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pECQ � Ia . <br /> HALT -�FOOTH I LL <br /> ENGINEERING i <br /> Mr. Michael Infurna 8442 STORY RIDGE WAY ANTELOPE,CA 95843 <br /> PH:(916)729-5184 WAY, <br /> 729-0593 <br /> San Joaquin County Public Health Services j <br /> 304 E. Weber Third Floor December 1, 2006 1I <br /> Stockton, CA 95202 �� ofo" <br /> Subject: Mrs. Helen Higgins /Vogue Cleaners <br /> 2315 N California Street <br /> Stockton, CA Site code: 231032 <br /> Global ID T0607700741 <br /> Dear Mr. Infurna: <br /> Please find below the report of the findings for water samples extracted from monitoring wells on <br /> the Vogue Cleaners site on 9/15/06. j <br /> THIRD QUARTER 2006 MONITORING WELL SAMPLING EVENT <br /> SITE HISTORY <br /> The site has a long history of use as a cleaning estab ishment 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 ank excavation were obtained using standard <br /> methods and locations. The sample from under the Stoddard Solvent Tank(Tank#1)was taken at j <br /> a depth of+/-eight feet. The sample from'the leaded gasoline tank(Tank 42)was taken at a depth <br /> of+/- nine feet. Both these samples and samples fr am the excavation spoil showed evidence of <br /> hydrocarbon contamination (See map enclosed). All of the above samples were analyzed by <br /> GeoAnalytical Laboratories,Inc.The location of Tar k#1 is between two structures and is 25'from <br /> the closest access point by drilling equipment. Tank #2 could be accessed by vertical drilling } <br /> equipment, <br /> Phase 1 of the Site Investigation required drilling a slant soil boring under Tank#1 and a vertical <br /> soil bore at the location of Tank#2. <br /> Phase 2 of the Site Investigation was conducted to define the vertical and horizontal extent of the <br /> contamination plume. It was completed on 5/28/98 with the installation of MW#2S, MW#2D, <br /> MW#3S, MW93D, and MW#4S, MW#4D. A do ble monitoring well was installed in each <br /> location. The shallow wells (noted by the "S" letter) had a total depth of +/-55' and the deep <br /> monitoring wells had atotal depth of+/-75'.The original set of water samples was made on 6/11/98 <br /> (see water sample analysis, attached). <br /> Monitoring wells MW#5 S and MW#5D were installed on 11/07/01 in the parking lane on the east <br /> side of California Street. Soil samples indicate the presence of 1,2-Dichloroethane(1,2-DCA)and <br /> 1,1-Dichloroethene in low concentrations. BTEX was not found in this new soil bore or water j <br /> samples. <br /> I <br /> 1 <br />