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F ! <br /> ._ARCADIS GERAGH'T' MILLER <br /> Qf I� 11 r <br /> Ph <br /> ARCADIS Geraghty&Miller,Inc. <br /> 3700 State Street,Suite 350 <br /> Santa Barbara <br /> Margaret Lagorio California 93105 <br /> Supervising REHS, Site Mitigation Unit Tel 805 687 7559 <br /> San Joaquin County Fax 805 687 0838 <br /> Environmental Health Division <br /> 304 East Weber Avenue, Third Floor <br /> Stockton, CA 95202 <br /> ENVIRONMENTAL. <br /> Subject: <br /> Erratum for report dated February 26, 1999 regarding former UNOCAL Service <br /> Station No. 2859, 1665 Pacific Avenue, Stockton, CA UNOCAL Site <br /> Date: <br /> Dear Ms. Lagorio: March 4, 1999 <br /> Contact: <br /> Please note that in the above-referenced report there is a typographical error which Stephen J. Cullen <br /> relates to the central technical issues at the Site. On page 19, line 2 of the report,it is <br /> stated that the concentration of benzene in water samples taken with the Simulprobe at <br /> the NPA sampling location at 70 feet below ground surface was 36,000 ug& This is <br /> incorrect. The correct benzene concentration measured in the sample collected at that Extension: <br /> depth was 1,200 ug/L. All other tables, figures, and discussion in the report which (805)687-7559 <br /> reference that sample concentration are correct. <br /> i <br /> I am enclosing a copy of that report page with the concentration reference corrected. <br /> Please replace this page in your report or attach this corrected page and cover letter i <br /> for reference in the files. Should you have questions regarding the content of the ; <br /> report please contact Dr. Stephen Cullen at(805) 687-7559. <br /> Sincerely, <br /> ARCADIS Geraghty&Miller,Inc. <br /> Stephen . C 1 n, Ph.D. Wade Allmon <br /> Principal Hydrologist/Soil Scientist Geologist, R.G. No. 6386 <br /> Copies: Mr.Bob Boust,UNOCAL <br /> Mr.Mark List,CVRWQCB <br /> Mr.Dennis Parfety SWRCB <br /> f• <br /> Our ref.: <br /> 6.WRO_5BOIUNOCALIC_VALLEY1PACiFIC%ReportslErratum.doc <br />