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EPA Analysis Shows Decrease in 2011 Toxic Chemical Releases in New Hampshire

Release Date: 01/16/2013
Contact Information: David Deegan, (617) 918-1017

(Boston, Mass. – Jan. 16, 2013) – EPA’s most recent Toxic Release Inventory (TRI) data is now available for the reporting year of 2011. In New Hampshire, the reporting data show that overall releases of pollutants to the environment have decreased since the previous reporting year (2010).

TRI information is a key part of EPA’s efforts to provide greater access to environmental information and get information to the public as quickly as possible. TRI reporting provides Americans with vital information about their communities by publishing information on toxic chemical disposals and releases into the air, land and water, as well as information on waste management and pollution prevention activities in neighborhoods across the country.

During 2011, the latest year for which data are available, approximately 18.96 million pounds of chemicals were released in the six New England states, a reduction of about 1,690,960 pounds. In New Hampshire, 139 facilities reported in 2011 approximately 2.1 million pounds (a decrease of 1,218,609 pounds). Approximately 92.58 percent of releases in New Hampshire were emitted to the air during 2011. Approximately 0.96 percent of releases in New Hampshire were released to the land during 2011. 

“EPA is proud of our long-term commitment of putting accessible, meaningful information in the hands of the American people so we can be informed about chemicals found in our own communities and neighborhoods,” said Curt Spalding, regional administrator of EPA’s New England office.  “Environmental data such as TRI is fundamental to helping people protect the health of their families and themselves, and provides communities with valuable information on toxic chemical releases.”

Each year, EPA makes publicly available TRI data reported by industries throughout the United States regarding chemical releases to air, water and land by power plants, manufacturers and other facilities which employ ten or more workers and exceed thresholds for chemicals.  Reporting includes information on chemicals released at a company's facility, as well as those transported to disposal facilities off site. TRI data do not reflect the relative toxicity of the chemicals emitted or potential exposure to people living in a community with reported releases. Facilities must report their chemical disposals and releases by July 1 of each year.  EPA made the 2011 preliminary TRI dataset available on Oct. 31, 2012.

Reporting under TRI does not indicate illegal discharges of pollutants to the environment. EPA works closely with states to provide regulatory oversight of facilities that generate pollution to the nation’s air, land and water. Effective review and permitting programs work to ensure that the public and the environment are not subjected to unhealthful levels of pollution, even as agencies work to further reduce emissions of chemicals to the environment. Enforcement efforts by EPA and states ensure that facilities that violate their environmental permits are subject to penalties and corrective action. Yearly releases by individual facilities can vary due to factors such as power outages, production variability, lulls in the business cycle, etc., that do not reflect a facility's pollution prevention program(s).

The top ten chemicals released to the environment on- and off-site during 2011 in New Hampshire were:
2011 Rank2011 ChemicalTotal on-and off-site disposal or other releases2010 Rank
1Hydrochloric acid (1995 and after "acid aerosols" only)1,083,2321
2Sulfuric acid (1994 and after "acid aerosols" only)566,6062
3Ammonia139,8164
4Hydrogen fluoride55,6733
5Toluene35,0517
6Barium compounds29,4825
7Zinc compounds25,4186
8Styrene19,54810
9Lead19,31315
10N-methyl-2-pyrrolidone16,31412

The ten facilities that reported the largest quantity of on- and off-site environmental releases in New Hampshire under TRI for 2011 were:
2011 RankCompany2011 Total on-and off-site disposal or other releases2010 Rank
1MERRIMACK STATION. 97 RIVER RD, BOW NEW HAMPSHIRE 03304 (MERRIMACK)1,676,1001
2SCHILLER STATION. 400 GOSLING RD, PORTSMOUTH NEW HAMPSHIRE 03801 (ROCKINGHAM)97,7832
3