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l <br /> BROWN AND <br /> C A L D W E L L C3 ,'Y49P,-1 01 <br /> May 19, 2000 <br /> Mr Terry Tarditt <br /> T&T Trucking, Incorporated <br /> 11396 North Highway 99 <br /> Lodi,California 95240 017-16271-001/1 <br /> Subject Second Quarter 2000 Groundwater Momtonng Report <br /> Dear Mr Tarditi <br /> This letter report transmits results of a groundwater monitoring event A copy of this report is <br /> being submitted to the San Joaquin County Environmental Health Division <br /> On November 22, 1999 T&T Trucking,Inc received pre-approval from the UST Cleanup Fund <br /> for four quarters of groundwater monitoring of the existing four wells This is the third event under <br /> the November 22, 1999 approval The next monitoring event is scheduled for July 2000 <br />.1 Work Performed This Quarter Qanuary- March,2000). <br /> Brown and Caldwell (BC) measured water levels and collected groundwater samples for the first <br /> quarter 2000 on Apnl 20, 2000 This is the third sampling event conducted at this site and <br /> follows BC's Work Plan for Quarterly Sampling of Monitoring Wells This workplan was approved <br /> by the San Joaquin County Public Health Services Environmental Health Department <br /> (PHS/EHD) <br /> Status of Investigation and Cleanup Activities: <br /> Four groundwater momtonng wells have been installed at the site Groundwater contamination <br /> extends from the former source area (4,000-gallon UST) beyond the most southerly well (MW-3) <br /> Two additional groundwater monitoring wells are recommended to further define the lateral extent <br /> of petroleum hydrocarbons to the west and south of MW-3 The proposed locations are shown on <br /> Figure 3 <br /> Groundwater Sample Requirements <br /> BC's Work Plan for Quarterly Sampling of Monitoring Wells describes that all wells will be <br /> sampled and water Ievels measured quarterly Qanuary,April,July and October) A report <br /> summarizing these activities is due to PHS/EHD the month following the end of the previous <br /> Tiur report zwr pnrparrd rrr an ordame meth the standards of the ent7ronmental conjnitrng indu rtry at the lime it ww prepared li rhorrld not he n:Ged upon by partte r <br /> other than those for m.hom a mit r prepared and then only to the e%ten[of the re ope of mark n hreh nezr autbornted Tlvsnporldoei not guanentee that no additional <br /> enerronmenial,ontammnattou beyond that desmhed in flits report e-mis at the rite <br /> P\16000\16271\Reports\2ndWgir doe <br /> Environmental Engineering And Consulting Analytical Services <br /> 9616 MICRON AVENUE, SUITE 600 SACRAMENTO, CA 95827 2627 <br /> (916) 444 0123 FAX (916) 856 5277 <br />