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i <br /> i 1 . 0 INTRODUCTION <br /> . <br />' On or around August 15, 2000, Aqua Science Engineers, Inc (ASE) was <br /> faxed an undated letter, addressed to the subject-site property owner, <br /> authored by Mr Ronald Rowe of the San Joaquin County Public Health <br /> Services, Environmental Health Division (PHS-EHD) This letter required <br /> the design, installation, operation and maintenance of an interim <br /> remediation system at the site to control documented off-site plume <br /> migration The letter required this work to be performed by no later than <br /> September 30, 2000 (see the letter in Appendix A) The letter went on to <br /> request a workplan detailing the proposed scope of work to meet these <br /> requirements ASE prepared and submitted a workplan for the installation <br />' of an interim remediation system dated September 5, 2000 This <br /> workplan was subsequently approved by the San Joaquin County PHS-EHD <br /> in their letter dated September 7, 2000 (see Appendix A) <br />' 2 . 0 PERMITS <br />' Permits to install and operate the system were applied for and received <br /> from the following agencies <br />�. • The City of Manteca Public Works Department issued an Encroachment <br /> Permit to ASE's subcontractor Crutchfield Construction to install the <br />' underground plumbing between each recovery well and the treatment <br /> system, and from the treatment system to the sanitary sewer <br /> • The City of Manteca Public Works Department issued an Electrical <br /> Permit to ASE's subcontractor Riley Electric to install power from the <br /> service station to the treatment system components <br /> • The City of Manteca Public Works Department issued an Industrial <br /> Wastewater Discharge Permit (No 00-2) to allow for the discharge of <br /> treated groundwater to the City of Manteca sewer <br /> • The City of Manteca Community Development Department issued a <br /> permit to install the security enclosure <br />' Copies of permits are attached in Appendix B <br /> 3 . 0 REMEDIATION SYSTEM COMPONENTS AND INSTALLATION <br />' The remediation system was constructed and installed basically as <br /> Y Y <br /> detailed in the ASE Interim Remediation System Workplan, dated <br /> September 5, 2000 The interim remediation system uses the technology <br /> icommonly referred to as "pump and treat" to create a depression of the <br /> water table in the area north of the USTs and dispensers which, in effect, <br /> Frank's One Stop Interim Remediation System Installation Report — October 2000 <br />' -1- <br />