SITE INFORMATION AND CORRESPONDENCE

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i page 2, 2050 Fremont Street On February 14 , 2002 a quarterly groundwater monitoring and sampling event was performed at the site. SJC/EHD personnel met with the technician on site to discover what well had been sampled and labeled MW-1 . It appears that monitoring and sampling of vapor extraction well VIEW-1 had been occurring and reported as MWA However, the field technician found another, previously un-sampled well at the site. This well is located on the ramp to the loading dock, just inside the warehouse doors, several feet east of the former location of the soil vapor extraction (SVE) system . There also appears to be another VEW well , located on the ramp to the loading dock but closer to the former location of the SVE system. At the direction of SJC/EHD the field technician purged and sampled the newly discovered monitoring well and labeled the samples MW- 1 . If you have any documentation concerning the identity of this well , or the replacement of the original MWA , please forward it to SJC/EHD immediately. A new site map must be prepared , that accurately depicts all well locations. You are directed to submit a work plan for the abandonment and replacement of MW-3 and MW-12 and for the installation of the proposed monitoring wells. Include in the work plan a proposal for feasibility studies for the remediation of the sites groundwater contamination . You are also directed to complete a well survey to identify all domestic, municipal , industrial , agricultural and any other wells located within a 2000-foot radius of the site. If you have any questions or comments please call Lori Duncan at (209) 468-0337. Donna Heran , REHS, Director Environmental Health Department / C'CG�c ceL l.C�l�t +.�� Lori Duncan, Senior REHS Margaret L orio, Supervising REHS LOP/Site Mitigation Unit IV LOP/Site Mitigation Unit IV cc: Marty Hartzell, CVRWQCB Jay Johnson , Stratus