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I110 2nd Avenue South #D7,Pacheco CA 94553-5560 <br /> McCampbell Analytical, Inc. Telephone 925-798-1620 Fax 925-798 1622 <br />' Websue www tnceampbell com E mail mamQmccampbell com <br /> i <br /> SQC SUMMARY REPORT FOR SW8021B18015Cm <br /> W O Sample Matrix Water QC Matrix Water WorkOrder 0411222 <br />' EPA Method SW80211318015Cm Extraction SW50308 BatchlD 13955 Spiked Sample ID 0411224-005A <br /> Sample Spiked MS" MSD' IDIS-MSD` LCS I LCSD LCS-LCSD Acceptance Criteria(%) <br /> Analyte <br />' pg/L pg1L % Rec % Rec % RPD %Rec %Rec % RPD MS!MSD LCS/LCSD <br /> TP11(btex)> ND 60 957 977 203 847 912 739 70-130 70- 130 <br /> MTBE ND 10 101 989 249 85 4 927 325 70-130 70-130 <br />' Benzene ND 10 105 103 2 51 95 8 95 9 00935 70-130 70-130 <br /> Toluene ND 10 102 101 1 34 97 964 0 624 70-130 70- 130 <br />' Ethylbenzene ND 10 104 102 231 100 995 0 831 70-130 70- 130 <br /> Xylenes ND 30 95 3 91 3 429 99 100 101 70- 130 E 70- 130 <br />' %SS 107 10 108 105 298 103 100 294 70- 130 1 70- 130 <br /> All target compounds in the Method Blank of this extraction batch .were ND less than the method RL with the following exceptsons <br />' NONE <br /> 1• <br /> 1 <br /> 1 <br />' MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> %Recovery=100'(MS-Sample)/(Amount Spiked) RPD=100'(MS- MSD)!((MS+MSD)/2) <br /> MS!MSD spike recoveries and I or%RPD may fall outside of laboratory acceptance cntena due to one or more of the following reasons a)the sample is <br /> inhomogenous AND contains significant concentrations of analyte relative to the amount spiked or b)the spiked samples matrix interferes with the spike recovery <br /> E TPH(btex)=sum of BTEX 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 matnx spike duplicate <br /> NR=analyte 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 <br /> janalyte content <br /> DHS Certification No 1644 QA/QC Officer <br />