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Ei Former Manna Pro Site Page 2 <br /> Quarterly Groundwater Monitoring Report <br /> Project No. 207.2 <br /> April 18, 2005 <br /> Later, Groundwater Technology Inc. (GTI) installed four additional monitoring <br /> E " wells, a combination groundwater/vapor extraction well and three observation <br /> I <br /> wells.� - i <br /> Beginning in September of 2003, a 19-well soil vapor extraction 1 air sparge <br />} system commenced operations, and is continuing. The system has been in <br /> operation since then. In the interests of clarity and minimization of clutter, <br /> the site maps attached to this report do not show the 19 service wells. <br /> f 1.2 Scope of Work <br /> The following work was completed y during this round of groundwater <br /> monitoring: <br /> 1. The depth to groundwater was measured in 10 monitoring wells, and one <br /> L observation well located on, or near,the site. <br /> ' 2. Groundwater monitoring included sample collection and subsequent <br /> laboratory analysis from 6 monitoring wells. } <br /> I <br /> k <br /> 2937 Veneman Ave.,#B240 -Geo-Phase Environmental Inc. Phone (209) 569-0293 <br /> Modesto, CA 95356 Fax(209) 569-0293 <br />