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AdvancedGeo <br />Environmental <br />"Ogg <br />13 June 2018 <br />AGE-NC Project No. 04-1239 <br />Page 2 of 6 <br />2.1. PERMITTING AND PRE-FIELD WORK ACTIVITIES <br />Applicable drilling and site assessment permits will be submitted to the San Joaquin <br />County Environmental Health Department (EHD). As required by EHD permitting, a health <br />and safety plan will be prepared in accordance with Occupational Safety and Health <br />Guidance Manual for Hazardous Waste Site Activities (National Institute for Occupational <br />Safety and Health Administration, U.S. Coast Guard and U.S. Environmental Protection <br />Agency, 1985). Prior to drilling activities, each proposed drilling location will be clearly <br />marked and a utility clearance obtained through Underground Service Alert. <br />2.2. DRILLING AND SAMPLING <br />AGE proposes to drill one shallow soil boring (SV-1) at the site as part of a soil-vapor <br />investigation and to evaluate potential shallow soil impact and soil vapor intrusion. The <br />proposed soil boring location is illustrated on Figure 2. <br />Based upon laboratory results of soil samples collected during the investigation, AGE <br />proposes the soil boring location in the following areas: <br />Soil boring SV-1 will be located adjacent the northwest edge of the former UST <br />area, approximately 10-15 feet northwest of well DPE-1. <br />Soil and soil-vapor samples will be collected from borings SV-1 at depths of approximately <br />5 feet (soil) and 6 feet (soil-vapor) below surface grade (bsg), respectively. Field <br />procedures for advancement of soil borings, collection of soil sample, installation of soil- <br />vapor sampling points and collection of soil and soil-vapor samples are presented in <br />Section 3.2. <br />Soil samples will be analyzed by a State of California Department of Public Health <br />Services (CDPH)-certified laboratory for the following constituents: <br />Total petroleum hydrocarbons quantified as gasoline (TPH-g) in accordance with <br />EPA Method 8015M; and <br />Volatile aromatic compounds (VOCs) including benzene, toluene, ethylbenzene, <br />and total xylenes (BTEX), naphthalene, fuel oxygenated compounds (MTBE, <br />DIPE, TAME, ETBE, TBA), 1,2-dichloroethane (1,2-DCA) and ethylene dibromide <br />(EDB) in accordance with EPA Method 8260B. <br />Soil-vapor samples will be analyzed by a State of California Department of Public Health <br />Services (CDPH)-certified laboratory for the following constituents: <br />Total petroleum hydrocarbons quantified as gasoline (TPH-g) in accordance with <br />EPA Methods TO-15;