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10 April 2025 dvanc <br /> Employee- Company <br /> Project No. 25-7931 <br /> Page 2 of 2 <br /> 2.2. SOIL BORING ADVANCEMENT AND SAMPLING <br /> AGI proposes to advance four (4) soil borings across the site using hand methods. Soil <br /> samples will be at total depth of five feet below ground. Each boring will be completed as <br /> a temporary soil-vapor point. installed to a depth of 20 feet below surface grade (bsg). <br /> Field screening of soil and soil-vapor samples shall be performed using an organic vapor <br /> meter(OVM), equipped with photo-ionization detector(PID) pre-calibrated to isobutylene. <br /> 2.3. SOIL AND SOIL-VAPOR LABORATORY ANALYSIS <br /> Selected soil and soil-vapor samples may be submitted to an appropriately certified <br /> laboratory for analysis. Selected samples will be analyzed for VOCs. <br /> 2.4. EQUIPMENT DECONTAMINATION/WASTE MANAGEMENT <br /> All sampling tools used for sample collection will be thoroughly rinsed with clean water <br /> after being washed with a solution of Alconox. Any soil waste generated during field <br /> activities will be stockpiled. We will collect composite stockpile soil samples for <br /> characterization and to decide appropriate disposal alternatives. If you have any <br /> questions or require further information, please contact our office at (800) 511-9300. <br /> Sincerely, <br /> AdvancedGeo, Inc. <br /> Maxwell Niemeyer <br /> Staff Scientist <br />