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Page 2 <br /> coordinate with all other agencies including completion, a report summarl71ng the results <br /> the RWQCB, San Joaquin County Health of the investigation will be prepared <br /> Department, and the City of Lodi during the <br /> investigation The results of the phase 1 investigation will <br /> determine if additional samplings are <br /> necessary to fully characterize the extent of <br /> cherrucals in the soil and groundwater A <br />' The following map illustrates the locations of feasibility study may be prepared to evaluate <br /> the public water supply wells in which cleanup alternatives The feasibility study <br /> varying levels of contaminants were detected would be distributed for public review and <br />' comment <br /> The cost of this soil and groundwater <br />' assessment is approximately $300,000 The <br /> state funds utilized for this assessment are <br /> derived from fees paid by industries using <br /> and disposing of hazardous chemicals <br />' b PIK The firstphase of the field investigation is <br /> expected g ectedto begin late October or earl <br /> ® I Y <br /> November 1993. This phase will involve <br /> womwaiAvr I collecting approximately 75 soil gas and 22 <br /> groundwater samples at various locations in <br /> x I downtown Lodi. <br /> '" e„n Ter•7 <br />' <br /> W.0W.0rati+l� ©�wdl I.,oelrnu Drilling will be required to collect soil gas <br /> and groundwater samples Equipment for <br /> soil gas sampling includes a mobile labora- <br /> tory and a drilling rig Equipment for <br /> DISC and its consultant, URS Inc , is begin- groundwater sampling will include a drill rig <br /> ning phase 1 of a remedial investigation (RI) on a truck, a forklift truck, and a flatbed <br />' The RI is to characterize the nature, extent truck Once the work starts, it will take <br /> and sources of the contamination and will approximately 4 to 5 weeks to complete <br /> include the following work- inventory of all Actual time required at each site will be <br />' wells in the area, sampling of selected wells, approximately 1 hour for ;oil gas acid 4 hours <br /> sampling of gas in the soil, sampling of for groundwater sampling Upon completion <br /> groundwater by hydropunch, installation of of the drilling operation, holes will be sealed <br /> monitoring wells, sampling of sewer and and the ground will be patched to return it to <br /> storm drainage systems, and survey of its original form <br /> possible sources A workplan outlining the <br />' steps to be implemented during the phase 1 <br /> investigation has been developed and is <br /> available at the repository listed on Page 3 To identify community concerns and to <br />' develop recommendations for effective com- <br /> The phase 1 investigation is expected to be munication between the community and <br /> completed within five (5) months Upon involved agencies, staff from DISC will inter- <br /> view a number of representatives from all <br /> Pnnfed on Recycled Paper October 1993 <br /> 1 <br />