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<H (N <br /> 110 2nd Avenue South,#D7 Pacheco CA 94553 5560 <br /> Inc.McCampbell Analytical, 1 Telephone 925-798 1620 Fax 925 798-1622 <br /> Website www mecampbell corn E mail roam®mccampbell corn <br /> QC SUMMARY REPORT FOR SW8021B/801SCm <br /> W O Sample Matrix Water QC Matrix Water WorkOrder 0507050 <br /> EPA Method SW8021BIS015CM Extraction SW5030B BatchlD 16991 Spiked Sample iD 0507050-002A <br /> Sample Spiked MS MSD MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Analyte <br /> pglL pglL % Rec %Rec % RPD %Rec %Rec % RPD MS 1 MSD LCS I LCSD <br /> TPH(btcx)£ ND 60 104 105 0 113 105 106 1 22 70- 130 70-130 <br /> MTBE ND 10 971 944 276 107 105 1 37 70- 130 70- 130 <br /> Benzene ND 10 113 110 2 21 111 115 339 70- 130 70- 130 <br /> Toluene ND 10 107 104 286 104 107 246 70- 130 70- 130 <br /> Ethylbenzene ND 10 110 111 1 59 109 111 243 70- 130 70- 130 <br /> Xylenes ND 30 96 963 0 347 96 96 0 70 130 70- 130 <br /> %SS 105 10 112 113 1 24 111 1 112 104 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 /> BATCH 169Q1 SUMMARY <br /> AlMk Sample ID Date Sampled Date Extracted Dale Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> RW� <br /> 0547050-001A 7101105 9 19 AM 7!07105 7107!05 9 08 PM 0507050-001A 7/01105 9 19 AM 7109/05 7109105 8 56 AM <br /> 0507050-002A 7/01105 9 33 AM 7107/05 7107105 9 38 PM <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)1((MS+MSD)/2) <br /> MS/MSD spike recoveries and I or%RPD may fall outside of laboratory acceptance criteria 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 /> 0#cluttered chromatogram sample peak coelutes with surrogate peak <br /> NIA=not applicable or not enough sample to perform matnx 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 sam le diluted due to high matrix or anal a content <br /> DHS Certification No 1644 QA/QC Officer <br />