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.r <br /> i <br /> f� <br /> Heading Lawson Associates <br /> _..� Ground water (extraction alternatives) <br /> Vertical extraction system <br /> { ; - Horizontal extraction system <br /> Ground water (treatment alternatives) <br /> ..,.., - Air stripping <br /> - Liquid-phase activated carbon treatment <br /> : s <br /> Biological treatment <br /> i - Ultraviolet hydrogen peroxide o-Nidation <br /> Physical containment } <br /> ss � <br /> i - No action i <br /> - Ground water (disposal alternatives) <br /> Discharge to storm drain <br /> r-� - Discharge to sanitary sewer <br /> Discharge to irrigation district facilities <br /> - Injection to subsurface <br /> Off-site.disposal <br /> $0.11 <br /> ; ) (removal alternatives) <br /> - Unrestricted excavation <br /> { <br /> `-{ Restricted excavation <br /> Soil (treatment alternatives) � <br /> _Aeration - - <br /> Landfarming E <br /> Chemical oxidation <br /> Incineration <br /> r 1 <br /> Soil venting <br /> ' lr <br /> - No action 3 <br /> t <br /> 1s <br /> s <br /> r1r�7 R ✓' - <br /> �9. <br />