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Vim. J. Hunter & Associates 2220 Loma Vista Dr <br /> gistered Geologists Sacramento, CA 95825 <br /> troleum& Mineral Appraisers (916) 972-7941 <br />' FAX (916) 972-1683 <br />' September 2, 1992 <br /> Harlan Knoll , REHS <br />' San Joaquin County PHS <br /> Environmental Health Division <br /> 445 No. San Joaquin Street <br /> Stockton, CA 95202 <br />' Ref: Site Code 1258 (NORMAC) Results of borings on Hammartown <br /> Property; APN 094-05--21 <br />' Dear Harlen; <br />' I have prepared a brief narrative and exhibits covering the 3 <br /> auger holes that were placed on the above property under the <br /> workplan addendum dated 7/1/1992. Your review and comments will <br /> be appreciated. <br />' THE FOLLOWING WORK WAS PERFORMED ON AUGUST 13, 1992, UNDER THE <br /> DIRECTION OF WM. HUNTER, RG. <br /> With the assistance of Peter Voskes, Operations Manager for <br /> NORMAC, the locations for the three bore holes were measured off , <br /> using the existing HHH #2 site as a reference paint. The final <br /> locations of the borings differed slightly from those proposed in <br /> the workplan. Refer to -elate I for their actual locations. <br /> Spectrum Exploration Co. mobile auger rig & support truck arrived <br /> on location at 9.00 AM; the crew consisted of ,lames Young, <br /> driller, and Robert Duvall , helper. There were sufficient clean, <br />' b 1/4" OD augers to complete all three boreholes without the <br /> ;necessity to steam clean the equipment. H5H #4 was taken to 41 <br /> 1/2' , with soil samples taken at 20 ' , 25' , 30' , 35 ' , & 40 ' using <br />' a California modified split-spoon sampler for taking 18 ' cores <br /> utilizing 2" OD, clean brass tubes. Each core was examined and <br /> described by the geologist, promptly sealed with teflon tape and <br /> plastic end caps, labeled and placed on ice. No evidence of <br />' contamination or odors were noted in either the drill cuttings or <br /> the soil samples. The lithology, cored intervals & blow counts <br /> are shown on Plate II. Drill cuttings from the surface to 20 <br /> feet were not contained, but all cuttings and excess core <br /> material were placed in steel drums, which were sealed and <br /> labeled for future disposal . <br /> The rig was then relocated over HBH #5, and the same procedure as <br /> described above was followed; Plate ZZZ gives details of the bore <br /> hole. <br /> i <br /> 1 <br />