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				 The Houston Fire 
				Department said it sent a hazardous materials team to 
				investigate the substance. The Houston Chronicle cited sources 
				on the scene as saying the office received a powder-filled 
				envelope. 
				 
				"The FBI, their HazMat team and City of Houston Fire Department 
				came to the scene and tested the substance. It was found to be 
				non-toxic, and has been taken away by the FBI for further 
				testing," Catherine Frazier of the Cruz campaign was quoted as 
				saying by the Houston Chronicle. 
				 
				Houston Fire officials were not immediately available for 
				comment. 
				 
				(Reporting by Jon Herskovitz in Austin and Houston Bureau; 
				Editing by Peter Cooney and Sandra Maler) 
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