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t <br /> PUBLIe HEALTH SkiVICES <br /> SAN JOAQUIN COUNTY <br /> ENVIRONMENTAL HEALTH DIVISION <br /> Karen Forst,M.D., M.P.H., Health Officer <br /> 304 East Weber Avenue,Third.Floor •Stockton,CA 95202 <br /> 209/468-3420 <br /> KASHMIR SINGH & DALWINDER DHOOT <br /> 15600 HARLAN ROAD 3' <br /> LATHROP CA: 95330 <br /> RE: Joe's Place <br /> 15600 Harlan Rd. <br /> Lathrop,C.A <br /> r <br /> WORKPLAN: Work Planfor Offsite Groundwater Assessment- DATED: 8117101 <br /> PREPARED BY: Avalon Environmental Consultants <br /> APPROVED X <br /> DISAPPROVED ❑.. <br /> ADDENDUM 01 Submit by: <br /> ADEQUATE AND NECESSARY ELEMENTS OF .FM WORKPLAN(H8ZS 25299.37,subd.(c)(3):): <br /> 1. Installation of one deep,monitoring well on site and collection of soil samples and water samples. <br /> 2. Installation of three shallow monitoring wells off site and collection of soil and water samples. <br /> 3. Laboratory analysis of soil and water samples for total petroleum hydrocarbons as gasoline,BTEX, <br /> volatile organic compounds and lead scavengers. <br /> COMMENTS AND CONDITIONS: <br /> 1. A sufficient number of soil samples must be collected and analyzed from each of the four borings to <br /> provide the data to show the lateral and vertical extent of soil contamination above and below <br /> groundwater. <br /> 2. The geoprobe boring logs indicate clay soil at 20 feet below surface grade. The extent of this clay layer <br /> should be determined and the deep monitoring well screen interval should be placed in the next water <br /> bearing none. <br /> 3. The proposed locations for the shallow off site monitoring wells are 500 to 700 feet away from the release <br /> site existing monitoring wells and 300 to 400 feet from the January 2001 geoprobe locations. PHS/EHD <br /> recommends moving at least one of the proposed monitoring well locations to the area of GP8. <br /> 4. Submit to San Joaquin County Environmental Health Division(EHD)a copy of the access agreement <br /> from the off site properly owner where the wells are proposed to be placed.Obtain well permits from <br /> EHD and notify EHD at least 48 hours prior to theproposed scheduled work dates. <br /> DATED l t3 BY M1 <br /> i <br /> Cc: CVRWQCB—Marty Hartzell <br /> Avalon Environmental Consultants <br /> A Division of San Joaquin County Health Care Services <br />