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Decem ba 16,2W2 <br /> Job Number,LGOI-2I3 <br /> Page <br /> .r <br /> period of 12 hours prior to collection of the siunple. The analysis indicated that nitrate was <br /> found at 77 mgl',,NO3 for the June 28, 2002 sample. This level is approximately 1.7 times <br /> higher than the drinking water limit for nitrate. <br /> 1 he occupants of the residence on site were verbally notified regardint;the his;h nitrate <br /> level me aured in the well water by Rollin Hall (if our office. We understand that the o-t-�Jpznt; <br /> _ had been thing bottled water for consumption. Tablc-2 provides a summary of the ground watct <br /> infunnation availabW for the site- <br /> Table 2. <br /> Summary of Available Ground [Water Information-. <br /> t torr_De%cription,Source--_ —C;rauntl.rAtrr DrP1h motes <br /> Parr 0 2(XI r~ 444x-►t eat l raumv Aoit [irrater thin 10_'cm to d&p1h No L"UUTA a•sta7 fnUTA to a <br /> bori,:g,Neil Ct.Anderson& socialm trad depth of 10 feat <br /> Inc, <br /> June 7,200..feast}quad-waler sample C'►:ou;ud-water dL—,Ih net mcasurcJ Nivair; 120 jmP)L-NO,- <br /> obtained from ffic misting domestic well in well � I)BC=Pt Not Dci-tcd <br /> hme 28.2002.sewed grouted-waiur sampte 'Grou:.d-waiL.T doth not mcar'urcd h'itmw 77 mjtA N(.); <br /> Obtained frcvm the existing dnmrstic sell_ in welL <br /> Neil 4.Anderson&Assoc.,Inc. <br /> Fall 101,SanJmquin Ownty Grmmd About 23 (cw to depth €;radia-[above S3 fVini, <br /> r Waw MW_ Sm Phics 2-&4. .-. [lowing aatth <br /> Sprittsg_•F994, SmJaayum Cuwity Citwtid About 23 foie in d_7ah GrAditnt abou!5.01 it mi, <br /> ' aaer Mzls Sae Plabc 3& S flowing nortLwest. <br /> 1 - The presence of nitrates and DBC.P are not uncommon in shallow ground-water aquifers <br /> in Sail,Jcwquin County and other parts of the Central Valley. Nitrate in grouwA water occurs as a <br /> result of the application of fertilizers, livestock waste, and untreated septic lank waste, Nitrate is <br /> mobil,and often accumulates in the shallow ground-water Tones. <br /> In the,early 19DO's,natural lcvels of nitrate in ground water were measured in font'-the. <br /> (43) welts thfaughaut-tl-e Sacramento-Valley by Bryan.' It was thought that Smmnd watcr at that <br /> 1 Rry-cv,X, 1923. r=wutc"of SaowwInm Vatfey.of C'otitomia:US- <br /> t"rec}JOS!tal SurWy WXW_4"%uWly.P_ •�95. 2R5p, <br /> ami <br /> 4 <br />