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BROWN AND <br /> CALDWELL 'P <br /> 1 � <br /> November 3, 1998 <br /> Mr Ronald Rowe <br /> = > <br /> San Joaquin County Public Health Services <br /> Environmental Health Division <br /> 304 Webster Avenue <br /> Post Office Bax 388 <br /> Stockton, California 95201-0388 017-16271-001/1 <br /> Subject Report for Installation of Groundwater Monitoring Wells, <br /> T&T Trucking, 11396 North Highway 99, Lodz, California <br /> Dear Mr Rowe <br /> On behalf of T&T Trucking, Brown and Caldwell {Bsubmits this letter report documenting <br /> the drilling, construction, and sampling of three groundwater monitoring wells (MW-2 <br /> through MW-4) at the subject site (Figure 1) The work plan for this work, dated <br /> March 4, 1998 was submitted and approved by you on.Tune 18, 1998 <br /> The objectives of the work were to drill, sample, and convert three borings into groundwater <br /> monitoring wells The purpose of the monitoring wells was to characterize the extent of <br /> petroleum hydrocarbons in groundwater and the direction and gradient of groundwater flow <br /> beneath the subject site The locations of the existing groundwater monitoring wells (MW-1 <br /> through MW-4) for the subject site are shown in Figure 1 <br /> All work was completed in accordance with the approved workplan with the exception of soil <br /> samples collected for physical property analysis The purpose of these samples was to <br /> identify physical properties from the predominant stratigraphy in the subsurface (silt and <br /> sand) for potential modeling This report describes the results of the field activities <br /> Field Activities <br /> w <br /> The fieldwork supervised or conducted by BC included borehole drilling, HydroPunchTm <br /> groundwater sampling, installation, development, and groundwater sampling of three <br /> groundwater monitoring wells (MW-2 through MW-4) The lzthologic logs of the newly <br /> constructed groundwater monitoring wells are included as Attachment A Standard procedures <br /> This report ivas prepared in accordance with the standards of the env ironmental consulting industry at the time it it as <br /> prepared It should not be relied Capon by parties other than those for whom it was prepared, and then only to the <br /> extent of the scope of work which uas authorized This report does not guarantee that no additional environmental <br /> contamination beyond that described in this report exists at the site <br /> BCSAC01116000116271,WELLINSr DOC <br /> Environmental Engrneeong And Consulting Anaayttcal5eralces <br /> 9616 MICRON AVENUE SUITE 600 SACRAMENTO CA 95827 2627 <br /> (916) 444 0123 FAX (916) 856 5277 <br />