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f <br /> November 10, 9998 <br /> Mr, Jeff Wong <br /> San Joaquin County Public Health Services <br /> Environmental Health Division <br /> 304 E_ Weber Streel, Third Floor <br /> Stockton, GA 95202 <br /> Subject: Valley Showcase <br /> 913 W. Fremont Street <br /> Stockton, Califomis <br /> WORKPLAN FOR ORCO PLACEMEN' <br /> Dear Mr. Wang: <br /> JJW Geosciences Inc. has recently been ,retained by the owners of the Valley <br /> Showcase site to carry on, future environmental services for the above-referended site. <br />` Prior work was performed by William J. Hunter & Associates. JJW Geosciencaes has <br /> coordinated the change of consultants with William J. Hunter &Associatas to insure a <br /> smooth transition. <br /> A=rding to Mr. Bill Hunter, of William J. Hunter$: Associates, the status of the Valley <br /> Showcase site has recently consisted of quarterly monitoring and sampling: Mr. Hunter <br /> indicated that you recently approved (verbally) a plan to piece Oxygen Release <br /> Compound (ORCIO) in monitoring well MW-2. ORCO can be an effective means of <br /> stimulating an increase in natural biodegradation of the petroleum hydrocarbons. <br /> Monitoring well MW--2"has typically been the "hot'well at the site. <br /> Since the Valley Shoytrt<ase owners are receiving corrective action reimbursement <br /> through the Cleanup Fund, we will need to obtain pre-approval for placemW of the <br /> ORCO. In order for us to do this, we will need a written directive from your office which <br /> approves placement of CIRCO. This workplan outlines our proposed activities so that a <br /> t directive may be issued. <br /> i <br /> l _. <br />