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Depth from Surface <br /> (Feet to Feet) Description <br /> 24 26 Silty Sand <br /> 26 28 Fat Clay <br /> 28 32 Sandy Fat Clay <br /> 32 34 Poorly Graded Sand <br /> 34 49 poorly graded sand <br /> 49 57 Silty Sand <br /> Casings <br /> Wall Outside <br /> Casing Depth from Surface Casing Casings Screen Slot Size if <br /> Material Thickness Diameter Description <br /> # (Feet to Feet) Type Specifications Type any(inches) <br /> (inches) (inches) <br /> OD:2.375 in. <br /> 1 0 35 Blank PVC Thickness:0.218 0.218 2.375 <br /> in. <br /> OD:2.375 in. <br /> Milled <br /> 1 35 57 Screen PVC Thickness:0.218 0.218 2.375 0.1 <br /> Slots <br /> in. <br /> Annular Material <br /> Depth from Surface <br /> Fill Fill Type Details Filter Pack Size Description <br /> (Feet to Feet) <br /> 0 25 Cement Portland Cement/Neat Cement <br /> 25 29 Bentonite Low Solids <br /> 29 57 Filter Pack Other Gravel Pack #3 sand sand filter pack#3 <br /> Other Observations: <br /> Borehole Specifications Certification Statement <br /> Depth from Surface Borehole Diameter I,the undersigned,certify that this report is complete and accurate to the best of my knowledge <br /> (Feet to Feet) (inches) and belief. <br /> 0 57 8 Name: CONFLUENCE TECHNICAL SERVICES INC <br /> Person,Firm or Corporation <br /> 6821 8th Street Rio Linda California 95673 <br /> Address City State Zip <br /> electronic signature received 05/21/2026 1035255 <br /> Signed: <br /> C-57 Licensed Water Well Contractor Date Signed License Number <br /> DWR Use Only <br /> CSG# State Well Number Site Code Local Well Number <br /> DWR Form 188 rev 10/09/2025 Page 2 of 3 <br />