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110 2nd Avenue South ND7 Pacheco CA 94553-5560 <br />' McCampbell Analytical, Inc. Telephone 925-795-1620 Fax 925 799-1622 <br /> Website www mccampbell corn E-mall main@urcampbell corn <br />' QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> W O Sample Matrix Water QC Matnx Water WorkOrder 0502287 <br />' EPA Method SW8021BI8015Cm Extraction SW5030B BatchlD 15082 Spiked Sample ID 0502287-004A <br /> Analyte Sample Spiked MS' MSI]" MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> 11g/L pglL %Rec %Rec % RPD % Rec % Rec %RPD MS!MSD LCS 1 LCSD <br /> TPH(btex)e ND 60 101 987 2 19 889 892 0 365 70-130 70- 930 <br />' MTBE ND 10 101 929 838 916 945 307 70-130 70-130 <br /> Benzene ND 10 896 88 184 89 888 0 215 70-110 70- 130 <br />' Toluene ND 10 854 83 282 91 8 924 0 664 70-130 70- 130 <br /> Ethylbenzene ND 10 92 9 924 0 628 95 3 95 2 0 173 70-130 70- 130 <br /> Xylenes ND 30 91 907 0 367 953 95 3 0 70- 130 70- 130 <br /> %SS 107 10 97 97 0 98 97 1 12 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 /> 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)1(Amount Spiked),RPD=100`(MS- MSD)1((MS+MSD)12) <br /> 'MS/MSD spike recoveries and/or°/RPD may fall outside of laboratory acceptance criteria due to one or more of the following reasons a)the sample is <br /> snhomogenous AND 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 /> NIA=not applicable or not enough sample to perforin matrix spike and matrix spike duplicate <br /> NR=analyte 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 <br /> analyte content <br /> IDHS Certification No 1644 QA/QC Officer <br />