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p <br /> - <br /> _ I <br /> Project Number: SFB-175.02D4.72 <br /> Comultant Project "umber: 2D3-175-3289 <br /> Contract NLrber: M46CVCO244.9 x <br /> Facility Number: 9-0542 <br /> York order Number: oOO1760 <br /> Report Issue Date: Februar B, 1990 <br /> Table 4 <br /> SURROGATE COKPOUND RECDWRY <br /> Naphthalene <br /> Purgeable Aromatics and Total Petroleum Hydrocarbons <br /> as Gasoline in Soil <br /> EPA Method 8020/8015 <br /> Acceptability Limitsi: 60 - 130 % <br /> Expected Result, Surrogate Result, Surrogate Recov- <br /> GTEL No. ug/L ug/L ery, X <br /> dater Blank 200 174 87 <br /> McOH Blank 200 158 79 <br /> 01 200 192 96 <br /> 02 200 168 84 <br /> 03 200 180 90 <br /> MS 200 236 118 <br /> MSO 200 184 92 <br /> MS = Matrix Spike <br /> HSD = Matrix Spike Duplicate <br /> 1 O Acceptability limits are derived from the 99%confidence interval <br /> of all salr;sles during the previous quarter. <br /> ti <br /> i; <br /> r <br /> F <br /> �J GTEi Concord, CA <br /> Page 6 of 7 <br /> D001760.DOC <br /> GTE L <br /> EN V 140 N M E N E AL . <br /> ® LASORA10RIES. INC. <br />