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Mar-26-99 10 =04A Krazan and Associates 559 348 2201 P-03 <br /> Pi oject No 034-99039 <br /> Page No 3 <br /> • FINDINGS <br /> In general, the send profile from surface to approximately 9 feet bgs was represented by a --me to medium <br /> silty sand, grading to a fine sand below this aepth <br /> The results of the chemical analyses are summarized in T'abie f Copies of the Certified Analytical <br /> Report and sampie Chain-of-Custody rewrds are attached <br /> RECOMMENDATIONS <br /> During communwahons on March 25, 1999 between ECI and Ivir Steve Sasson of the SJCEHD Mr- <br /> Sasson stated that if no oxygenates were aeto-ted by EPA Method 8264B, the ex"vations coma be <br /> backfilled and dispenser island re-construction could commence Mr Sasson also stated that if low <br /> wnccntrattons of oxygenates existed in 4onfirmation samples, tie excavation couid be lined with plastic <br /> to prevent poteittial leaching and vertical migration of residual PliCs, after this mitigation step was <br /> nnplemented thl "cavaticins could then be bdcktillm1 <br /> Krazan recommends that a copy of this report be submitted to the ro€lowing <br /> Mr Steve Sasson <br /> San Joaquin County Environmental Hesltli Division <br /> 304 East Weber Street <br /> Stockton Cdiiforni i 95202 <br /> LIMITATIONS <br /> rhe findings of this report were bid upori the results of out t wid and l ibvratory investigatiuns.coupled <br /> with the interpretation of subsurfaue conditions associated with the disneii,er inland excavation <br /> Therefore, the data are accurate only to the degree imphed by review of the data ;blamed and by <br /> professiun.si interpretation <br /> KRAZAN& ASSOCIATES,INC <br /> offices Serving the Weaern United Slales <br /> tcngpta wn <br />