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r <br /> M Mir M <br /> TABLE 9 - <br /> SOIL AND GROUND WATER CORRECTIVE ACTION ALTERNATIVES <br /> FoI mer Chase Chevrolet (Van Buren) Facility <br /> 424 North Van Buren Street, Stockton, California <br /> _ Estimated Costs Typical <br /> (incl Estimated <br /> Method Advantages Disadvantages Monitoring <br /> Monitoring and Duration <br /> Maintenance) Requirements <br /> i <br /> Natural Attenuation • Lower costs than most active •Not effective for higher $10,000 to$12,000 Quarterly ground Unknown <br /> (Ground Water) remedial alternatives• Minimal contaminant concentrations• annually water monitoring <br /> disturbance to the site • Potential Migration of contamination <br /> use below structures may occur• Longer time frame <br /> than active remediation • May <br /> not ach1evc,cleanup levels <br /> within reasonable length of <br /> time•Not generally permitted <br /> when free product is present <br /> f <br /> P <br /> = <br /> �lrinurrced GcoLti+ironmcnEai,Inc _ <br />