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lne. <br /> 110 2nd Avenue South,#D7,Pacheco CA 94553-5560 <br /> McCampbell Analytical, Telephone 925 798-1620 Fax 925-798 1622 <br />' Website www rmcampbellcom E-mail roam rwr-ampbell com <br /> • QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0406291 <br /> EPA Method SW8021 B/8015Cm Extraction SW5030B BatchlD 12001 Spiked Sample ID 0406290-OO1A <br /> Sample Spiked MS- MSD" MS-MSD- LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> µg/L pg/L %Rec %Rec I %RPD %Rec %Rec l %RPD Low High <br /> LL <br /> TPH(btex)£ ND 60 989 93 609 957 962 0 527 70 130 <br /> MTBE ND 10 113 107 553 112 115 307 70 130 <br /> Benzene ND 10 114 104 938 109 107 2 16 70 130 <br />' Toluene _ ND 10 107 92 150 103 101 1 74 70 130 <br /> Ethylbenzene ND 10 111 109 225 108 108 0 70 130 <br /> Xylenes ND 30 963 953 104 92 91 7 0 363 70 130 <br /> %SS 109 10 106 105 134 105 102 231 70 130 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br />' NONE <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)I((MS+MSD)12) <br /> "MS and I 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 <br /> analyte relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br /> £TPH(btex)=sum of BTEX areas from the FID <br />' #cluttered chromatogram sample peak coelutes with surrogate peak <br /> . NIA=not applicable or not enough sample to perform matrix spike and matnx spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for sod matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyle content <br /> DHS Certification No 1644 V QA/QC Officer <br />