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The U.S. Environmental Protection Agency (EPA) has released its annual national analysis of the Toxics Release Inventory (TRI). The TRI database contains information on chemical releases into the air, land and water, as well as waste management and pollution prevention activities. The analysis of the 2008 data, the most recent data set available, shows that 3.86 billion pounds of toxic chemicals were released into the environment, a 6% decrease from 2007.
The analysis, which includes data on 650 chemicals from more than 21,000 facilities, found that total releases to air decreased 14%, while releases to surface water increased 3%. This increase is partially attributed to a coal ash spill at a Tennessee Valley Authority facility in Kingston, Tenn. Releases to land remain virtually unchanged from 2007, showing a 0.1% increase.
The report shows decreases in the releases of persistent, bioaccumulative and toxic chemicals, including lead, dioxin and mercury. Total disposal or other releases of mercury decreased 11%. Dioxin releases or disposal decreased 77%, while lead releases decreased by 2%. Releases of polychlorinated biphenyls (PCBs) increased 121%. Because PCBs are no longer used in U.S. manufacturing, these releases represent the removal of PCBs from service for disposal at regulated hazardous waste facilities.
The analysis also shows a 5% decline in the number of facilities reporting to TRI from the previous year, continuing a trend from the past few years. Some of this decline may be attributed to the economic downturn; however, the EPA plans to investigate why some facilities reported in 2007 but not 2008.
Earlier this year, the EPA also restored the more comprehensive TRI reporting requirements that were in effect before December 21, 2006. As a result, the 2008 analysis provides communities with a more complete picture of local environmental conditions. The EPA has begun a review of its TRI program to identify areas for improvement.
TRI tracks the chemicals and industrial sectors specified by the Emergency Planning and Community Right to Know Act of 1986 and its amendments. The Pollution Prevention Act of 1990 also mandates that TRI reports include data on toxic chemicals treated on site, recycled and burned for energy recovery. Together, these laws require facilities in certain industries to report annually on releases, disposal and other waste management activities related to these chemicals.
For more information, visit www.epa.gov/tri.