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110 2nd A%enue South #D7 Pacheco CA 94553 5560 <br /> Inc.McCampbell Analytical, ITelephone 925 798 1620 Fax 925 798 1622 <br /> Website Aww mecampbell com h mail tmtn amecarnpbell corn <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> W O Sample Matrix Water QC Matrix Water WorkOrder 0508297 <br /> EPA Method SW8021B/8015Cm Extraction SW5030B BatchlD 17607 Spiked Sample ID 0508286-004A <br /> Analyte Sample Spiked MS MSD MS-MSD LCS LCSD 1 LCS-LCSD Acceptance Criteria(%) <br /> pglL pg/L % Rec % Rec % RPD % Rec % Rec % RPD MS/MSD LCS/LCSD <br /> TPH(btex) ND 60 943 89 ! 584 100 102 1 60 70- 130 70- 130 <br /> i I <br /> MTBE ND 10 92 5 908 1 84 91 4 98 i 706 70- 130 70- 130 <br /> Benzene ND 10 91 7 91 5 0 281 104 Ito 503 70- 130 70- 130 <br /> Toluene ND 10 909 91 3 0 491 103 109 428 70- 130 70- 130 <br /> Ethylbenzene ND 10 932 93 3 0 120 107 1 t 1 400 70-130 70- 130 <br /> Xylenes ND 30 95 95 0 96 963 0 347 70- 130 70- 130 <br /> %SS 107 10 98 101 2 92 107 112 473 1 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 17607 SUMMARY <br /> Sample ID Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> 08297-001 A 8116105 11 45 AM 8120105 8/20/05 3 54 PM 0509297-002A 8!16104 1 30 PM 8120105 8/20105 9 56 AM <br /> 08297-003A 8116105 3 45 PM 8/20105 8/20105 10 26 AM <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duphcate RPD=Relative Percent Deviation <br /> %Recovery=100'(MS-Sample)/(Amount Spiked) RPD=100'(MS MSD)I((MS+MSD)12) <br /> MS I MSD spike recoveries and I or%RPD may fall outside of laboratory acceptance criteria 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 AD <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 /> = <br /> anal)le 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 _ QA/QC Officer <br />