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1 I O 2nd Avenue South,#D7,Pacheco CA 94553-5560 <br /> 1-Campbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> h l/www mcc ball com E-mail ca boll com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0304252 <br />' BPA Method SW8021B18015Cm Extraction SW5030B BatchlD 6578 Spiked Sample ID 0304246-001A <br /> Compound Sample Spiked MS" MSD' MS-MSD" LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> pgIL NgIL %Rec %Rec % RPD %Rec %Rec %RPD Low High <br /> TPH(btex) ND 60 103 101 1 17 100 103 326 80 120 <br /> MTBE ND 10 103 914 123 107 104 256 80 120 <br /> Benzene ND 10 99 6 97 6 206 991 95 8 340 80 120 <br /> Toluene ND 10 103 102 1 02 101 99 4 141 80 120 <br /> Ethylbenzene ND 10 103 102 109 102 995 255 80 120 <br /> Xylenes ND 30 110 110 0 107 107 0 80 120 <br /> %SS 101 100 98 7 98 7 0 981 916 180 80 120 <br /> All target compounds to the Method Blank of this extraction batch were ND less than the method AL with the following exceptions <br /> NONE <br /> I - <br /> MS=Matrix Spike MSD=Matnx Spike Duplicate LOS=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 /> J� £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 matnx spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for sod matrix or exceeds 2x spike amount for water matnx or sample diluted due to high matrix or J <br /> Ijanalyte content Ij <br />