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0E75120@@ 13 @@ 2994683433 FIFTH FLDOR ' <br /> PAGE e2 <br /> 1 PUBLIC HEALTH SERVICES <br /> SAN JOAQUIN COUNTY q��`�3�a'�a <br /> ENVIRONMEN'T'AL HEALTH DIVISION U) � �$ <br /> Karen Fuxst, M.D., M.PH., Health Officer = p <br /> 304 East Weber Avenue, Third Floor • Stockton, CA 95202 c�FOA <br /> 2091468-3420 <br /> REED RINEHART <br /> RINEHART DISTRIBUTION DARIMAR XNC <br /> P O Box 725 4243 KNOLLVIEW DR <br /> UKIAR CA 95482 DAWTILLE CA 94526 <br /> WORKPLAN Work Plan WeUlmtellatrcm and CPTBoM DATED Ma 5,2 00 <br /> PREPARED BY _ RamaU Environmental <br /> APPROVED j( . See Below <br /> DISAPPROVED ❑ <br /> ADDENDUM ❑ Subma by <br /> ADEQUATE AND NECESSARY ELEMENTS OF THE WORKPLAN(Z&S <br /> 25299 37,subd.(c)(3).): <br /> Four Cone Penetration Testing bonzngs (each CPT dn1ng attempt consists of one bonng <br /> with the pemtromenter and a second boring for sample collection) and 3 mozntoring wells <br /> are necessaryfor investigation of vertical and lateral lams of the contari7lnation plume an soil <br /> and in groundwater <br /> COMMENTS AND CONDITIONS <br /> • Three monitoring wells may be inadequate to detemmne the level of contain atioin in <br /> the groundwater. Contingency to place one additional rnotutonng well near SB-6. <br /> PIVEHD recon=rnds pursuing a strategy of well placement that will transect the <br /> plume and reveal the mass-flux nugmucin pattern of the plume <br /> • Provide extra monitormg well construction matenals on hand at the nme of the <br /> proposed work inTlementation contingent to additional monitoring wells) installation <br /> based on field observations and data <br /> • Sample sod for analyses every 5 feet and at every significantly defferew hthological layer <br /> • Schedule work with PHS/EHD at least 48 working hours ni advance PHS/EHD <br /> recommends scheduling work with.PHS/EI D staff before scheduling with G57 <br /> licensed dnlling contractor. <br /> • Subrmt fee and well permit apphcauon Rath completed Licensed Contractors <br /> Declaration (LCA) before comrmncement of the proposed work <br /> REASONS FOR DISAPPROVAL OF THE WORKPLAN(H&S 25299.37, <br /> subd.(C)(3).): <br /> Nine t✓ <br /> iDATED 1,2 0 0 BY <br /> fax Ramage Environmental-Joe Ramage <br />' A Division of San Joaquin County Health Care Services <br />