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groundwater (4Q19) was around 35 ft bgs. Deeper groundwater sampled as part of the Ranch Market case <br /> remained only minimally impacted, so I don't believe there is a need to assess deeper groundwater. <br /> I have summarized the proposed borings in the table below and the attached figure. <br /> Please let me know if you have any questions or wish to discuss. <br /> Boring Depth Soil Sampling Groundwater Sampling <br /> Depth Analysis Depth Analysis <br /> (ft bgs) (ft bgs) (ft bgs) <br /> TPHg,TPHd, BTEX, MTBE, <br /> 5 & 10 1 25 naphthalene, PAHs <br /> F15, 20, 25 TPHg,TPHd, BTEX, MTBE -- -- <br /> 2 —35 5 & 10 TPHg,TPHd, BTEX, MTBE, _35 TPHg,TPHd, <br /> naphthalene, PAHs BTEX, MTBE <br /> 3 TPHg,TPHd, BTEX, MTBE, TPHg,TPHd, <br /> 4 "35 5 & 10 naphthalene �35 BTEX, MTBE <br /> 5 "'35 -- -- ^35 <br /> TPHg,TPHd, <br /> BTEX, MTBE <br /> AL2va , M. P.G. <br /> Engineering Geologist UST Enforcement Unit <br /> Central Valley Regional Water Quality Control Board <br /> California Professional Geologist#9340 <br /> 11020 Sun Center Drive, Suite 200, Rancho Cordova, CA 95670 <br /> Phone 916.464.4615 1 Fax 916.464.4704 <br /> aIan.buehler@waterboards.ca.gov <br /> I0j <br /> 2 <br />