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Project Nu:o4ar: SFB-175-0204.72 <br /> Consultant Project Number; 203-175-3289 <br /> Contract kusrber: N46L' OR44-9.X <br /> Fac I t l4'Number: 9.0342 <br /> Work Order NLMx-rt D002237 <br /> Report Issua Late: February 2U, 1990 <br /> Table 4 <br /> SURROGATE COMPOM REOMRY <br /> Naphthalene <br /> Purgeable Aromatics arra Total Petroleum Hydrocarbons <br /> as Gasatina fn Soil <br /> EPA Method 8020/8015 <br /> Acceptability Limitsl, 60 - 130 % <br /> Expected Result, Surrogate Result, Surrogate Recov <br /> GTEL No. ug/L ug/L ery, % <br /> W7 otc:! 230 192 q6 <br /> McOH Blank 200 178 89 <br /> 01 200 166 ts3 <br /> 02 200 198 99 <br /> 03 200 160 80 <br /> 04 200 160 80 <br /> MS 200 170 85 <br /> MSD 200 222 111 <br /> MS Matrix Spike <br /> NSD Matrix Spike Duolfcate <br /> 1 Acceptability limits are derived from the 99% confidnxe interval <br /> of ell samples during the previous quarter. <br /> - i <br /> GTEL Concord, CA Page 6 of 7 <br /> D002237.DOC <br /> f: GTE L <br /> I N V I It 0 N M t N t AI .. - <br /> - - - I.A60RAT021E3, INC - <br />