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Research Highlights
Chemical Wipe Sampling Sampling can occur during household lead testing, airport screening, post-decon sampling, and human pesticide exposure. EPA research aims to better identify surface contaminant collection methods, including sampling media, wetting solvents, and collection techniques. Procedures can vary widely, depending on the contaminant of interest and the surface sampled. Increasing the reliability of test results begins with accurate sample collection. The procedure used for a specific analyte on a given surface is an important part of whether or not the results generated will be representative of the contamination. As part of this research, EPA is releasing a report to summarize the findings of a literature review conducted to identify the state-of-the-art wipe sampling techniques for a target list of compounds. The report includes the history of sampling, chemical and physical properties of each target analyte, techniques for sampling each target analyte, and a summary of the findings, including data gaps.
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