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I' <br /> 0 2nd Avenue South,#D7,Pacheco CA 94553-5560 <br /> McCampbell Analytical Tnc Telephone 925 798-1620 Fax 925-798-1622 <br /> h //www mccampbell coin Jrmail main c bel]cam <br /> QC SUMMARY REPORT FOR SW8021B18015Cm <br /> Matrix W WorkOrder 0311295 <br /> EPA Method SW8021B18015Cm Extraction SW5030B BatchlD 9413 Spiked Sample ID 0311295-014A <br /> Sample Spiked MS` MSD' MS-MSD` LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> pg/L pg/L %Rec % Rec % RPD %Rec % Rec %RPD Low High <br /> TPH(btex)£ ND 60 97 963 0 715 975 964 1 11 70 130 <br /> MTBE ND 10 89 1 90 5 1 63 102 89 136 70 130 <br /> Benzene ND 10 97 98 5 1 50 975 95 6 189 70 130 <br /> Toluene ND 10 101 100 0 482 101 991 183 70 130 <br /> Ethylbenzene ND 10 103 105 1 61 103 102 0 962 70 130 <br /> Xylenes ND 30 107 107 0 107 107 0 70 130 <br /> %SS 110 100 107 110 2 50 106 105 13797 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=Matnx Spike MSD=Matrix Spike Duplicate LCS=LaboratoryControl SampSe LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> %Recovery=100`(NIS-Sample)!(Amount Spiked) RPD=100.(MS- MSD)1((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 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 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 />