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KLE/NFELDER <br /> ' �&iDtPoeple.X19Ft5olutiont <br /> 3.1.3 Chemical Analysis of Groundwater Samples <br /> ' Each of the groundwater samples collected for quantitative analysis was submitted <br /> ' under chain-of-custody control to the following laboratories: <br /> • California Laboratory Services (CLS) of Rancho Cordova, California. <br /> ' • FGL Environmental of Stockton, California <br /> ' CLS and FGL Laboratories are accredited by the State of California Department of <br /> Health Services (DHS) for the requested analyses. Samples were analyzed on a regular <br /> ' laboratory turnaround schedule, requiring approximately 10 to 12 working days for <br /> receipt of analytical data. <br /> ' The water samples were analyzed for the following: <br /> • pH by Standard Method (SM) 4500-H+B <br /> • Total Dissolved Solids (TDS) by SM 2540C <br /> ' • Nitrate as Nitrogen by EPA Method 300.0 <br /> Total Kjeldahl Nitrogen (TKN) by SM4500-NorgC <br /> • Ammonia as Nitrogen by SM4500-NH3-D <br /> • Total and Fecal Coliform Organisms by SM 9221B <br /> For additional information regarding the chemical analysis, please refer to the <br /> laboratory data sheets in Appendix C. <br /> 3.2 VADOSE ZONE MONITORING <br /> On September 16, 2011, eight soil borings were advanced within process wastewater <br /> ' application areas and background locations from areas within the site boundary that <br /> have reportedly not received process wastewater. Three soil samples were collected <br /> ' from each boring at approximate depths of 6-inches, 3-feet, and 6-feet below the <br /> ground surface (bgs). Three of the sampling locations (B-2, B-3, and B-4) were chosen <br /> to assess the soil within the McKinley Avenue rapid infiltration area. One vadose zone <br /> background sampling location (B-1) was chosen in a nearby area of the subject <br /> 101486.4/ST011 R242 Page 8 of 17 October 31, 2011 <br /> ' copyright 2011 Kleinfelder <br />