Measured toxic air releases were down 8% in 2011 from the year before, but overall releases and transfers of toxic chemicals increased by 8%, led by a 19% increase in land releases, according to the Environmental Protection Agency. "Since 1998, we have recorded a steady decline in the amount of [Toxics Release Inventory] chemicals released into the air and, since 2009 alone, we have seen more than a 100 million pound decrease in TRI air pollutants entering our communities," EPA Administrator Lisa Jackson said.

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