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• Project Number SFB-175-0204 72 <br /> Consultant Project Number 16004250-044 <br /> Contract Number N46CWCO244-9-X <br /> Facility Number Not Gwen <br /> Work Order Number 0008790 <br /> Report Issue Date September 5. 1990 <br /> GA Conformance Summary <br /> Purgeable Aromatics and Total Petroleum Hydrocarbons <br /> as Gasoline in Soil <br /> EPA Method 8020/8015 <br /> 10 Blanks <br /> Five of 5 target compounds were below detection Irmrts in the reagent water blank and reagent <br /> methanol blank as shown in Tables 2a and 2b <br /> 2 0 Independent CC Check Sample <br /> The control limits were met for 4 out of 4 QC check compounds as shown in Table 3 <br /> 30 Surrogate Comaound R Zveriea <br /> Percent recovery limits were met for the surrogate compound (naphthalene) for all samples <br />• as shown in Table 4 <br /> 40 Matrix_ pike (MS) and Matrix Sprke_Quollcglte (MSQ) Accuracy and Precision <br /> 41 Percent recovery limits were met for 4 of 4 compounds in the MS and MSD as shown in Table <br /> 5 <br /> 42 Relative percent difference (RPD) criteria was met for 4 of 4 analytes in the MS and MSD as <br /> shown in Table 5 <br /> 50 Sample l H n tin <br /> 51 Sample handling and holding time criteria were met for all samples <br /> 52 There were no exceptional conditions requiring dilution of samples <br />. GTEL Concord CA Page 3 of 7 <br /> CW8790 DOC GTEL <br /> f N Y!R O N N E 4 T A <br /> ® LAOONATORIES INC <br />