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r <br /> FOOTHILL <br /> ENGINEERING <br /> 12793 PADDY CREEK LANE LOC?f CA 95240 <br /> PH (209) 368--9381 FAX (209) 367-1163 <br /> Mr Michael Infurna May 21, 1999 <br /> San Joaquin County Public Health Services <br /> Environmental Health Division <br /> P O Box 388 <br /> Stockton, CA 95201 <br /> Subject Mrs Helen Higgins / Vogue Cleaners <br /> 2315 N California Street <br /> Stockton, CA Site code 231032 <br /> Dear Mr Infurna <br /> Please find below the report of the findings for water samples taken from monitoring wells o6 the <br /> Vogue Cleaners site on 4/01/99 Please note the passing of Mr Norman Higgins, the long time <br /> owner of Vogue Cleaners Any future correspondence for this site should be addressed to Mrs <br /> Helen Higgins at P O Box 369, Clements, CA 95227 or this office <br /> REPORT OF FINDINGS FOR PHASE 2 SITE INVESTIGATION <br /> THIRD SET OF MONITORING WELL SAMPLES <br /> SITE HISTORY <br /> The site has a long history of use as a cleaning establishment and presently has the same use On <br /> June 6, 1996, Thorpe Oil removed two empty underground storage tanks from the property under <br /> a permit from the PHS/EHD Soil samples from the tank excavation were obtained using standard <br /> methods and locations The sample from under Tank#1 was taken at a depth of+/-eight feet The <br /> sample from Tank#2 was taken at a depth of+/- nine feet Both these samples and samples from <br /> the excavation spoil showed evidence of hydrocarbon contamination(See map enclosed) All of the <br /> above samples were analyzed by GeoAnalytical Laboratories, Inc The location of Tank #1 is <br /> between two structures and is 25' from the closest access point by drilling equipment Tank #2 can <br /> be accessed by vertical drilling equipment <br /> Phase I of the Site Investigation required drilling a slant soil boring under Tank 41 and a vertical <br /> soil bore at the location of Tank#2( See the attached soil and water analysis for BH#I and MW#l) <br /> Phase 2 of the Site Investigation was to define the vertical and horizontal extent of the <br /> contamination plume It was completed on 5/28/98 with installation ofMW#2S,MW#2D,MW#3S, <br /> MW#3D, and MW#4S, MW#4D A double monitoring well was installed in each location The <br /> shallow well (noted by the"S" letter) had a total depth of+/ 55' and the deep monitoring well had <br /> a total depth of+/-75' The original set of water samples was made on 6/11/98 (see water sample <br /> analysis attached) The latest water samples were taken 4/01/99 and are the subject of this report <br /> 1 <br />