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AC,vancedGL.4o <br />Environmental <br />GEOPROBE STANDARD OPERATING PROCEDURES <br />AGE has prepared the following for submission as a SOP for soil borings. <br />The scope proposes to advance soil probe borings for collection of soil and groundwater <br />samples to assess the lateral and vertical extent of petroleum hydrocarbon impact to the <br />subsurface of the site. The scope of work will include the following tasks: <br />Permitting and pre-field work activities; <br />Advancement of soil borings for collection of soil and grab groundwater samples; <br />Sample analysis; <br />Soil boring destruction; and <br />Data report preparation. <br />PERMITTING AND PRE-FIELD WORK PREPARATIONS <br />Applicable site assessment permits will be obtained from the oversight agencies <br />(SJCEHD). In addition, a site specific health and safety plan will be prepared in <br />accordance with Occupational Safety and Health Guidance Manual for Hazardous Waste <br />Site Activities (National Institute for Occupational Safety and Health Administration, U.S. <br />Coast Guard and U.S. Environmental Protection Agency, 1985). Prior to mobilization, <br />each soil boring will be clearly marked and a utility clearance obtained through <br />Underground Service Alert. The permitting agency will (SJCEHD) be contacted at least <br />48 hours prior to conducting any field work. <br />SOIL PROBE BORING AND SAMPLING <br />AGE proposes to advance soil probe borings utilizing direct push drilling technology to <br />assess the lateral and vertical extent of petroleum hydrocarbon or other impacts to the <br />subsurface of the site. Proposed soil boring locations are depicted in Site Plan Figure. <br />Discrete soil samples will be collected from each boring at five-foot intervals or other pre- <br />determined intervals. Grab groundwater samples might be collected if static groundwater <br />is encountered during the advancement of shallow soil borings (within the proposed <br />sampling depths). While, shallow soil-vapor samples will be conducted in shallow borings. <br />However, field personnel may adjust the frequency and method of sampling in <br />consultation with an AGE Professional Geologist. Additional soil borings will be proposed <br />within the first scope of work, if field detections of petroleum hydrocarbons are present in