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CHEMICAL TREATMENTS: Composted Biosolids Bind Lead in Soil.
According to a study conducted by Sally L. Brown, University of Washington (Seattle, WA) research assistant professor of forest resources, adding composted biosolids rich with iron, manganese and organic matter to a lead-contaminated home garden in Baltimore appears to have bound the lead so it is less likely to be absorbed by the bodies of children who dirty their hands playing outside or are tempted to taste those delicious mud pies they "baked" in the backyard.
Brown is lead author of an article in the journal Environmental Quality.
The garden soil in the study is similar to potentially hundreds of thousands of yards contaminated with lead in Baltimore and …
