This is the second of several articles exploring the use of biosolids in agriculture and residential composting products. We begin with general info about contaminants in biosolids—which wastewater treatment can and cannot remove—and how well plants may absorb those contaminants. 

This is the first of several articles exploring the use of biosolids in agriculture and residential composting products. We will start with general info about contaminants in biosolids, which contaminants wastewater treatment can and cannot remove, and begin to explore how well plants absorb those contaminants.