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Mr. Mike Owens - 2- 7 September 2000 <br /> initial purge of three casing volumes. If the well goes dry before purging three casing volumes, <br /> sampling may occur as soon as well volume has recovered to 80% of its original amount. <br /> 3. The analytical laboratory should report any trace values detected at concentrations between the <br /> Practical Quantitation Limit and the Method Detection Limit. Please ensure that they are doing <br /> this. <br /> Your letter of 20 June asks which, if any of the Fox River wells are impacted by Nestl6's volatile <br /> organic compound(VOC)plume. Regional Board staff discussed the possible VOC groundwater plume <br /> with you and your colleagues, Mr. Mickelson, Mr. Bob Arriola, and Mr. Pete Bertonis, during a meeting <br /> at your office on 6 July 2000. As you know,Nestle conducted sampling of some of the Fox River <br /> intermediate zone wells later in July. To my knowledge,Regional Board staff has not yet received the <br /> results of the analyses performed for those wells. However, I will review the data when it is available <br /> and I will provide Fox River with a copy of the data, as necessary. In addition,Nestle has indicated to <br /> Regional Board staff previously that purge water from Fox River wells that are impacted by the VOC <br /> plume could be discharged to their treatment unit if the levels of contaminants within the purge water are <br /> high enough to make that necessary. If you have any questions or comments, please contact me at (916) <br /> 255-3137. <br /> L ` <br /> WENDY W. ARANO <br /> Associate Engineering Geologist <br /> Attachments <br /> CC. Ms. Alison Youngblood, San Joaquin County Environmental Health Division, Stockton <br /> Mr. Marcus Pierce, Central Valley Regional Water Quality Control Board, Sacramento <br />