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l <br /> t <br /> R I <br /> i <br /> 1102nd Avenue oath,#D7;Pacheco,CA 94553- <br /> 5560 <br /> McCampbell Analytical, Inc. Telephone'925-798-1620 Fax:925-798-1622. <br /> Wcbsue:www.mccampbel Lcom E-mail:main©mccampbell.coin <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> i <br /> Matrix:A WorkOrdec 0405299 <br /> EPA Method: SW8021B/8015Cm Extraction: SW5030B BatchID:11582 Spiked Sample ID: N/A <br /> Sample Spiked -MS' MSD' IMS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> pg/L pg/L %Rec %Rec. /o RPD % Rec. %Rec. %RPD Low High <br /> TPH(btex)e N/A 60 N/A. N/A N/A 101 - 104 3.06 70 130 <br /> MTBE N/A 10 N/A N/A N/A 101 104 3.09 70 130 ] <br /> Benzene N/A 10 N/A N/A N/A 101 107 6.48 70 130 <br /> Toluene N/A 10 N/A N/A N/A 85.3 90.4 5.80 70 130 <br /> Ethylbenzene N/A 10 - N/A N/A N/A 107 113 544 70 130 <br /> Xylenes N/A 30 N/A N/A N/A 96 100 L08 70 130 - <br /> %SS: N/A 10 N/A N/A N/A 93.1 96.4 3.52 70 130 <br />�. All target compounds in the Method Blank ofthis extraction batch wereND less than the method RL with the following exceptions: <br />�. NONE <br /> I <br /> I <br /> i <br /> i <br /> i <br /> i <br /> MS=Matrix Spike;MSD=Matrix Spike Duplicate;LCS=Laboratory Control Sample;LCSD=Laboratory Control Sample Duplicate;RPD=Relative Percent ' <br /> Deviation. <br /> %Recovery=100'(MS-Sample)/(Amount Spiked);RPD=100-(MS- MSD)/((MS+MSD)12). <br /> MS and/or MSD spike recoveries may not be near 100%or the RPDs near 0%it a)the sample is inhomogenous AND contains significant concentrations of <br /> analyte relative to the amount spiked,or to if that specific sample matrix interferes with spike recovery. 1 <br /> £TPH(btex)=sum of BTEX areas from the FID. , <br /> p cluttered chromatogram;sample peak coelmes with surrogate peak. <br /> N/A=not enough sample to perform matrix spike and matrix spike duplicate. <br /> 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 <br /> analyte content <br /> DHS Certification No. 1644 QA/QC Officer <br /> i, r 6 <br />