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01 <br /> Im <br /> FIX <br /> Project Number. SFB-175-0204.72 <br /> Consultant Prolect Number: 15000.250-044 <br /> Contract Number: N46CWCO241.,X <br /> Facility Number: 9.61:5 <br /> Work Order Number: C0101,76 <br /> Peport Issue Date: Oaoaar 10,19% <br /> Table 4 <br /> SURROGATE COMPOUND RECOVERY <br /> Naphthalene <br /> Purgeabfe Aromatics and Total Petroleum Hydrocarbons <br /> as Gasoline in Soil <br /> EPA Method 8020/8015 <br /> Acceptability Urnitsl: 60.130 % <br /> - <br /> GTEL Na. Expected Result, Surrogate Result, Surrogate <br /> ug/L ug/L Recovery,% <br /> Water Blank 200 254 <br /> 127 <br /> — McOH Blank 200 234 117 <br /> 01 200 245 123 <br /> 02 200 233 <br /> 117 <br /> — 03 200 223 112 <br /> 04 200 214 107 <br /> .05 <br /> 200 257 128 <br /> i 06 200 249 <br /> 124 <br /> MS 200 <br /> i <br /> 121 60 <br /> MSD 200 166 <br /> l 63 <br /> MS = Matrix Spike <br /> MSD = Matrix Spike Duplicate <br /> ` 1 = Acceptability limits are derived from the 99%, confidence interval <br /> - of all samples during the previous quarter. <br /> i <br /> 3 <br /> i <br /> i <br /> i <br /> GTEL Concord.CA <br /> i <br /> C010176,r7CC Pave 6 of 7 <br /> i-s GTE L <br /> EN VIC O NAI f N rAl - <br /> >� - W= LAloeAroCIEs. I NC <br />