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Luhdorff F <br /> Scalmanini <br /> Consulting Engineers <br /> July 11, 2023 Project No. 22-1-173 <br /> Jeffrey Wong <br /> Lead Senior Registered Environmental Health Specialist <br /> San Joaquin County Environmental Health Department <br /> Stockton, CA 95205 <br /> SUBJECT: City of Lathrop ASR Test Hole/Monitoring Well#2 <br /> Dear Mr. Wong, <br /> During the construction of Test Hole/Monitoring Well #2 at 950 Stewart Road, Lathrop, CA 95330, <br /> Luhdorff&Scalmanini, Consulting Engineers (LSCE) will notify the San Joaquin County Environmental <br /> Health Department (EDH) prior to the placement of the sanitary and surface seals. LSCE will provide <br /> enough notice for EDH to be present at the well site in order to witness placement of the grout at (1)the <br /> borehole bottom, (2) at the deep well sanitary seal, (3)the shallower well sanitary seal, and (4)the top <br /> cement sanitary seal. <br /> Sincerely, <br /> LUHDORFF &SCALMANINI <br /> CONSULTING ENGINEERS <br /> Andrew Francis, PG <br /> Project Hydrogeologist <br /> 500 First Street,Woodland,CA 95695 • Tel.530.661.0109 • Fax.530.661.6806 • Isce.com <br />