1988	—	—	294,000	—	58,301	353,208
1987	—	560,000	—	—	—	560,000

▎ 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.