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General guidelines on how to conduct a bioassay for herbicide residues in soil.
This publication alerts prospective gardeners to some of the most common contaminants in urban soils, such as lead and other toxic metals, solvents, pesticides and total petroleum hydrocarbons. This will help minimize potential risks to gardeners and to those who consume garden produce. The document includes information regarding site characterization, common contaminants, soil testing, interpretation of results and strategies for reducing exposure risks.
