SACRAMENTO - Tunnel workers afflicted with severe respiratory illnesses and office workers with sick building complaints made the news in Boston in July. Tests done on the water in two major underwater tunnels at Boston's Deer Island wastewater treatment construction project found legionella and gram-negative bacteria.The tests were done after at least 200 construction workers were struck by respiratory illnesses. Scott Biodi, local tunnel workers' business manager, told Engineering News-Record (ENR
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