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Condor Earth '1 cg <br /> hnolo ies, Inc, <br /> 21663 Brian Lane Sonora CA 95370(209)532-0361 <br /> 188 Frank West Circle Suite I Stockton CA 95206(209)234-0518 <br /> June 10, 2008 Condor Project No.3087J <br /> ANNUAL DOMESTIC WASTEWATER SYSTEM <br /> GROUNDWATER MONITORING REPORT <br /> MAY 2008 <br /> Site Address: Sutter Horne Winery(Site) <br /> 18667 Jacob Brack Road <br /> Lodi, California <br /> Client: Trinchero Family Estates <br /> P.O. Box 248 <br /> St. Helena, California <br /> Primary Agency: San Joaquin County Environmental Health Department(SJCEHD) <br /> Copy to: Timothy O'Brien, California Regional Water Quality Control Board, Central <br /> Valley Region <br /> INTRODUCTION <br /> On May 19, 2008, Condor Earth Technologies, Inc. (Condor) conducted annual domestic wastewater <br /> monitoring activities at the above-referenced Site. Data are provided in compliance with Monitoring and <br /> Reporting Program (MRP) Board Order No. R5-2002-0034 dated March 7, 2002. Three domestic <br /> wastewater monitoring wells identified as DWS-1, DWS-2, and DWS-3 were installed by requirement of <br /> the SJCEHD to monitor groundwater quality in the vicinity of the on-Site septic leachfield. Annual <br /> monitoring of these wells is required by the MRP due to shallow groundwater conditions at the Site, <br /> Figures indicating the Site location, monitoring well locations, and groundwater elevation contours <br /> (Figures 1, 2, and 3, respectively) are attached to this report. Also attached are field forms, historic <br /> groundwater monitoring data, and laboratory analytical results. <br /> SAMPLING PROCEDURES AND FIELD OBSERVATIONS <br /> On May 19, 2008, a Condor representative measured water levels at the 10 on-Site monitoring wells and <br /> collected groundwater samples from the three domestic wastewater monitoring wells. All down.-hole field <br /> equipment was decontaminated in the field with a solution of laboratory-grade, non-phosphate detergent <br /> and deionized water and rinsed with deionized water prior to use in each well. All field instruments were <br /> calibrated to manufacturer-recommended standards. The water level in each well was measured to the <br /> nearest 0.01 foot with a battery-operated, flat-tape, water-level meter. A new, disposable, polyethylene <br /> bailer was lowered into each well to collect a field inspection sample. The bailer samples were inspected <br /> for discoloration and odor. The wells were purged with the bailers until at least three well-casing volumes <br /> of water were removed and the electrical conductivity (EC), pH, and temperature of the water stabilized. <br /> The groundwater purged from the wells was discharged to the ground surface. Field forms completed for <br /> the work are attached. <br /> %4 <br /> CONDOR <br />