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Fa <br /> rq ProjectNumbor: 5FEW75-0204.72 <br /> Concultanl Project Nurobaf: 16000.206.044 <br /> Contract Number: N46CWCO244.9-X <br /> Facility Number: 964E5 <br /> WopIupReortssoOates Sster 5,7990 <br /> Table 4 <br /> SURROGATE COMPOUND RECOVERY <br /> Naphthalene <br /> Purgeab!e Aromatics and Total Petroleum Hydrocarbons <br /> as Gasoline to Water <br /> EPA Method 8020/8015 <br /> Acceptability Urnitsl: 70-130% <br /> Expected Surrogate Surrogate <br /> L Result,ug/L Recavary.% <br /> GTEL No. Result,ug/ 1t,77 89 <br /> Blank 200 <br /> 191 <br /> 01 200 84 <br /> 200 168 <br /> 02189 95 <br /> 03 200 <br /> 200 177 89 <br /> 04 84 <br /> 200 84io8 <br /> 05 <br /> 200 168 <br /> 06 176 88 <br /> 07 200 87 <br /> 200 174 <br /> MS 158 79 <br /> WS 200 79 <br /> W <br /> 200 157 <br /> SD <br /> MS = Matrix Spike <br /> Reagent Water Spike <br /> WSD = Reagent Water Spike Djjplicate <br /> 1 Acceptability limits are derived from the <br /> confidence interval <br /> of all samples duringthe previous quarter. <br /> Page 6 018 ' TEL <br /> ~ GTEL Concord,CA <br /> COW567.00C <br /> V F N V 1 7 O N M F N'.A L <br /> ,. ® LAIOMAT07f3 INC . <br />