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Client: <br />Site Location: <br />Well/Boring ID: MW-9C <br />Borehole Depth: <br />2103 Country Club Boulevard, Stockton California <br />Chevron Environmental Management Company, Facility <br />No. 94054 <br />81.5 <br />-40 <br />-45 <br />-50 <br />-55 <br />40 <br />45 <br />50 <br />55 <br />Well/Boring <br />Stratigraphic Description <br />Geologic ColumnELEVATIONDEPTHConstruction <br />40 <br />45 <br />50 <br />55 <br />Dark gray CLAY, high plasticity, soft, wet, no odor. <br />Dark gray Silty CLAY, trace Sand, medium plasticity, medium stiff, wet, <br />petroleum hydrocarbon odor. <br />Dark gray and green Silty CLAY, some sub angular Sand, medium plasticity, <br />medium stiff to soft, wet, petroleum hydrocarbon odor. <br />No Recovery <br />Dark gray CLAY, some Silt, medium plasticity, very stiff, moist, organic odor. <br />= Not Applicable/Available; AMSL <br />samples taken at 10-11.5', 15- <br />bgs = below ground surface; NA <br />= Above Mean Sea Level; Analytic <br />16.5', 20-21.5', 25-26.5', 30-31.5', 35-36.5', 40-41.5', 45-46.5', 55- <br />56.5', 60-61.5', 65-66.5, 70-71.5', and 75-76.5' bgs; Samples <br />analyzed for TPH-GRO by US EPA Method 8260, BTEX and MTBE <br />by US EPA Method 8260; Underground utilities were cleared to a <br />depth of 8 feet one inch bgs using an air knife. <br />REMARKS <br />Page: 3 of 5C:\Users\wdberndg.ARCADIS-US\BIM 360\Arcadis\ANA - CHEVRON CORPORATION\Project Files\94054 - Stockton\2020\30045679\01-DWG\CHEVRON MW-9C BORING LOG_1.CDRBackfilled with <br />Neat Cement and 5% Bentonite Mixture