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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 /> Website:www.n=ampbell.com E-mail:main®mccampbell.com <br /> QC SUMMARY REPORT FOR SW8021B18015Cm <br /> W.O.Sample Matrix: Water QC Matrix: Water WorkOrder: 0503506 <br /> EPA Method: SW8021Bl8015Cm Extraction: SW5030B Batchlb:15631 Spiked Sample ID: 0503506-014A <br /> Analyte Sample Spiked MS' MSD` MS-MSD" LCS LCSD LCS-LCSD Acceptance Criteria{%} <br /> pg/L lig/L %Rec. %Rec. %RPD %Rec. %Rec. %RPD MS/MSD LCS/LCSD <br /> TPH(btex)£ ND 60 94.4 99.2 5.04 96.5 102 5.10 70-130 70-130 <br /> MTBE ND l0 85.7 90.9 5.87 87.9 92.2 4.80 70-130 70-130 <br /> Benzene ND to 106 112 5.24 98.2 106 7.78 70-130 70-130 <br /> ,6* Toluene ND t0 104 107 3.35 97.8 103 5.38 70-130 70-130 <br /> Ethylbenzene ND 10 106 110 3.65 102 109 6.42 70-130 70-130 <br /> Xylenes ND 30 95.3 96 0.697 91 95.7 5.00 70-130 70-130 <br /> %SS: 109 10 114 116 0.970 107 108 1.45 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 15631„gUMMARY <br /> Sample ID Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> 503506-014A 3126105 12:55 PM 4/01/05 11:54 AM 4101105 11:54 AM <br /> i+ <br /> MS=Matrix Spike;MSD=Matrix Spike Duplicate;LCS=Laboratory Control Sample;LCSD=Laboratory Control Sample Duplicate;RPD=Relative Percent Deviation. <br /> %Recovery=100'(MSSample)1(Amount Spiked);RPD=100'(MS- MSD)!((MS+MSD)12). <br /> MS 1 MSD spike recoveries and 1 or%RPD may fall outside of laboratory acceptance criteria due to one or more of the following reasons:a)the sample is inhomogenous <br /> AND contains significant concentrations of analyse 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 coeiutes with surrogate peak. <br /> i.r <br /> /A=not applicable or 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 acspike amount far water matrix or sample diluted due to high matrix or analyte content. <br /> DHS Certification No. 1644 QA/QC Officer <br />