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f <br /> lot— -%�43 <br /> CONDOR EARTH TECHNOLOGIES INC <br /> 188 Frank West Circle Suite I <br /> Stockton CA 95206 <br /> Phone 209.234.0518 <br /> FAX 209.234.0538 <br /> CONDOR www.condorearth.cam <br /> WASTEWATER SYSTEM nl E E V 50 l <br /> ANNUAL DOMESTIC S <br /> GROUNDWATER MONITORING REPORT JUL 2 8 2005 <br /> MAY 2005 <br /> ENVIROWNIENT HEALTH . <br /> Condor Project No.3087G PERMIT/SERVICES <br /> July 22, 2005 <br /> Site Address: Sutter Home Winery <br /> 18667 Jacob Brack Road <br /> Lodi, California <br /> Client: Trinchero Family Estates <br /> P.O.Box 248 <br /> St. Helena, California 94574 <br /> Primary Agency: San Joaquin County Environmental Health Department <br /> Copy to: Timothy O'Brien, California Regional Water Quality Control Board, Central <br /> Valley Region <br /> This is a report of the results of the annual domestic wastewater system groundwater monitoring event <br /> conducted on May 5 and 9, 2005, at the above-referenced Site. Data are provided in compliance with <br /> Monitoring and Reporting Program (MRP) Board Order No. R5-2002-0034 dated March 7, 2002. Three <br /> monitor wells identified as DWS-1, DWS-2, and DWS-3 were installed by requirement of the San <br /> Joaquin County Environmental Health Department (SJCEHD) to monitor groundwater quality in the <br /> vicinity of the on-Site septic leachfield. The SJCEHD maintains oversight of the domestic wastewater <br /> system. Annual monitoring of these wells is required by the MRP due to shallow groundwater conditions <br /> at the Site. Figures indicating the Site location, monitor well locations, 'and groundwater .elevation <br /> contours (Figures 1, 2, and 3, respectively) are attached to this report. Also attached are field forms and <br /> I laboratory analytical results. <br /> SAMPLING PROCEDURES AND FIELD OBSERVATIONS <br />` On May 5, 2005, a Condor representative was on Site to collect groundwater samples from the three <br /> domestic wastewater monitor wells in response to the MRP. Water level measurements were mistakenly <br /> measured for each well prior to the purging and sampling of each well rather than measuring all of the <br /> wells in one survey prior to any well purging. After waiting for groundwater levels to stabilize and return <br /> to static water level across all ten wells, Condor returned to the site on May 9, 2005; water level <br /> measurements were then recorded-according to standard procedure. All field instruments were calibrated <br /> to manufacturer recommended standards. All down-hole field equipment was decontaminated in the field <br /> by wiping with an isopropyl alcohol wipe and then rinsing with deionized water. The water level in each <br /> well was measured to the nearest 0.01 foot with a battery-operated, flat-tape, water level meter. A new, <br /> disposable, polyethylene bailer was lowered into each well to collect a field-inspection sample. The bailer <br />