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Page 2 of 2 <br /> effective vertical depth of 30 to 45 feet below ground surface as described in Section 4.2. In <br /> Section 4.2 the MW5 well.screen interval is described as 30 to 45 feet below ground surface. That <br /> would be if it was measured vertically. Please refer to Figure 5. <br /> Should we send you a revised work plan today or tomorrow? <br /> From: Vicki McCartney [EH] [maiito:vmccartney@sjcehd.com] <br /> Sent: Tuesday, October 06, 2009 10:33 AM <br /> To: Bill Cook <br /> Subject: Work Plan for Raymond Investment Corporation <br /> Good morning, Bill. <br /> have reviewed Additional Vapor and Groundwater Monitoring Well Work Plan, dated August 4, 2009,for <br /> the Raymond Investment Corporation located at 730 East Channel Street, Stockton. There are a number <br /> of inconsistencies in the report that I need to have clarified. In section 3.0 of the narrative it states that <br /> MW-5 will have a screen length of 35 to 50 feet from the surface and MW-6, MW-7, MW-8, MW-9, and <br /> MW-10 will have a screen depth of 30 to 40 feet bsg. However, in section 4.2 of the work plan, the <br /> screened intervals have been changed for these wells. The screened interval for MW-5 has been changed <br /> to 30 -45 feet bsg, and the screened intervals for MW-6 through MW-10 have been changed to 30-45 <br /> feet bsg. Table 1 indicates that total depths are less than the proposed screened intervals. I am confused <br /> and need clarification concerning the proposed screened intervals for these wells. Please respond at your <br /> earliest convenience. <br /> Vicki McCartney, Senior REHS <br /> San Joaquin County <br /> Environmental Health Department <br /> 600 East Main Street <br /> Stockton,California 95202 <br /> Phone: (209)468-9852 <br /> Fax: (209)468-3433 <br /> Email: vniccartney�z ceh.d coin <br /> 10/8/2009 <br />