ANIMALS - Sludge as new sentinel for human health risks

In a new study, a strong overlap is observed between chemicals found in biological samples taken from the human population and those detected in municipal biosolids. These findings suggest that analysis of sludge may provide a useful surrogate for the assessment of human exposure and bioaccumulation of potentially hazardous substances ...

http://www.sciencedaily.com/releases/2014/01/140116162210.ht