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110 2nd Avenue South #D7 Pacheco CA 94553 5560 <br /> McCampbell Analytical, Inc. Telephone 925-798-1620 Fax 925 798-1622 <br /> tWebsite www mccampbell corn E-marl mamQmccampbell com <br /> • QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> W O Sample Matrix Water QC Matrix Water WorkOrder 0501347 <br />' EPA Method SW8021B18015Cm Extraction SW5030B BatchlD 14814 Spiked Sample ID 0501356-003C <br /> Analyte Sample Spiked MS' MSD' MS-MSD` LCS LCSD LCS-LCSD Acceptance Criteria(%) <br />' pg/L pg/L %Rec % Rec % RPD %Rec %Rec %RPD MS 1 MSD LCS/LCSD <br /> TPH(btex)£ ND 60 871 934 693 108 105 252 70-130 70-130 <br />' MTBE ND !0 81 5 894 919 115 106 748 70-130 70- 130 <br /> Benzene ND 10 963 105 992 120 114 499 70-130 70- 130 <br /> Toluene ND 10 966 106 979 110 106 320 70-130 70- 130 <br /> Ethylbenzene ND 10 84 5 107 23 9 112 109 248 70- 130 70- 130 <br /> Xylenes ND 30 96 3 110 13 2 100 100 0 70-130 70-130 <br />' %SS 102 10 102 105 3 54 106 107 0 555 70-130 1 70-130 <br /> All target compounds to the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br />' NONE <br /> lie <br /> I <br /> I <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/or%RPD may fall outside of laboratory acceptance criteria 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 sample s matrix interferes with the spike recovery <br /> £TPtf(btex)=sum of BTEX areas from the FID <br /> #cluttered chromatogram sample peak coelutes with surrogate peak <br /> • N/A=not applicable or not enough sample to perform 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 matnx or sample diluted due to high matrix or <br /> anal a content <br /> IDHS Certification No 1644 QA/QC Officer <br />