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Monthly Treatment System Performance Report <br /> Month: October-10 <br /> Submitted by: Nestle USA, Inc. <br /> Submittal Date: 19-Nov-10 <br /> System Performance for Groundwater Treatment System',2 <br /> EU-3&EU-4 <br /> Constituents of Concern Units Industrial Avenue <br /> Sample Location 10/5/2010 10/19/2010 <br /> TCE NR NR <br /> 1,1-DCE NR NR <br /> cis-1,2-DCE NR NR <br /> Influent trans-1,2-DCE µg/L NR NR <br /> Chloroform NR NR <br /> VC NR NR <br /> TCE <0.50 NR <br /> 1,1-DCE <0.50 N R <br /> Carbon Middle (Industrial cis-1,2-DCE <0.50 NR <br /> Avenue) trans-1,2-DCE µg/L <0.50 NR <br /> VC <0.50 NR <br /> Chloroform <1.0 NR <br /> TCE NR NR <br /> 1,1-DCE NR NR <br /> cis-1,2-DCE NR NR <br /> Carbon Effluent trans-1,2-DCE µg/L NR NR <br /> VC NR NR <br /> (Industrial Avenue) Chloroform NR NR <br /> Temperature °C 20.2 22.5 <br /> pH Su 7.33 7.25 <br /> Conductivity µS/cm 1,250 1,200 <br /> Treatment System TCE NA NA <br /> Removal Efficiency DCE % NA NA <br /> VC NA NA <br /> Chloroform NA NA <br /> Notations <br /> µg/L = Micrograms per liter µS/cm = Microsiemens per centimeter <br /> Su = Standard units N/A Not analyzed <br /> TCE = Trichloroethylene NA Not applicable <br /> DCE = Dichloroethylene VC = Vinyl Chloride <br /> ND = Not Detected NR Sampling Not required <br /> 1. Sampling frequencyis in accordance with Monitoring and Reporting Program (MRP) No. R5-2010-0810, issued by <br /> the Central Valley Regional Water Quality Control Board on April 19, 2010. <br /> 2. The Stockton Avenue System was turned off on October 1, 2010. <br /> Page 2 of 4 <br />