There are real gaps in testing biosolids applied to land. The overuse of pharmaceuticals in the general population is well documented, but how much of it ends up in biosolids is not well researched. This article provides a comprehensive method for testing and raises some questions about the residues in land applied biosolids.
The application of class B biosolids is forbidden on grazing livestock pasture, but what about the deer grazing on land with applied biosolids. This peer reviewed paper raises some alarming questions.
This study reveals that biosolid application drives the evolution and dissemination of ARGs in the soil-plant system.