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U-Haul #709-50 page 2 <br /> 2701 N. Wilson Way, Stockton. <br /> Additionally, soil analyses for EDB and Lead may be needed to support <br /> delineation conclusions that will be required in the Site Conceptual Model (SCM), <br /> due for this site. <br /> The report of findings for this phase of work should be formatted in the context of <br /> a SCM, that will be added to as additional data is acquired. In order to support <br /> plume (groundwater) delineation conclusions, future quarterly groundwater <br /> monitoring sampling events should be modified to include all of the above noted <br /> analytes if they are detected in soil samples from this phase. After at least four <br /> consecutive quarterly ground water sampling events verify that these analytes <br /> are not present at acceptable QA/QC levels, you may request from EHD that <br /> they be eliminated from your sampling protocol. <br /> Please note that MW-8A is atypical when compared to the other seven A-zone <br /> wells. MW-8A contains water since its' screened interval extends below 50 feet. <br /> All the other A-zone wells end at 50 feet or less and are dry. The ten other <br /> monitoring wells at this site with screen intervals extending to 60 feet or deeper <br /> are designated as B-zone wells. EHD recommends MW-8A designation be <br /> changed to MW-8B since its' screen interval is more like that of MW10B, <br /> MW 11 B and MW 12B. <br /> As of this date, EHD is unaware of any progress made to transfer Frontier Motel <br /> drinking water well/supply from wellhead treatment to the municipal/city water <br /> supply. Once U-Haul obtains eligibility with the SWRCB-Clean Up Fund, the <br /> financial review could determine that U-Haul has not provided a cost-effective <br /> approach to providing potable water for Frontier Motel, and as such, some/all of <br /> the costs may not be reimbursed. U-Haul is to take immediate and effective <br /> measures to evaluate if wellhead treatment for this long period can be <br /> interpreted as cost-effective when compared to the cost to connect Frontier <br /> Motel to a permanent and safe municipal water supply. <br /> You may contact Michael Infurna at (209) 468-3454 if you have any questions. <br /> Donna Heran, REHS, Director <br /> Enviro mental H�ealt e artment <br /> Michael J. Infurna Jr., Seni r REHS Margaret Lagorio, HS <br /> LOP / Site Mitigation, Unit IV Supervisor <br /> MI <br /> c: Frontier Motel — Jack Khatri, 2639 N. Wilson Way, Stockton , CA. 95205 <br /> c: Blaes Environmental — S. Woodhull, 1433 N. 3rd Ave, Phoenix, AZ. 85003 <br /> c: CVRWQCB — J.L. Barton, Sacramento. <br /> c: SWRCB-Clean Un Fund — Mark Owens, Sacramento. <br />