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PUBLIC HL S <br /> ALTH SERVI fl��N <br /> �. <br /> SAN JOAQUIN COUNTY <br /> r ENVIRONMENTAL HEALTH DIVISION <br /> Karen Furst, M.D., M.P.H., Health Officer <br /> 304 East Weber Avenue, Third Floor • Stockton, CA 95202 L Po'RL' <br /> 209/468-3420 <br /> LIGAYA REYES IBANEZ <br /> CALIFORNIA HWY PATROL <br /> FACILITIES SECTION <br /> P O BOX 942898 <br /> SACRAMENTO CA 94298-001 <br /> RE: California I Lghway Patrol <br /> 385 W.Grant Line Rd. <br /> Tracy,CA <br /> WORKPLAN: Revisions to Workplan for Site Investigation . DATED: 3/16/01 <br /> PREPARED BY: URS Corporation <br /> APPROVED X <br /> DISAPPROVED ❑ <br /> ADDENDUM 0 Submit by: <br /> ADEQUATE AND NECESSARY ELEMENTS OF THE WORKPLAN W 25299.37,subd.(c)(3).): <br /> 1. Installation of one deep monitoring well MW6,installation of two shallow monitoring wells MW4 and <br /> MW5 (northeast and northwest of MW1) and collection of soil samples and water samples. <br /> 1 <br /> 2. Laboratory analysis of soil and water samples for total petroleum hydrocarbons,BTEX,and volatile <br /> organic compounds. <br /> COMMENTS AND CONDITIONS: <br /> 1. A sufficient number of soil samples must be collected and analyzed from each of the three borings to <br /> provide the data to show the lateral and vertical extent of soil contamination above and below <br /> groundwater. <br /> 2. Monitoring wells 4 and/or 5 should be drilled to 25 feet deep and constructed with 20 feet of screen so <br /> that water from 15 to 25 feet is investigated as well as first water to 15 feet below surface grade. <br /> 3. Submit to San Joaquin County Environmental Health Division(EfiD) a copyof the access agreement <br /> from the off site property owner where the wells are proposed to be placed. <br /> 4. Obtain a well permit from EHD and notifyEHD at least 48 hours prior to the proposed scheduled work <br /> dates. <br /> REASONS FOR DISAPPROVAL OF THE WORKPLAN(H&S 25299.37,subd.(C)(3).): <br /> DATED BY <br /> Cc: CVRWQCB-Marty Hartzell <br /> URS Corporation <br /> A Division of San Joaquin County Health Care Services <br />