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December 23,2002 <br /> Job Number: LG02492 <br /> Page 3 <br /> Table 1. <br /> Summary of available ground water information. <br /> Date,Source Groundwater Depth Notes <br /> Two 3-foot deep borings. Neil O. Not encountered No ground water encountered to a <br /> Anderson&Associates,Inc.December depth of Meet. <br /> 12 and 16,2002. <br /> Water sample obtained on November Unknown Water quality test Nitrate-33.8 <br /> 28,2002 from the domestic water well, mg/L as NO3(7.5 mg/L as N). <br /> located at 9301 W. State Route Water quality test DBCP-ND. <br /> Highway 12,Lodi,California,FGL <br /> Laboratory Employee. <br /> Fall 1998,San Joaquin County Flood Less than 10 feet. Gradient and flow direction is <br /> Control and Water Conservation District unknown. <br /> map.' Plates 2 and 4. <br /> Spring 1999, San Joaquin County Less than 10 feet. Gradient and flow direction is <br /> Flood Control and Water Conservation unknown. <br /> District' Plates 3 and 5. <br /> ` Note:ND=Non-Detectable(or not found at detectable limits). <br /> Ehlers Estate Winery contracted directly with FGL analytical laboratory, Stockton California to <br /> collect a water sample from the onsite domestic water supply well. The samples were collected <br /> on November 28, 2002 and were tested for the presence of dibromochloropropane(DBCP) and <br /> Nitrate(NO3). <br /> The test results indicates that DBCP was non-detectable (ND) and nitrate as NO3 was 33.8 <br /> mg/L (7.5 mg(L-N). The result of the nitrate test indicates the ground water is below the <br /> maximum contaminate level set by the United States Environmental Protection Agency of 45 <br /> mg/L-NO3 for nitrate(or 10 mg/L as Nitrate N). Copies of the test were submitted directly to <br /> San Joaquin County Environmental Health Department by Ehlers Estate Winery. <br /> The presence of nitrates and DBCP are not uncommon in shallow ground-water aquifers in San <br /> Joaquin County and other parts of the Central Valley. Nitrate in ground water occurs as a result <br /> of the application of fertilizers, livestock waste, and untreated septic tank waste. Nitrate is <br /> mobile and often accumulates in the shallow ground-water zones. <br /> =QEE}e <br /> 4 <br /> > w <br /> Z <br /> e � <br /> �}soca <br />