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This story explores whether any health risks exist from the spreading of biosludge on farmland. People in the Green Bay, Ala., area complained that the biosludge, the solid byproduct from sewage treatment plants, was making them sick. Scientists say the practice, while legal, merits further study. Calling the situation a developing public health problem, a former microbiologist with the EPA says biosludge needs to be treated to remove all of the pathogens and not just some of the pathogens as present practices allow.