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GEOTECHNICAL <br /> ENVIRONMENTAL- <br /> WATER RESOURCES <br /> ENGEO CONSTRUCTION SERVICES <br /> Expect Excellence <br /> Project No. <br /> December 17,2014 5044.411.102 <br /> Ms. Susan Dell'Osso <br /> River Islands Development LLC <br /> 73 Stewart Road <br /> Lathrop,CA 95330 <br /> Subject: River Islands Phase 1B <br /> Monitoring Wells MWR-1 and MWR-2 <br /> Lathrop, California <br /> MONITORING WELL DESTRUCTION <br /> Reference: ENGEO,Work Plan for Well Abandonment,River Islands Phase 1B, Monitoring Wells <br /> MWR-1 and MWR-2,Lathrop, California,November 5,2014,Project No. 5044.411.102. <br /> Dear Ms.Dell'Osso: <br /> At your request and with your authorization,ENGEO coordinated the destruction of two monitoring wells <br /> at the subject site. The subject wells are situated west of South Manthey Road and northeast of West <br /> Stewart Road in Lathrop, California. The purpose of our services was to confirm that the well destruction <br /> was accomplished in general conformance with the requirements of the San Joaquin County <br /> Environmental Health Department and the above-referenced approved Work Plan. The destruction of <br /> these wells was approved by the City of Lathrop, the Central Valley Regional Water Quality Control <br /> Board(CVRWQCB), and the San Joaquin County Environmental Health Department. <br /> The monitoring wells were abandoned on November 25, 2014. During well destruction activities, a <br /> county representative conducted a site visit to observe the procedures. <br /> The attached permits indicate that the county was satisfied with the procedures and well abandonment. <br /> Based on our observations, it is our opinion that the well destruction as described herein was <br /> accomplished in general conformance with the requirements of the San Joaquin County Environmental <br /> Health Department and the above-referenced Work Plan. <br /> If you have any questions regardin the contents of this letter,please do not hesitate to contact us. <br /> cmONAL r7 NVMor F0 <br /> Sincerely, ���`�� ACOcJ� FLA <br /> ENGEO Incorporated Q No. 2523 0 No. HG 460 <br /> N <br /> Exp.3/31/2016- CERTIFIED <br /> is CERTIFIED HYDROGEOLOGIST ,f <br /> ENGINEERING S Exp. 7/31/2015 �Q <br /> EOL GIST OF <br /> Z Crawford,CEG TF FO��P Brian Flaherty,C �9TF OF CA��FO�� <br /> CAS <br /> Attachments: Completed San Joaquin County Well and Boring Permit/Pump Permit,City Of Lathrop <br /> Approval Letter,RWQCB Approval Letter <br /> cc: Mr.Johnny Yoakum, San Joaquin County <br /> Mr. Glenn Gebhardt,City Of Lathrop <br /> Mr. Scott Armstrong,CVRWQCB <br /> 580 N.Wilma Avenue,Suite A•Ripon,CA 95366•(209)835-0610•Fax(888)279-2698 <br /> www.engeo.com <br />