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McCampbell Analytical, Inc. 1102ndAvenueSouth5-79 q16 Pacheco 25 94553-5560 <br /> Telephone 925-798 3620 Fax 925 798 1622 <br /> Website www mccampbell cam E mail main@mccampbell com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0406141 <br /> EPA Method SW8021B/8015Cm Extraction SW5030B BatchlD 11886 Spiked Sample ID 0406144-001A <br /> Sample Spiked MS' MSD" IVIS-MSD' LCS LCS[ LCS-LCSD Acceptance Criteria <br /> pg/L pg/L % Rec % Rec % RPD %Rec % Rec %RPD Low High <br /> TPH(btex)£ ND 60 100 962 403 985 97 5 0 989 70 130 <br /> MTBE ND 10 103 104 0 589 108 107 1 04 70 130 <br /> Benzene ND 10 112 114 126 106 106 0 70 130 <br /> Toluene ND 10 107 107 0 104 101 2 92 70 130 <br /> Ethylbenzene ND 10 111 110 0 216 108 105 208 70 130 <br /> Xylenes ND 30 96 7 963 0 345 96 953 0 697 70 130 <br /> %SS 107 10 105 109 376 101 104 300 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 /> 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)I(Amount Spiked) RPD=100'(MS- MSD)/((MS+MSD)/2) <br /> '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 <br /> analyte relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br /> £TPH(btex)=sum of 8TEX areas from the FID <br /> #cluttered chromatogram sample peak coolutes with surrogate peak <br /> NIA=not applicable or not enough sample to perform matrix spike and matrix 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 /> analyte content <br /> I <br /> DHS Certification No 1644 QA/QC Officer <br />