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November 10, 1998 <br /> Mr. Jeff Wong <br /> San Joaquin County Public Health Services <br /> Environmental Flea)#h Division <br /> 304 E. Weber Street, Third Floor <br /> Stockton, CA 95202 <br /> Subject- Valley Showcase <br /> 913 W. Fremont Street <br /> Stockton, Califomia <br /> WORKPLAN FOR ORCO PLACEMENT <br /> Dear Mr. Wong: <br /> JJW Geosciences Inc. has recently been retained by the owners of the Valley <br /> Showcase site to carry on-future environmental;servioes for the above-referenced site. <br /> Prior work was performed by William J. Hunter& Associates. JJW Geosciences has <br /> coordinated the change of consultants with William J. Hunter & Assoclates to insure a <br /> smooth transition. <br /> According,to Mr. Bili 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 ;place Oxygen Release <br /> Compound (OR03) in monitoring well MW--2. DRC ► 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 Showcase owners are receiving corrective action reimbursement <br /> through the Cleanup Fund, we will need to obtain pre-approval for placement of the <br /> ORCO. In order for us to do this.we will need a written directive from your affice which <br /> approves placement of ORCO. This workplan outlines our proposed activities so that a <br /> directive may be Issued. <br />