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PUBLICHEALTH SERVICES <br /> SAN JOAQUIN COUNTY <br /> ENVIRONMENTAL HEALTH DIVISION ` <br /> Karen Furst, M.D., M.P.H., Health Officer <br /> 304 East Weber Avenue,Third Floor • Stockton, CA 95202 claaitti' <br /> 209/468-3420 <br /> MS.KERRY WASSON <br /> COUNTY OF SAN JOAQUIN <br /> FACILITIES MANAGEMENT DIVISION <br /> 177 EAST SCOTTS AVE <br /> STOCKTON CA 95205 <br /> RE: 1810 EAST HAZELTON AVE.,STOCKTON Site Code: N 1141 <br /> WORK PLAN: Additional Site Assessment/Monitoring Well Installation and Groundwater Sampling <br /> DATED: July 16,2001 <br /> PREPARED BY: Ramage Environmental <br /> APP R VED: <br /> FIDISAPP� Nhh Submit by <br /> ADEOUATE AND NECESSARY ELEMENTS OF THE WORK PLAN[H&S 25299.37,subd(c)(3)]: <br /> 1. Complete monitoring well installation with soil and groundwater sampling. <br /> 2. Determine groundwater flow direction and gradient. <br /> 3. Define the vertical and lateral extent of soil and groundwater contamination. <br /> 4. Complete and submit a more comprehensive well receptor survey. <br /> 5. Continue with quarterly groundwater monitoring and sampling until the site is closed with no further action. <br /> 6. Evaluate interim remedial measures and feasibility testing. <br /> 7. Report findings with recommendations for additional monitoring well installation. <br /> COMMENTS AND CONDITIONS• <br /> Apply for an EHD permit to install the proposed well. <br /> Obtain preapproval for all cost from the SWRCB Cleanup Fund. <br /> The"Tri-Regional Board Staff Recommendations For Preliminary Evaluation and Investigation of Underground Tank <br /> Sites"along with its"Appendix A" and"Appendix B" should be used as guidance documents. All work and reports <br /> which require geological or engineering evaluation must be performed under the direction of an appropriate California <br /> registered or certified professional. //II��// np <br /> DATED 7/6/2001 BY fd[�.�tN <br /> Harlin Knoll.SeniorREHS 2091468-0337 <br /> CC: Marty Hartzell <br /> Ramage Environmental A Division of San Joaquin County Health Care Setvi= <br />