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valuate existing site data to identi <br /> Document Review historical site features. Conduct site <br /> walk to review utility locations and lay <br /> Site Walk ut <br /> Sanitary Sewer <br /> Discuss with RWOCB <br /> Investigation <br /> 3. <br /> Confirm locations of planned investigation <br /> points. <br /> .iii <br /> Beacon passive soil <br /> he Primaryea and also atidential locations. <br /> Soil Gas <br /> Sampling <br /> -< <br /> i <br /> ove Beacon passive soil gas 2b.Screen results agaiOW n BELLow Priority A Building <br /> les and submit to lab for VOC st SF ESL and discuss <br /> analysis. with RWOCB. No additional sampling. <br /> W <br /> 0 <br /> m <br /> a <br /> 2c.Coduct subslab and,indoor <br /> air/outdoor air sampling. <br /> 2d.Conduct 2nd round of soil <br /> gas sampling. <br /> Indoor/Outdoor <br /> Air and Sub-Slab <br /> Sampling <br /> Groundwater and <br /> Soil Sampling <br /> 2. <br /> Collect groundwater grab samples near the <br /> top of the water table(anticipated to be <br /> approximately 25 feet bgs). 3 grab <br /> groundwater samples will be collected and <br /> analyzed for VOCs <br /> by EPA Method 8260B. <br /> Elvaluation Summarize investigation results and <br /> provide recommendations for additional <br /> in and/or mitigation steps. <br /> APTIM <br /> Figure 5 <br />