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110 2nd Avenue South #137,Pacheco CA 94553-5560 <br /> McCampbell Analytical, Inc. Telephone 925-798 1620 Fax 925 798 1622 <br /> Website www mccampbell cnm E-mail mam@mccampbell com <br /> QC SUMMARY REPORT FOR SW8021B18015Cm <br /> W O Sample Matrix Water QC Matrix Water WorkOrder 0503501 <br /> EPA Method SW8021B18015Cm Extraction SW5030B SatchlD 15631 Spiked Sample ID 0503506-014A <br /> Sample Spiked MS' MSD" MS-MSD` LCS LCSD LCS-LCSD Acceptance Criteria(% <br /> Analyte <br /> ) <br /> pglL pglL % Rec % Rec %RPD %Rec %Rec %RPD MS 1 MSD LCS I LCSD <br /> TPH(btex)£ ND 60 944 992 504 965 102 5 10 70-130 70- 130 <br /> MTBE ND 10 857 909 5 87 879 922 480 70-130 70- 130 <br /> Benzene ND 10 106 112 524 98 2 106 778 70-130 70- 130 <br /> Toluene ND 10 104 107 3 35 97 8 103 538 70- 130 70- 130 <br /> Ethylbenzene ND 10 106 110 3 65 102 109 642 70-130 70- 130 <br /> Xylenes ND 30 953 96 0 697 91 957 500 70-130 70- 130 <br /> %SS 109 10 114 116 0 970 107 108 1 45 70-130 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 /> BATCH 15631 SUMMARY <br /> Sample ID Date Sampled Date Extracted Date Analyzed Sample iD Date Sampled Date Extracted Date Analyzed <br /> IIIIIIIIIIIIIIIIIr 0503501-031A 3128105 4101105 7 26 AM 4101/05 7 26 AM 0503501-032A 3128/05 4101105 7 56 AM 4/01105 7 56 AM <br /> 0503501-033A 3128/05 4!01105 12 41 AM 4101105 12 41 AM <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate,RPD=Relative Percent Deviation <br /> %Recovery=100.(MS-Sample)/(Amount Spiked) RPD=100'(MS- MSD)I((MS+MSD)12) <br /> r MS I MSD spike recoveries and 1 or%RPD may fall outside of laboratory acceptance criteria due to one or more of the following reasons a)the sample is inhomogenous <br /> AND contains significant concentrations of analyte relative to the amount spiked or b)the spiked sample s matrix inlerrares with the spike recovery <br /> £TPH(btex)=sum of IBTEX 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 matrix spike duplicate <br /> NR=anal a 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 analyte content <br /> DHS Certification No 1644 1 L QA/QC Officer <br />