AOAC SPADA Meeting

Soil Document Key Points

• Provide Background Information on Soil – Terms and Definitions – Soil as a matrix • How to select Soil to use for Testing • Processing and Using Soil • Additional Resources • Experimental Set ‐ up recommendations

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10 Guidance for Soil Collection, Characterization and Application for Biothreat Agent Detection Method and Site Evaluations • Provides guidance on the standardization of practices for collection, application ‐ driven processing, characterization and use of soil as a sample matrix or potentially interfering substance in biothreat agent detection assays (validation and evaluation) • Provides guidance on the standards for soils used in site assessments, evaluation of biothreat agent decontamination and remediation procedures • Considerations for the development of standard reference materials • Special Considerations: Clay content/soil texture, pH, microorganism content and characterization, moisture, soil horizons, organic matter (carbon content)

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