Collection procedures for dry stains on non-absorbent surfaces are:

• Submit the entire item if possible
• If not, use the wet/dry swabbing technique
• If unable to do either of the above, the scraping method also may be used. This is a method to be used in a controlled environment (i.e., no wind or traffic) and where the scrapings will not contaminate other evidence. This method is rarely used on scene. a new or clean scalpel blade or 3x5 index card to scrape the stains form the surface
• Scrape the flakes onto clean, white paper and fold the paper properly (druggist fold/bindle)
• Use a new or clean scalpel blade or 3x5 index card to scrape the stains form the surface
• Scrape the flakes onto clean, white paper and fold the paper properly (druggist fold/bindle)
• Place sample in a labeled envelope that provides reference information from where the sample was collected

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