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Page 2 of 2 <br /> r I <br /> I 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 bs9, 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 /> 4. <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: r_m.ccartne a sjcethd.com <br /> i <br /> 10/8/2009 <br />