DALLAS -- Attorneys representing the Hamilton Park neighborhood, southeast of Texas Instruments Inc.'s headquarters, in North Dallas, have decided to drop a civil lawsuit claiming contamination of residents' groundwater. Three successive tests of toxic plumes have failed to show plume migration into the neighborhood.
When the suit was filed in June, both the U.S. Environmental Protection Agency and the Texas Commission on Environmental Quality said they failed to spot significant migration of tricholorethane or trichloroethylene into the area.
TI does not dispute the existence of the plumes on its own campus and nearby areas. But the legal firm of Ted Lyon & Associates decided to dismiss the suit, after three rounds of testing failed to indicate any migration of the plume into the neighborhood, a representative of Ted Lyon told the Dallas Business Journal.
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