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r � <br /> �KL KLEIN FELDER <br /> 3.4 GROUNDWATER SAMPLING <br /> The new monitoring wells near the 84 million gallon storage pond will be incorporated into the <br /> quarterly sampling schedule after installation. During the quarterly sampling event water level <br /> measurements will be made in the monitoring wells prior to development,purging and sampling the <br /> wells. The depth to groundwater will then be measured in each well according to the protocol <br /> described in Appendix A Section A-4.1. It anticipated that the monitoring wells will be sampled on <br /> a quarterly schedule. <br /> Approximately three to five well volumes will be purged by pumping or hand bailing. The <br /> groundwater samples will be collected as described in Appendix A-4.2. Each of the water samples <br /> collected for quantitative analyses will be submitted under chain-of-custody control to a <br /> laboratory certified by the State of California Department of Health Services (DHS) for the <br /> requested analyses. <br /> 3.5 LABORATORY ANALYSIS <br /> The new monitoring wells near the 84 million gallon storage pond will be incorporated into the <br /> quarterly sampling schedule after installation. After collection,the 3 new groundwater samples will <br /> be labeled, logged on a chain-of-custody, and immediately stored in an iced cooler. The 3 <br /> groundwater samples will be submitted to a State certified laboratory and analyzed for at least the <br /> following analyses: <br /> e Nitrates as Nitrogen by EPA Method 300.0 <br /> • Total Kjeldahl nitrogen By EPA Method 351.4 <br /> • Total Dissolved Solids by EPA Method 160.1 <br /> • Fixed Dissolved Solids by Standard Method 2500 <br /> • Chloride by EPA Method 300.0 <br /> • Sulfate by EPA Method 300.0 <br /> • General Minerals by EPA Methods <br /> • Boron by Standard Method 4500 B <br /> • Biochemical Oxygen Demand by EPA Method 405.1 <br /> a Ammonia by EPA Method 350.1 <br /> Specific Conductivity by EPA Method 120.0 <br /> • pH by EPA Method 150.1 <br /> General Minerals to include: bicarbonate alkalinity, carbonate alkalinity, calcium, magnesium, potassium, sodiurn, <br /> and boron. <br /> The samples will be analyzed on a normal laboratory schedule requiring approximately two <br /> weeks (ten working days) for completion. <br /> 13498.WP2/ST02R534 Page 7 of 13 <br /> Copyright 2002,Kleinfelder,Inc. September 26,2002 <br />