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• Page 1 of 1 <br /> Vicki McCartney [EH] <br /> From: Vicki McCartney [EH] <br /> Sent: Thursday, November 13, 2014 12:01 PM <br /> To: 'Eric Price' <br /> Subject: 1600 Durham Ferry Road <br /> Good morning Eric, <br /> I have reviewed Work Plan- Soil Vapor Extraction and Air Sparging Pilot Test, dated 24 October 2014, for <br /> George's Service at 1600 Durham Ferry Road and I have a couple questions concerning the work plan. <br /> 1. Under Air Sparging Treatment, GZA proposes that the air sparging sequence be changed. There is no <br /> mention of incorporating newly-installed air sparge well AS-7 into the sequence, nor is AS-7 included in Figure 2 <br /> of the Work Plan. Since I do not have a report of the well installations (VEW-3 through VEW-6 and AS-7), I was <br /> wondering if AS-7 was installed, and if so, why AS-7 was not included in the proposal. <br /> 2. Under Groundwater Monitoring, GZA is proposing that depth-to-water measurements be collected from <br /> various wells each quarter. Were these wells selected based on the concern of mounding taking place? <br /> Your assistance is greatly appreciated. <br /> Vicki McCartney, Senior REHS <br /> San Joaquin County <br /> Environmental Health Department <br /> 1868 East Hazelton Avenue <br /> Stockton, California 95205 <br /> Phone: (209)468-9852 <br /> Email: vmccartnevesicehd.com <br /> i <br /> 11/13/2014 <br />