Due to significant advancements in sewer infrastructure and regulatory compliance for wastewater treatment plants, metal concentrations in treated biosolids are typically low and pose no risk to human health, agriculture or animals.  In order for beneficial use to occur, biosolids must comply with strict, regulatory guidelines.

Biosolids are carefully researched, studied and monitored on an ongoing basis to ensure they are safe. Metal concentrations found in biosolids are similar to those found naturally in healthy soil.

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