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GEOTECHNICAL <br /> NEIL O. ANDERSON ENVIRONMENTAL <br /> A N D A S S O C I A T E S INSPECTIONS a TESTING <br /> LABORATORY SERVICES <br /> � <br /> E <br /> �;�rl ^Ir? POOL ENGINEERING <br /> I`Il\�J POST TENSION DESIGN <br /> September 22, 2008 SEP 2 3 2�G8 <br /> NOA Project Number:-LGS080537 EUVI,,10M iEN I �I"tAL3H <br /> PER N1 IT/SERVICES <br /> Lisa Medina <br /> San Joaquin County Environmental Health Department <br /> 600 East Main Street <br /> Stockton, CA 95212 <br /> Re: Brovelli Woods Property <br /> 25050 North Wild Hare Lane <br /> Acampo, California <br /> Dear Lisa, <br /> The following discussion concerns an unmarked windmill well encountered on the property, the <br /> revised APN number for the property and the water sample constituent results from the well tested <br /> at the address 25050 North Wild Hare Lane, Acampo, California. <br /> Unmarked Well and Revised APN <br /> According to Lisa Medina, Inspector at the San Joaquin Environmental Health Department (EHD), <br /> there is an open well on Parcel 2 of the subject property. The well is beneath a windmill pump <br /> near the northernmost portion of Parcel 2 (site map). The EHD will address this issue. <br /> The subject property is listed on several documents with the APN number: 003-100-25. According <br /> to EHD records, this APN no longer exists. The property is identified in their records under the <br /> APN: 003-100-29. The EHD has requested we make a note of this change. <br /> Water Sample Constituents <br /> The water sample was analyzed for nitrate and DBCP. DBCP nor Nitrate were detected in the water <br /> sample. The well water sample was taken from the domestic well on site by Mr. Jessen Welch of <br /> our office on August 27, 2008. The analytical reports prepared by FGL Environmental are attached. <br /> Well construction, seals, age and depth of the well screens may play significant part in assessing <br /> the levels of nitrate and DBCP in various aquifers. Without knowing specific details regarding well <br /> construction and condition, it would be difficult to accurately comment on the condition of the <br /> aquifer. Essentially, the water sample concentration approximately indicates the contaminant <br /> concentration level of the aquifer from which the well is drawing. It is Neil 0. Anderson and <br /> Associates' opinion that, in general, near-surface aquifers are more likely to have elevated <br /> concentrations of nitrate and DBCP than the deeper aquifers. <br /> ANGELS CAMP • LODI MODESTO RENO • SACRAMENTO • WALNUT CREEK <br /> L 0 D 1 902 Industrial Way Lodi,CA 95240 209.367.3701 • FAX 209-369.4228 • www.noanderson.com <br />