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rF and reporting on detection, assessment and r. lean-up of underground tank fea1ls It should be noted here that all excavating, stock piling; of spoil , sampling for possible tileGTinatic`n and other tec'-nical work done between the dates of the GT[ report and December , 19S9 were neither performed by nor witnessed by Hunter & Associates . The work performed and the data dlscuised herein, collected during the above period, were both under the direction JTO. Alf analytical tests run of the samples collected and the were of by Canon ie Environmental Services (CES) of Stockton, California a C alifoia certified laboratory. CES routinely fo! ]ows in-housernQuaIitly Assurance Guides and keeps Chain-Of-Custody forms for all sample collecting and testing. All collections of soil samples for testing, with one exception, were witnessed by representatives of the Department of Health Services (or its antecedent, the San Joaquin Local Health District ) . The documentation presented herein regarding operations during the period of May 25, 1988 to December I3, 1959 ( the date of the v,- iters first visit to the Winery Site) were supplied by the aim Thorpe Oil Company. physical evidence at the 1SC Winery Site of the excavating operations that took place the field chain-oo custody forms kept by CES, their lab reports and their field collection orders , all substantiate that the work done during the period of May 25, 1988 and December 13, 1989 was done as discussed herein. Hunter & Associates accept the validity of the work done during that period by Jim Thorne Oil Company and base their work herein on that premise. In telephone discussions with Darlene Reuss DHS it was informally agreed that this report would cormtence5atl99rle point of termination of the GTI report . AIs . Reuss also stated that the Tri -Regional Recorrmendations of July vised April 3, 1939, 1 , 1988, as re_ should be the guidelines for report format and for requirements whenever questions arise. Neither of the t%vo guidelines used either in the past or used present]),, those the TRi -Regional Guidelines and the SJLHD F<eport- ing Requirements and Format , fit the reports Written, the work done subsequently and that which will be propose noted above fit into the SJLHD format of "A Preliminary Report" and could be inferred to be part of a "Site assessment Report". This report documents the activities that have occurred since the GTI Report , assesses these activities and tries to establish a continuity bet:veen also the appended docroday's -_s h o u_l d--f- uments_ and ----- - �� --- ------------------------ u-1-fill—the-Tri=Regi-oval ReQuirements as a Soil tamination Workplan (SC11 ) . Con-