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I <br /> 110 2nd Avcnue South f1D7 Pacheco CA 94553 5560 <br />'�---- -- - -McCampbell-Analytical, Inc. Telephone 925_7981620-„Fax 9257798Z1622� ,� —� <br /> I . I -- „ < site wiww n=an4)belLcom,E n=iL Liam@mi.wnqlbelLcom M � <br />' QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> W O Sample Matrix AirlWater QC Matrix Water WorkOrder 0508395 <br />' EPA Method SW8021B18015Cm Extraction SW5030B BatchlD 17687 Spiked Sample ID 0508416-005A <br /> Analyte <br /> Sample Spiked MS MSD MS-MSD LCS LCSD LCS-LCSD Acceptance Crlterla(%) <br />' lig/L lig1L %Rec % Rec %RPD %Rec %Rec %RPD MS 1 MSD LCS f LGSD <br /> I PH(btex)t ND 60 92 938 199 907 909 0 216 70-1-30 70-130 <br /> MTBE ND 10 923 93 l 0 838 906 93 264 70-130 70-130 <br /> - <br /> Benzene ND 10 92 4 928 0 391 913 933 0 70-130 70-130 <br /> Toluenc ND 10 93 6 93 5 00949 936 l 933 0 307 70- 130 70-130 <br /> Ethylben7ene ND 10 911 919 2 50 1166 1161 0 482 70 130 70-130 <br />' Xylenes ND 30 95 3 99 377 993 99 0 336 70 130 70-130 <br /> %SS 112 10 97 98 101 97 98 0 870 1 70-130 70-130 <br />' All target compounds to the Mcthod Mark ofthis extraction batch were ND less than the method RL with the fallowing exceptions <br /> NONh <br /> BATCH 17687 SUMMARY <br /> Sample ID Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br />' 0I 0508395-OOIA 8123105 12 45 PM 8125/05 8/25105 4 29 AMI 0508395-002A 8123105 12 35 PM 8125/05 8125105 8 27 AM <br /> 05DB395-003A 8123105 12 30 PM 8125105 8125105 5 28 AM 0508395-004A 8123/05 1 00 PM 8124105 8124105 2 05 PM <br /> 1 <br />' MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Semple,LCSD=Laboratory Control Sample Duplicate,RPD=Relative Percent Deviation <br /> %Recovery=100•(MS-Sample)I(Amount Spiked) RPO=100'(MS- MSD)I((MS+MSD)/2) <br />' MS I MSD spike recoveries and 1 or%RPD may fall outside of laboratory acx:eplance cntena due to one or more of the folbwing 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 />' #cluttered chromatogram,sampte peak ooelufas with surrogate peak <br /> NIA=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=analyle concentration in sample exceeds spike amount for soil matrix or exceeds 2x spike amount for water matrix or sample diluted due to hiah matnx or analyte content <br /> I it <br />' DHS Certification No 1644 WT QA/QC Officer <br />