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t4 � r1 <br /> 110 2nd Avenue South #137 Pacheco CA 94553 5560 <br /> Inc.McCampbell Analytical, ITelephone 925 796 1620 Fax 925 798-1622 <br /> Websue www mccampbell cum E mail main@mccampbell com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> W O Sample Matrix Water QC Matrix Water WorkOrder 0504049 <br /> EPA Method SW80211318015Cm Extraction SW50308 $atchlD 15752 Spiked Sample ID 0504056-005A <br /> Sample Spiked M5 MSD MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Analyte <br /> pg1L )1g/L % Rec % Rec %RPD %Rec % Rec I % RPD MS/MSD 'I LCS/LCSD <br /> TPH(btcx)e ND 60 92 1 924 0 410 90 3 947 471 70- 130 70- 130 <br /> MTBE ND 10 945 93 9 0 631 107 965 102 70- 130 70-130 <br /> Benzene ND 10 109 107 196 112 103 8 79 70- 130 70-130 <br /> Toluene ND 10 104 105 0 247 109 100 851 70- 130 <br /> 70- 130 <br /> Ethylbenzene ND l0 106 105 0 440 104 992 495 70- 130 70- 130 <br /> Xylenes T ND 30 90 7 90 7 0 86 7 86 3 0 385 70- 130 70 130 <br /> %SS 93 10 115 115 0 119 112 k 627 1 70- 130 70 130 <br /> All tat get compounds in the Method Blank of this extraction batch were ND fess than the method RI-with the following exceptions <br /> NONE <br /> BATCH 15752 SUMMARY <br /> ample 10 Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> 504049-007A 4105105 4/12/05 4112/05 7 53 PMI _ <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)!((MS+MSD)!2) <br /> MS 1 MSD spike recoveries and 1 or%RPD may fall outside of laboratory acceptance critena 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 STEX areas from the FIB <br /> cluttered chromatogram sample peak coelutes with surrogate peak <br /> IA=not applicable or not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=anaiyte 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 eDC% QA/QC Officer <br />