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16 August 2011 <br /> AGE-NC Project No. 11-1957 <br /> Page 2 of 4 <br /> SCOPE OF WORK <br /> AGE proposes to advance a total of six soil borings at the site for collection of soil and grab <br /> ground water samples. Four borings will be advanced in the western portion of the <br /> property, and two borings will be advanced near the central area of the property. Boring <br /> locations may be modified in the field depending on site conditions. Approximate boring <br /> locations are illustrated in Figure 2. <br /> Borings will be advanced to depths of approximately 20 feet and 50 feet bsg. Borings will <br /> be advanced using a GeoProbe direct push rig. Soil samples will be collected from each <br /> boring at five-foot intervals. Additionally, grab ground water samples will be collected from <br /> the deeper (50-foot) soil borings. <br /> Soil and grab ground water samples will be submitted to a California Department of Public <br /> Health (CDPH)-Certified laboratory and analyzed for volatile organic compounds (VOCs) <br /> in accordance with EPA-method 8260B. <br /> Upon completion of the field work and receipt of laboratory analysis, a brief report will be <br /> prepared. The report will be reviewed and signed by a California Professional Geologist. <br /> PROBE BORING ADVANCEMENT <br /> Probe borings will be advanced using a van-mounted Geoprobe 5400 direct-push probing <br /> unit equipped with 1.25-inch probing rods. The Geoprobe advances soil probe borings <br /> using a hydraulic hammer to drive soil and ground water sampling tools to specified <br /> depths. <br /> SOIL SAMPLE COLLECTION AND ANALYSIS <br /> Soil samples will be collected at discreet five-foot intervals using a 1.25-inch Geoprobe soil <br /> sampling assembly loaded with four six-inch brass sleeves. Upon sample retrieval, the <br /> ends of the second sleeve will be covered with Teflon sheets, capped and sealed with <br /> tape. <br /> Appropriately sealed and labeled samples will be placed in a chilled container under ice <br /> and transported under chain-of-custody procedure to a CDPH-certified laboratory. Each <br /> sample sleeve will be labeled with the boring designation, depth, time, date and sampler's <br /> initials. Additionally, soil sample duplicates will be field-screened for the presence of <br /> volatile organic compounds using an organic vapor meter (OVM), equipped with <br /> photo-ionization detector (PID). <br /> .Advanced CeoEnvironmental,Inc. <br />