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PUBLIGHEALTH SERVICES <br /> SAN JOAQUIN COUNTY <br /> ENVIRONMENTAL HEALTH DIVISION <br /> Karen Furst, M.D., M.P.H., Health Officer . <br /> 304 East Weber Avenue,Third Floor • Stockton, CA 95202 <br /> 209/468-3420 <br /> o <br /> AMERCO REAL ESTATE CO <br /> REID RINER <br /> 2721 N CENTRAL AVE STE 700 FILE COPY <br /> PHOENIX AZ 85004 <br /> RE: U-Haul #709-50 Site Code: 1772 <br /> 2701 N. Wilson Way RO#: 00574 <br /> Stockton, CA., 95215 <br /> WORK PLAN: "Investigative and Remedial Testing Activities." <br /> DATED: November 8, 2001. <br /> PREPARED BY: Blaes Environmental Management Inc.- Brett McDaniels. <br /> STATUS: APPROVED (with conditions listed below). <br /> [X] ADDENDUM NEEDED. Submit by: January 15, 2002. <br /> ADEQUATE AND NECESSARY ELEMENTS OF THE WORK PLAN rH&S <br /> 25299.37, subd(c)(3)1: <br /> • Install three 2-inch groundwater monitoring wells, one 1.5-inch PVC air <br /> sparge well, one `nested', two-casing, 2-inch each, PVC soil vapor <br /> extraction wells and, <br /> • Conduct bio-feasibility analyses of soil and, <br /> • Conduct a soil vapor extraction test using new air sparge well, new <br /> vapor wells, and existing groundwater monitoring wells onsite and, <br /> • Conduct a groundwater aquifer pump test and, <br /> • Analyze selected soil, vapor, and groundwater samples for TPHg, BTEX, <br /> and MtBE and other oxygenates, (TBA, TAME, DIPE, EtBE) and, <br /> • Characterize and properly dispose of soil cuttings and purge/pump-test <br /> groundwater (--1000 gallons) and, <br /> • Include new monitoring wells in quarterly monitoring and reporting and, <br /> • Submit report of findings to PHS-EHD. <br /> COMMENTS AND CONDITIONS: (to be included in addendum) <br /> • Proposed groundwater monitoring wells shall not have greater than 20' <br /> of screened interval. Provide either a multi-cased well (nested well) or <br /> multiple single-cased monitoring wells in area very close to proposed <br /> location (clustered) and, <br /> A Division of San Joaquin County Health Care Services <br />