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r5 <br /> fr" <br /> Proect Number: SF8.175-0204.72 <br /> Consultant <br /> Pro <br /> Number: I6000.2G6-044 <br /> Contract Number: N46CWCO244.9•X <br /> ww - Facility Number. 9-43465 <br /> Worst order Number: D004159 <br /> Report Issue Date: April 17,1990 <br /> W^ <br /> Table 4 <br /> SURROGATE COMPOUND RECOVERY <br /> Naphthalene <br /> Purgeable Aromatics and Total Petroleum Hydrocarbons <br /> as Gasoline In Soil <br /> EPA Method 8020/&015 <br /> Acceptability Limitsl: 60-130 % <br /> Expected Result, Surrogate Resuit, Surrogate <br /> ' GTEL No. ug/L ug/L Recovery,% <br /> Water Blank 200 208 119 <br /> M90H Blank 200 222 111 <br /> 01 200 202 101 <br /> ' 02 200 202 101 <br /> 03 200 194 97 <br /> l '~ 04 200 196 98 <br /> MS 200 202 101 <br /> MSD 200 198 99 <br /> rri <br /> M'? = Matrix Spike <br /> MS0 = Matrix Spike Duplicate <br /> t = Acceptability limits are derived from the 99%confidence interval <br /> h� of all samples during the previous quarter. <br /> w <br /> GTEL Conx/u,CA Page 5 of 6 <br /> DX4159.CJC <br /> FNVIeam-AINrAI <br /> 1� tAsoi AIou1I5 INC <br />