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Walter Shockley . -3- August 10, 2010, <br /> ClaimNo. 9384 <br /> B. In-Situ Soil Remediation:'�{ <br /> -METHOD: soil vapor extraction pilot test work pian proposed, July'2010. <br /> C. Groundwater Remediation: <br /> METHOD: ozone sparging r <br /> • DURATION: Jun 04 through present <br /> D. Groundwater Trends: <br /> 0 TPH-D trends are shown below, source area (MW-4) and down gradient <br /> TOTAL PETROLEUM HYDROCARBONS.(TPH)AS DIESEL FUEL(TPHD)Results for MW4 <br /> 1.6E+06 � <br /> 1.2E+06- - ' <br /> 1E+06 l <br /> 804000 —_ -- - ' — ' <br /> ".. .yt— <br /> - 5 600000 <br /> i' 400000 — _ II <br /> 200000 -- --- <br /> TOTAL PETR6LEUM'HYDROCARBONS{T'SP"H)ASiDIESEL FUEL(TPFiD)J i <br /> TOT-AU.PETROLEUM HYDROCARBONS(-rPH)AS DIESEL FUEL(TPHD)Results for MW1 <br /> 180000 <br /> 166000 <br /> *ic! 140000t-.k <br /> ' • 'n <br /> 120000 <br /> IA . <br /> -j 100000 — <br /> ;80000-- - -ice- -- - <br /> 40000-- <br /> 20000 <br /> 4000 20000 -- - -- ----' — - <br /> ta�»a�'TOTAL PETROLEUM HYDROCAR6ONS(TPH)AS DIESEL FUEL(TP.HD)i' <br /> . Y <br /> California En vironmental Protection Agency <br />