PASADENA, Calif.–(BUSINESS WIRE)– #DOE–Tetra Tech, Inc. (NASDAQ: TTEK), a leading provider of high-end consulting and engineering services, announced today that it has been awarded an estimated $108 million, five-year, multiple-award blanket purchase agreement (BPA) to provide environmental support services to the U.S. Department of Energy to address its energy projects and associated potential environmental impacts using science-based technology solutions. Tetra Tech technical experts will identif