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1 <br /> Entech Analytical Labs,Inc. 525 Del Rey Avenue,Suite E <br /> Sunnyvale,CA 94086 <br /> ' QUALITY CONTROL RESULTS SUMMARY <br /> ' METHOD Gas Chromatography <br /> QC Batch# GBG4980829 Dam Analyze& 0829/9$ <br /> ' Matrix Water Quality Control Sample E15631 <br /> Units <br /> ' ARAWTER Method# MB SA SR SP SP SPD SPD RPD QC LMTS <br /> u ug& u %R qPJL %R RPD + %R <br /> +Benzene 1 8020 1 <0 50 t 16 1 ND 1 14 1 87 1 13 1 83 1 46 1 25 + 76-116 i <br /> ' , , 8020 , <0 50 , 16 , ND , 14 , 86 , 13 , 81 , 5 5 + 25 1 75-116 ,,Toluene 1 + i 1 1 i 1 1 1 + 1 1 <br /> :Ethyl Benzene 1 8020 1 <0 50 1 16 1 ND 1 14 1 86 i 13 1 81 1 63 + 25 1 76-116 1 <br /> 1 1 <br /> IXylenes i 8020 + <0 50 1 48 i ND 1 41 + 85 i 38 i 78 1 75 + 25 1 76-119 1 <br /> :Gasoline : 8015 <50 0 1000 : ND : 1140 # 114 1030 : 103 : 101 25 : 63-136 <br /> ' Note LCS and LCSD results reported for the following Parameters <br /> i <br /> ' Gasoline <br /> Acceptable LCS and LCSD results are reported when matrix interferences cause MS and MSD results to fall outside <br /> 'P established QC limits <br /> ' Definition of Terms <br /> na. Not Analyzed in QC batch <br /> MB Method Blank <br /> ' SA Spike Added <br /> SR Sample Result <br /> RPD(%) Duplicate Analysis-Relative Percent Difference <br /> ' SP Spike Result <br /> SP(%R) Spike%Recovery <br /> SPD Spike Duplicate Result <br /> ' SPD(%R) Spike%Recovery <br /> NC Not Calculated <br /> 1 <br /> • <br /> 1 <br />