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1 <br /> 10 August 1999 <br /> . AGE-NC Project No 97-0333 <br /> ' Page 4 of 9 <br /> • Receptor survey, <br /> • Preparation of Corrective Action Plan <br /> 3 I PERMITTING AND PRE-FIELD WORK ACTIVITIES <br /> Applicable site assessment permits will be obtained from the PHS-EHD In addition, an update to <br /> the health and safety plan presently on-file will be prepared in accordance with Occupational Safety <br /> ' and Health Guidance Manual for Hazardous Waste Site Activities (National Institute for <br /> Occupational Safety and Health Administration, U S Coast Guard and U S Environmental <br /> Protection Agency, 1985) Prior to mobilization, each monitoring well location will be clearly <br /> ' marked and a utility clearance obtained through Underground Service Alert <br /> ' 32 DRILLING <br /> l <br /> AGE proposes to install one AS well and two SVE wells at the site for a pilot study Proposed AS <br /> ie NA ell and SVE well locations are illuslydied in Figurc 2 <br /> Based on soil and ground water contamination encountered beneath the former USTs,AGE proposes <br /> advancement of the AS and SVE wells in the following locations <br /> ' 8 One dual-completed AS/SVE well located less than 5 feet north of boring P-5, and <br /> R One SVE well located between 5 and 10 feet east of boring P-4 <br /> The proposed SVE wells will be advanced to approximately 20 feet bs and the AS well advanced <br /> � p p pp Y g <br /> ' to 30 feet bsg utilizing a truck-mounted, hollow stem drill rig equipped with 8-inch and 10-inch <br /> diameter hollow-stem augers Total depths of borings may vary according to hydrogeologic/geologic <br /> conditions encountered during drilling activities <br /> Selected soil samples will be analyzed by a State of California Department of Health Services <br /> (DHS)-certified laboratory for the following constituents <br /> ' * Total petroleum hydrocarbons quantified as gasoline (TPH-g) in accordance voth EPA <br /> Method 8015 Modified/5030, <br /> ' E Volatile aromatic compounds benzene, toluene ethyl benzene and xylenes (13TEX) and <br /> . meth)1 tcrt-but}1 ether (MTBE) in accordance with EPA Method 8020 and <br /> ' 4diarrcedGeoFmoronmental Inc <br /> 1 <br />