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110 2nd Aienue South #D7 Pacheco CA 94553 5560 <br /> Inc.McCampbell Analytical, Itelephone 925 798 1620 Fax 925 798 1622 <br /> r website www mccarripbell com F mail main@mccampbell com <br /> QC SUMMARY REPORT FOR SW8021B18015Cm <br /> W O Sample Matrix Water QC Matrix Water WorkOrder 0509017 <br /> EPA Method SW8021113l8015Cm Extraction SW5030B BatchlD 17818 Spiked Sample ID 0509024-001A <br /> Analyte Sample Spiked MS MSD MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria{%) <br /> pg1L pg/L %Rec % Rec %RPD %Rec %Rec % RPD MS 1 MSD LCS/LCSD <br /> TPH(btex)£ ND 60 125 112 1 1 0 112 117 1 404 70- 130 70- 130 <br /> MTBE ND 10 108 942 141 95 7 939 198 70- 130 70- 130 <br /> Benzene ND 10 959 92 2 3 91 91 7 997 326 70- 130 70-130 <br /> Toluene ND 10 102 93 7 834 93 7 897 427 70-130 70-130 <br /> Ethylbenzene ND 10 987 954 3 48 95 1 91 6 376 70- 130 70- 130 <br /> Xylenes ND 30 997 963 3 40 95 7 943 1 40 70- 130 70- 130 <br /> %SS 106 10 102 98 4 84 97 97 0 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 17818 SUMMARY <br /> Sample 1D Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> 9017-001A 8/31105 8 45 AM 9/03105 9/03105 7 38 AM 0509017-002A 8131/05 10 15 AM 9/03105 9103/05 2 11 AM <br /> 509017-003A 8131105 9 10 AM 9/03105 9/03105 8 37 AM 0509017-004A 8/31/05 9 55 AM 9/03105 9/03/05 9 07 AM <br /> 0509017-005A 9/31105 9 25 AM 9102105 9/02/05 10 43 PM 0509017-005A 8/31/05 9 25 AM 9/03/05 9103/05 5 39 PM <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)1(Amount Spiked) RPD=100"(MS- MSD)1((MS+MSD)12) <br /> MS/MSD spike recoveries and 1 or%RPD may fall outside of laboratory acceptance c itena due to one or more of the following reasons a)the sample is inhomogenous AND <br /> contains significant concentrations of analyte relative to the amount spiked or b)the spiked sample s matrix interferes with the spike recovery <br /> £TPH(btex)=sum of BTEX areas from the FID <br /> #cluttered chromatogram sample peak coelutes with surrogate peak <br /> not applicable or not enough sample to perform matrix spike and matrix spike duplicate <br /> NR= <br /> analyte concentration in sample exceeds spike amount for soil matrix or exceeds 2x spike amount for water matnx or sample diluted due to high matrix or analyte content <br /> DHS Certlftcatton No 1644 60,/ QA/QC Officer <br />