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California Tank Lines - 2 - 30 January 2019 <br />3105 El Dorado <br />Stockton, San Joaquin County <br />Central Valley Water Board staff have the following comments: <br />In the Work Plan, IES stated that wells MW-10A and MW-11B would be installed on-Site, <br />and that wells MW-12B, MW-13A, and MW-14B would be installed off-Site. This <br />description does not match the locations of the proposed wells presented on Figure 2. <br />Based on the locations presented on Figure 2, wells MW-10A, MW-11B, and MW-12B <br />are located off-Site, and wells MW-13A and MW-14B are proposed on-Site. Please <br />assure that in future documents that the descriptions of well locations and well Ds <br />match between text and figures. The proposed well locations are acceptable. <br />Prior to pilot testing, please collect and analyze a sample of the free product to <br />determine if the product if composed of gasoline, diesel, fuel oil, or a mixture of fuel <br />types. Please include this information in the Well Installation Report. <br />IES stated that B zone wells would be installed with screened intervals from 40 to 60 ft <br />bgs. Central Valley Water Board staff requests that IES reduce these proposed <br />screened intervals if warranted by encountered soils. <br />Central Valley Water Board staff concurs with the scope of work presented in the Addendum. <br />Please proceed with implementation, and submit a Well Installation Report by 31 May 2019. <br />Please submit a Pilot Test Results Report by 15 July 2019. <br />If you have any questions, please contact me by phone at (916) 464-4792 or by email at <br />q20,119 "?. <br /><ck' <br />'Vera J. Fischer <br />8707 <br />Or CALI4‘ <br />cc: Technical Staff, Underground Storage Tank Cleanup Fund, Sacramento <br />Technical Staff, San Joaquin county Environmental Health Department, Stockton <br />Mr. Michael Davis, Innovative Environmental Solutions, Encinitas <br />vera.fischer@waterboards.ca.gov. ot4AL G - <br />SS <br />Vera Fischer, P.G. <br />Engineering Geologist