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Page 4 KEI , on behalf of Unocal , completed the tasks listed above . The results of KEI ' s site inspection and file review were as follows 1 On May 18 , 1991, a representative of KEI inspected the subject site to determine the condition of all monitoring wells Wells RW1, MW2 , MW8 and off-site well MW6 were monitored and found to be dry The total depths of these wells ranged between 47 72 and 58 50 feet below ground surface Wells MW2 and MW8 had suffered wellhead damage during the site excava- tion and were unsecured Wells MW4 and MWS appeared to be located beneath an office building recently constructed on the site Well MW9 appeared to have been paved over during construction of a parking lot for the new office building The conditions of the wells obscured by the building and parking lot were unknown to KEI Well MW3 could not be located despite considerable hand and backhoe excavation in the vicinity In addition, wells MW1 and MW7 were properly destroyed during the soil excavation project that was per- formed at the site 2 Based upon KEI ' s site inspection, KEI recommended that all of the on-site wells (MW2 , MW8 , and RW1) be properly destroyed . It was KEI ' s opinion that the damage sustained by these wells during construction of the new office building was severe enough that any future analytical results of ground water samples collected from these wells may not be representative of the actual conditions at the site Well MW6 appeared to be intact and would remain as is, however, this well was dry KEI recommended that four new monitoring wells be installed at the site in order to begin to determine the ground water flow direction and the degree of ground water contamination at the site 3 A review of all past and ongoing environmental investigations performed in the vicinity of the subject site was conducted The review of SJCPHS files revealed that subsurface investiga- tions at four sites in the area have been conducted These sites are as follows 1 ) a Chevron service station, located at the corner of Pershing Avenue and Robinhood Drive, 2 ) a Shell service station, located at the corner of Pacific Avenue and Porter Avenue, 3 ) a former Regal (now Exxon) service station, located at the corner of Pacific Avenue and Douglas Road, and 4 ) a Chevron service station, located at the corner of Pacific Avenue and Benjamin Holt Drive Based upon the contamination levels reported at these stations , and their locations with respect to the former Unocal site, KEI con- cluded that contamination from these sites had not impacted the subject site It was noted that the Montgomery Ward Auto KRI-PES-1013 APA