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_ r- <br /> l <br /> M <br /> Project Number: SM-175-0204,72 <br /> Consultant Prajrct Number: 16000-250-044 <br /> ,. Coneac[Number. N46CWG0244-9.X <br /> FaciiP Number: 96115 <br /> Work Order.Number: 0009624 _ <br /> Report Issue pate: Aujust 27,i9W <br /> Table 4 <br /> SURROGATE COMPOUND RECOVERY <br /> Naphthalene <br /> Purgeable Aromatics and Totai Patrolaurr.Hydrorarbans <br /> as Gaaoline in Soil <br /> FPA Method 8020/8015 <br /> Acceptability Limitsl: 60-130 % <br /> _ Expected Result, <br /> Surrogate Result, Surrogate <br /> GTEL N'). ug/L ug/L Recovery,% <br /> ` Water Blank 200 197 99 <br /> WOH Blank 200 158 79 <br /> 01 200 190 <br /> 95 <br /> 02 200 201 101 <br /> 03 200228 113 <br /> 04 200 173 87 <br /> M.S '200 193 97 <br /> is MSD 200 191 96 <br /> MS = Matrix Spike <br /> MSD = Matrix Spike Duplicate <br /> 1 = Acceptability limits are derived from the 3900 confidence interval <br /> w of all samples during the previous quarter. <br /> GTEL Concord,CA Page 6 of 7 <br /> C009624.000 <br /> GTEL <br /> ' - - ENVIROHMtYTA� - , <br /> .y LA409A10PIES. INC _ . <br />