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<br />2.1 Permits <br />GHD will obtain necessary soil boring permits as required from San Joaquin County Environmental Health <br />Department (SJCEHD). <br /> <br />2.2 Site Health and Safety Plan <br />GHD will prepare a site safety plan to inform site workers of known hazards and to provide health and <br />safety guidance. The plan will be kept onsite at all times during field activities and signed by all site <br />workers and visitors. <br /> <br />2.3 Underground Utility Location <br />GHD will notify Underground Service Alert (USA) at least 48 hours prior to field activities to clear the soil <br />boring locations with public utility companies. Additionally, GHD will hire a private utility locator to help <br />identify all subsurface lines prior to beginning work activities. Soil boring locations may be modified based <br />on the results of the private utility locate. <br /> <br />2.4 Soil Borings <br />Two borings (B-9 and B-10) will be advanced at the approximate locations shown on Figure 2. The <br />borings will be advanced using a 3-inch diameter hand auger to approximately 12 fbg. Soil encountered <br />in each soil boring will be screened using a photo-ionization detector and logged using American Society <br />for Testing and Materials (ASTM) standard D2488. Soil samples for laboratory analysis will be collected <br />in 6-inch long, 2-inch diameter brass or stainless steel sleeves at approximately 4, 8, and 12 fbg from <br />each boring. Soil samples submitted for chemical analyses will be capped with Teflon, labeled, entered <br />onto a chain of custody form, packed on ice, and sent to Eurofins Lancaster Laboratories (Lancaster) in <br />Lancaster, Pennsylvania. <br /> <br />2.5 Laboratory Analyses <br />Soil samples from borings B-9 and B-10 at 4 and 8 fbg will be analyzed for the following: <br />Naphthalene by EPA Method 8270 (detection limit less than 10 milligrams per kilogram) <br />PAHs (benz[a]anthracene, benzo[a]pyrene, benzo[b]fluoranthene, benzo[k]fluoranthene, chrysene, <br />dibenz(a,h)anthracene, and indeno(1,2,3-cd)pyreneby) by EPA Method 8270C SIM <br />Soil samples from borings B-9 and B-10 at 12 fbg will be analyzed for the following analyses: <br />TPH as diesel (TPHd) with 10-gram silica gel cleanup and TPHg by EPA Method 8015M <br />Oil and grease (TOG) by EPA Method 1664A <br />Full scan volatile organic compounds (VOCs) by EPA Method 8260 <br />Fill scan semi-VOCs (SVOCs) by EPA Method 8270C <br />11153683-RPT-02-SITE ASSESSMENT WORK PLAN 3