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Standard Operating Procedure Installation and Removal of the Vapor Pin® Sampling Device Updated January 28, 2021 Page 2 4) Drill a 5/8-inch (16mm) diameter hole through the slab and approximately I- inch (25mm) into the underlying soil to form a void. Hole must be 5/8-inch (16mm) in diameter to ensure seal. It is recommended that you use the drill guide. 5) Remove the drill bit, brush the hole with the bottle brush, and remove the loose cuttings with the vacuum. Figure 3. Installed VAPOR PIN® sampling 6) Place the lower end of VAPOR P1N® device sampling device assembly into the drilled hole. Place the small hole located in the 7) For flush mount installations, cover the handle of the installation/extraction tool vapor pin with a flush mount cover, using over the vapor pin to protect the barb either the plastic cover or the optional fitting, and tap the vapor pin into place stainless-steel Secure Cover (Figure 4). using a dead blow hammer (Figure 2). Make sure the installation/extraction tool is aligned parallel to the vapor pin to avoid damaging the barb fitting. Figure 4. Secure Cover Installed Figure 2. Installing the VAPOR PIN® 8) Allow 20 minutes or more (consult applicable guidance for your situation) for the sub-slab soil-gas conditions to re- During installation, the silicone sleeve will equilibrate prior to sampling. form a slight bulge between the slab and the VAPOR PIN® sampling device shoulder. Place 9) Remove protective cap and connect the protective cap on VAPOR PIN® sampling sample tubing to the barb fitting of the device to prevent vapor loss prior to sampling VAPOR PIN® sampling device. This (Figure 3). connection can be made using a short VAPOR PIN®sampling device protected under US Patent#8,220,347 B2 and other US and International Patents Vapor Pin Enterprises, Inc. • 7750 Corporate Blvd.,Plain City,Ohio 43064•(614)504-6915•https://www.vapoipin.com/