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I 10 2nd Avenue South,#D7,Pacheco,CA 94553-556 0 McCampbell Analytical, Inc. Telephone:92s-798-1620 Fax:925-798-1622 i Website:www.mccamPbell.com E-mail:main c{�r mecampbell.eom I QC SUMMARY REPORT FOR SW8021B/8015Cm Matrix: W WorkOrder: 0404003 EPA Method: SW80211318015Cm Extraction: SW5030B BatchlD:10973 Spiked Sample ID: 0404003-001A Sample Spiked MS* MSD* MS-MSD` LCS I LCSD LCS-LCSD Acceptance Criteria(%) ' tlg/L Ng1L %ReC. %Ret. %RPD %Rec. %Rec. %RPD Low High i TPH(btex)£ ND 60 98.1 976 0.444 102 104 1.31 70 130 ' MTBE ND 10 109 106 2.90 101 101 0 70 130 Benzene ND 10 111 106 4.98 109 112 2.02 70 j 130 Toluene ND 10 103 1 979 4.86 103 104 1.05 70 130 ' Ethylbenzene ND 10 109 104 4.59 109 110 0.679 70 i 130 i Xylenes ND 30 96.7 94.7 2.09 96.3 99.7 3.40 70 130 %SS: 111 t0 103 102 0.829 106 106 0 70 130 All target compounds in the Method Blank ofthis extraction batch were ND less than the method RL with the following exceptions: ' NONE i MS=Matrix Spike;MSD=Matrix Spike Duplicate;LCS=Laboratory Control Sample;LCSD=Laboratory Control Sample Duplicate;RPD=Relative Percent Deviation. %Recovery=100*(MS-Sample)!(Amount Spiked);RPD=100*(MS- MSD)1((MS+MSD)12). *MS and/or MSD spike recoveries may not be near 100%or the RPDs near 0%if:a)the sample is inhomogenous AND contains significant concentrations of analyte relative to the amount spiked,or b)if that specific sample matrix interferes with spike recovery. £TPH(blex)=sum of BTEX areas from the FID, ' #cluttered chromatogram;sample peak coelufes with surrogate peak. • NIA=not enough sample to perform matrix spike and matrix spike duplicate. NR=analyte concentration in sample exceeds spike amount for soil matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or anal a content. i DHS Certification No. 1644 1 QA/QC Officer