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Sup*tal Site Investigation Scoping Document <br /> Pittman Elementary School,Stockton,California <br /> January 23,2004 <br /> Page 8 <br /> Table 5—Proposed SSI Sam lin Pro ram Soil Gas Anomal at Northern Site Boundar <br /> Sample Depths Matrix Analvses Method <br /> 2 locations 3 sample intervals between 5 and 25 fee[bgs soil gas <br /> VOCs 4i2-1 5 <br /> soil as VOCs TO-l5 <br /> 1 duplicate sample location 1 sample R <br /> Trip blank purified ai VOCs TO-15 <br /> 4.0 PROPOSED RISK ASSESSMENT PROCESS <br /> Constituents detected in the samples collected for the SSI will be evaluated using the PEA risk and hazard <br /> assessment process detailed in the PEA Guidance document. <br /> 5.0 PROJECT SCHEDULE <br /> Public notice of the planned fieldwork will be initiated after approval of the SSI scope by DTSC. <br /> Notification will be given to DTSC seven days in advance of any planned fieldwork. Fieldwork will begin <br /> within approximately ten days (weather permitting) after approval of this scope by DTSC.The field activities <br /> outlined above can be completed in four days (weather permitting). Laboratory analyses typically require <br /> three to five weeks to complete. Condor can provide a draft report approximately three weeks following <br /> receipt of the laboratory analytical results with a draft final two weeks later. If you have any questions or <br /> require additional information,please call Marikka Hughes at(209) 234-0518. <br /> Respectfully submitted, <br /> CONDOR EARTH TECHNOLOGIES, INC. <br /> Marikka L.L.Hughes Alexander B. Dewitt <br /> Staff Geologist <br /> California Registered Geologist <br /> � <br /> � (O <br /> FO — octo <br /> Z' ALEXANDER B.DEWITI Nl <br /> G� No.7502 <br /> No.042 U, Expires 01 31 04 <br /> ohn H.Kramer,Ph.D. <br /> California Registered Geologist#4228 <br /> California Certified Hydrogeologist#1820 OQ� <br /> P:\3000_pt\3638 CSUS Stockton Campus Elementary School(SUSD)\3638F Pittman School PEASSSI\PITTMAN_SSI_SCOPE_mlh.doc <br /> i <br /> t <br /> �� CONDOR <br />