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Nestle USA, Inc., Ripon, California May 6, 2011 <br /> First Quarter 2011 Site Status Report <br /> o Twelve domestic wells, including one at the Ripon Christian School (RC- <br /> 1) and one at the Ripon Public School (RPS-1) (grab sample from <br /> sampling port). <br /> • The well at 415 Parallel Avenue was not sampled because there was no access <br /> to the property. The property has been condemned by the City of Ripon and <br /> ECM personnel confirmed the property was not unoccupied during the sampling <br /> period. <br /> ECM sent all of the samples to TestAmerica Laboratory in Pleasanton, California for <br /> analysis using either United States Environmental Protection Agency (USEPA) Method <br /> 8260B or USEPA Method 524.2, as required by the Monitoring and Reporting Program <br /> (MRP R5-2010-0810). Figure 3 through Figure 5 depict the potentiometric surface <br /> maps for the Upper, Intermediate, and Lower aquifers. Table 1 through Table 5 present <br /> pertinent well information, water level elevation, and water quality analytical data. <br /> Appendix A and Appendix B include field log and laboratory data with chain of custody <br /> information, respectively. <br /> Please feel free to contact me at (661) 255-1693 with any questions or concerns. <br /> Sincerely, <br /> Environmental Cost Management, Inc. <br /> Binayak Acharya Brent Searcy, P.E. <br /> Program Manager Senior Enginee <br /> Attachments: Figures (5) �► SC- ' <br /> Tables (5) <br /> Appendices (2) , <br /> :x WO,C666417•< <br /> Exp, (4 1361122 <br /> 4S} CMV <br /> cc: Mike Desso— NUSA (CD) OF CA <br /> Distribution List <br /> Page 2 of 2 <br />