Laserfiche WebLink
ICES OAqu�N^ co <br /> SERALS <br /> 'H <br /> ICE <br /> SAN j <br /> OAQUIN COUNTY y; , <br /> ENVIRONMENTAL HEALTH DIVISION <br /> M,pFI., Acting Health Officer �. A <br /> M.D., !F o'e <br /> Ernest M. Fujimat°� Box 388 • Stockton, CA 9IC-10P <br /> 304 E.Weber Ave.,Third Floor P. O• <br /> 2091468-3420 <br /> SEP <br /> 8013 DENINNO <br /> SOUTHLAND CORPORATION <br /> 19033 WEST 2 EY HWY STS D-104 <br /> KENT WA 98 SITE CODE: 1409 <br /> RE: 7-Eleven Store #20304 <br /> 455 West Grant Line Road <br /> Tracy CA 95376 <br /> San Joaquin County Public Health Services, Environmental Health ater Extracttioln Wellhas <br /> completed review of the Fluor996,"! GTI "Work Plan for Gro ro Line Installation" <br /> ' 12 1996, "Addendum to Work Plan for Groundwater Extraction <br /> Installation" dated April ' S 1996 and the "GYVE & SUE Well a <br /> Well Installation" dated ,1996. PHSIEHD has prepared the following comments for your <br /> figures dated August 12, <br /> consideration. ' <br /> • correspondence dated March 27,ed ba ed�the e then current tan <br /> PHSIEHD requested l um and treat) be re-evalua <br /> remediation methodology 1(pump <br /> per minute and theeMarch <br /> effectiveness correspondenceswasa <br /> recovery rates of less than g be various remedial alternatives. <br /> valuation of soil vapor extractiohcGT}dregarding ed The <br /> e discussion with <br /> prepared following groundwater <br /> osal to install one 6 into n the former <br /> The work plan dated April 12, 1996 included a Prop round surface (b9 ) <br /> a e tanks. The well will be drilled to eallotal depthell. The of 2A an <br /> extraction well to be screener from <br /> 4 to 15 feet below 9 bottom o <br /> location of the underground um can be seated at the bots analysis. A north-south <br /> feet, so that the extraction pump tto the <br /> ed that two soil samples would be submitted for laboratory <br /> stat installed to connect the new groundwater extraction piping <br /> trench would also be <br /> already existing piping system. Plans <br /> iscussion. it was PHSIEHD's hope <br /> ' ussions were continued and pHgdiscussion <br /> HD stressed that work p e <br /> In May and June disc <br /> tion necessary to evaluate remedial alternatives could <br /> should be submitted that address comments raise <br /> that any remedial investig <br /> anext field mobilization. <br /> ccomplished during the groundwater <br /> ro osal to install two 6 inch g <br /> addendum dated July 5, 1996, included a p p the installation of fi <br /> Thes roposed earlier with the second `^cell to be 'installed <br /> extraction well constructed west of MW 10. The addendum also proposed <br /> ion <br /> s. The <br /> approximately the proposed groundwater eTwottrenc es will be three <br /> vaults, two of which to contain potential future use. can be <br /> remaining vaults would be installed for p <br /> a soil vapor extraction Line and screened horizontal piping <br /> constructed sote ttal future use. <br /> installed for P <br /> A Division of San Joaquin County Health Care Services <br />