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26 October 2000 <br /> AGE-NC Project No. 98-0466 <br /> Page 6 of 8 <br /> 4.1. PREPARATIONS FOR FIELD WORK <br /> Prior to conducting field work, the following activities will be conducted: <br /> • Obtain permits for the soil borings. <br /> • Mark boring locations a minimum of 48 hours prior to field wor. <br /> • Notify American Moulding and Millwork, Inc. 48 hours prior to field work to obtain <br /> clearances for boring locations regarding underground structures or utility lines. <br /> • Notify PHS-EHD 48 hours prior to commencement of field wor c to schedule inspection. <br /> 4.2. DRILLING <br /> Soil borings will be advanced utilizing a truck-mounted, hollow-stem cbiH rig and 8-inch diameter <br /> hollow-stem augers. Cuttings generated during drilling activities will be placed on plastic sheeting <br /> and covered. Rinseate will be containerized in properly labeled DOT- approved 55-gallon drums, <br /> and stored on-site in an area lacking public access. Disposal alternatives will be evaluated based on <br /> results of soil and water analysis. <br /> 4.3. SOIL SAMPLING <br /> Soil samples will be collected at 2 feet bsg and at five-foot intervals beginning at a depth of 5 feet <br /> bsg to total depth, utilizing a California split-spoon sampler and brass sleeves. The sampler will be <br /> driven by dropping a 140-pound weight from a height of 30 inches (blo counts). The blow counts <br /> will be recorded on boring logs. Upon soil sample retrieval,the middle b s sleeve will be removed <br /> from the sampler. The ends of the brass sleeve will be immediately covered with Teflon or aluminum <br /> sheets, sealed with plastic end caps, secured with tape and immediately paced in a chilled container <br /> for transportation under chain of custody to a state-certified laboratory. ach sample sleeve will be <br /> labeled with the boring location, sample depth, sample time, sampling date and sampler's initials. <br /> Duplicate samples will be monitored for the presence of organic vapousing a photo-ionization <br /> detector(PID: Thermo Environmental 580A, 10.0 eV, calibrated to isoblttylene)and will be visually <br /> described on boring logs using the Unified Soil Classification System(�DSCS). <br /> All sampling tools and brass sleeves used for sample collection will be roughly rinsed with clean <br /> water after washing with a solution of Alconox. All hollow stem augers be steam-cleaned prior <br /> to advancement of each borehole. <br /> Advanced GcoEnvuoiwental,Inc. <br />