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Wm. J. Hunter & Associate, 2220 Loma Vista <br /> Registered Geologists Sacramento,CA 95t <br /> Petroleum&Mineral Appraisers (916)972-7941 <br /> FAX(916)972-1683 <br /> WORKPLAN ADDENDUM TO SUGGESTED CLEANUP PLAN <br /> Dated September 12, 1996 plcluyq <br /> 1876 County Club Drive, Stockton, CA <br /> (Site Code 1844) <br /> Prepared for <br /> San Joaquin County Public Health Service OCT 81996 <br /> Environmental Health Division <br /> by eMR NK ENTALHEEALTH <br /> Wm. J. Hunter & Associates ppRM(TrSERVICES <br /> October 3, 1996 <br /> PURPOSE OF WORK: <br /> Extensive investigative work performed over the past three years <br /> has defined the limits of groundwater contamination caused by <br /> gasoline UST's, which were removed in 1989. That work included <br /> the placement of five (5) monitoring wells on the site, a soil <br /> gas vapor survey, an exhaustive title search of the area, and <br /> seven (7) shallow geoprobe holes. The highest levels of contami- <br /> nation measured in the water are in the vicinity of MW-1, <br /> although soil contamination was only found in the sample at 161 , <br /> (which is in the "smear zone;") samples at 61 , 111 , 21' & 25' <br /> were ND. All soil samples taken from MW-2 were ND, and only the <br /> sample at 16' & 23' in MW-3 showed contamination. it is believed <br /> that the product lines or dispenser leaks at the north pump <br /> island (shown on PLATE I,) may have been a major contributor to <br /> the high levels of gasoline compounds measured in the water. The <br /> two pump islands were not removed with the UST's and the soil <br /> beneath those areas has not been evaluated. <br /> In order to evaluate the extent of soil contamination, it is <br /> proposed to place up to seven (7) geoprobes at the approximate <br /> locations shown on PLATE I. This work will precede the work <br /> proposed in the WJH second quarter 1996 monitoring report dated <br /> September 12, 2996, and may obviate the need for that work. <br /> PROPERTY ADDRESS: <br /> 1876_ Country Club Drive, Stockton, CA <br /> NAME & ADDRESS OF PROPERTY OWNERS: <br /> Manuel & Mary Sanchez, 1633 W. Walnut Street, Stockton 95203 <br /> CONTACT PERSON: <br /> Mary Sanchez, Stockton Ceramic Tile, (209) 464-1291 SAN JOAQUIN CCaUNlY <br /> ENVIRONMENTAL HEALTH DIVISION <br /> 1 304 E. Weber Ave.Third Floor <br /> P.O. Box 388, Stockton,CA 95201-0388 <br /> Phone: (209)468-3420 <br /> r]Approved <br /> Approved with with changes: See Remarks <br /> ID Disapproved: See Remark-5 <br /> Remarks <br /> r <br /> i <br /> Date 8�6 l9I_ B, <br /> Approval of these plans ext ds only to that <br /> which is shown and described hereon but <br /> does not authorize or approve any omise4on <br /> or deviation of requirements of State laws or <br /> Local Ordinances. <br />