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J 10 2nd A%enue South tlD7 Pacheco CA 94553-5560 <br /> Inc.McCampbell Analytical, ITelephone 925 798 1620 Fax 925 798 1622 <br /> Website www mccanipbell coin E mail mai ci mccarnpbell coin <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> W O Sample Matrix Soil QC Matrix Soil WorkOrder 0508294 <br /> EPA Method SW8021818015Cm Extraction SW5030B BatchlD 17605 Spiked Sample ID 0508294-OOSA <br /> Analyte Sample Spiked MS MSD MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria (%) <br /> mg/Kg mg/Kg %Rec %Rec %RPD % Rec %Ret % RPD MS/MSD LCS/LCSD <br /> TP1 i btex £ <br /> ( ) ND 060 905 977 7 71 91 7 91 3 0 416 70- 130 70- 134 <br /> MTBE ND 0 10 899 984 899 902 90 1 0 141 70-130 70- 130 <br /> Benzene ND 0 10 914 903 1 26 88 6 91 263 70- 130 70- 130 <br /> Toluene Nil 0 10 903 906 0 424 877 898 2 36 70- 130 70- 130 <br /> Ethylbenzene ND 0 10 93 5 92 1 67 91 932 241 70- 130 70- 130 <br /> Xylenes ND 030 95 84 7 11 5 91 94 7 3 95 70- 130 70- 130 <br /> %SS 104 0 10 1 99 999 0 962 977 1 98 1 0406 1 70- 130 1 70-130 <br /> All target compounds in the Method Blank ofthis extraction batch were ND less than the method RL with the following exceptions <br /> NONE <br /> i <br /> BATCH 17605 SUMMARY <br /> Sample ID Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> 08294-003A 8116105 10 25 AM 8/17/05 8/18105 8 21 AM 0508294-004A 8116105 10 40 AM 8/17/05 8!19/05 7 12 PM <br /> 08294-005A 8116105 12 50 PM 8/17/05 8/18/05 5 50 AM 0508294-006A 8/16/05 2 15 PM 8117105 8118/05 7 49 AM <br /> 0508294-007A 8116105 3 10 PM 8/17/05 8118105 8 19 AM <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent Deviation <br /> %Recovery=104'(MS-Sample)I(Amount Spiked) RPD=100'(MS- MSD)/((MS+MSD)/2) <br /> MS 1 MSD spike recoveries and/or%RPD may fall outside of laboratory acceptance cntena 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 /> #Guttered chromatogram sample peak coelutes with surrogate peak <br /> 40=not enough sample to perform matrix spike and matrix spike duplicate <br /> = <br /> lanae concentration in sample exceeds spike amount for soil matnx or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or analyte content <br /> DHS Certification No 1644 LlL QA/QC Officer <br />