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' Former Manna Pro Site Page 2 <br /> Quarterly Groundwater Monitoring Report <br /> Project No 207 2 <br /> August 18, 2000 <br /> wells a combination groundwater/vapor' gr ndwaterlvapor extraction well and three observation <br /> wells These wells were used for the completion of groundwater pumping and <br />' vapor extraction pilot tests <br /> Between 1996 and the April of 2000, the principal remedial activity consisted <br />' of groundwater monitoring In April of 2000, a deep monitoring well (MW-11) <br /> was constructed to characterize the vertical distribution of hydrocarbons in the <br /> subsurface At the same time, a new vapor extraction well and an air sparge <br />' well were constructed as part of a pilot remedial test program The <br /> construction of MW-11 was documented in the quarterly monitoring report for <br /> the spring 2000 monitoring event The results of the pilot test were <br />' documented in the July 31, 2000 report entitled Report, Remedial Action Pilot <br /> Study, Former Manna Pro Site To date, a total of 11 groundwater monitoring <br /> wells, 5 observation wells, and three test wells have been constructed on or <br /> Inear the Manna Pro site <br />' 1.2 Scope of Work <br /> The following work was completed during this round of groundwater <br /> monitoring <br /> 1 The depth to groundwater was measured in 11 monitoring wells, 5 <br /> observation wells, and two utility located on, or near the site <br /> 2 Groundwater monitoring included sample collection and subsequent <br /> laboratory analysis from eight wells Dissolved oxygen was measured in <br /> MW-6 <br /> I <br /> I <br /> 2937 Veneman Ave ,#B240 Geo-Phase Environmental Inc Phone(209) 569-0293 <br /> Modesto, CA 95356 Fax(209) 569-0293 <br /> I <br />