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Entech Analytical Labs, Inc. <br /> 525 Del Rey Avenue,Suite E <br /> Sunnyvale,CA 94086 <br /> QUALITY CONTROL RESULTS SUMMARY <br /> METHOD: ICP <br /> QC Batch#: WN0258 <br /> Matrix: Water Date Analyzed: 08/15/97 <br /> Units: mr <br /> ZL Quality Control Sample: D12702 <br /> PARAMETER Method# MB SA SR 1 <br /> SP SP SPD SPDRPD <br /> m L m L <br /> QC LIMITS <br /> 0 <br /> m L ! m L %R m <br /> ,Antimony 1 200.7 1 <0.005 %R R�tPD <br /> 1 1 0.50 0.024 5��* ==j <br /> 111 11,�' ': 1 105 0.55 105 1 0.0 1 75- 125 20.0 <br /> ,Arsenic 200.7 ' <0.005,' 0.50 ND 0.53 106 0.52 104 2.1 <br /> 'Barium 200.7 1 75- 125 20.0 <br /> 1 11 <0-005 11 0.50 If 0.071 0.57 100 0.55 <br /> f 96 <br /> ,Beryllium it 200.7 1 <0.0051 0.50 1 4.1 75- 125 20.0 <br /> f ND 1 0.49 98 1 0.49 97 1.2 1 75- 125 <br /> ,Cadmium 200.7 ' <0.005, 0.50 ND 0.52 103 0.51 20.0 <br /> 'Chromium 101 11 2.3 1 <br /> 1 1 75- 125 20.0 <br /> 200.7 11 <0-005 0.50 0.023 0.51 97 0.52 99 11 2.2 75- 125 20.0 <br /> ,Cobalt 1 200.7 <0.005 0.50 ND 0.46 92 0.46 92 1 0.2 <br /> [Copper 200.7 <0.005 75- 125 20.0 <br /> 0.50 0.134 0.63 99 0.64 100 11 <br /> Lead 75- 125 20.0 <br /> 200.7 <0-005 0.50 ND 0.47 95 0.45 91 1 1.8 <br /> Molybdenum 1 4.3 75- 125 <br /> 1 1 200.7 1 <0-005 1 0.50 20.0 <br /> Nickel ND 1 0.53 11 105 1 0.53 11 106 1 0.8 75- 125 20.0 <br /> 1 2007 <0-005 1' 0.50 0.007 0.52 1 102 0.54 1 107 i 4.0 i 75- 125 20.0 <br /> 'Selenium 200.7 <0.005,' 0.50 ND 0.45 90 0.46 91 <br /> Silver 1.1 11 75- 125 <br /> 200.7 <0-005 1 na na 1 20.0 <br /> na n I na I I na I <br /> ,Thallium a na 1 75- 125 20.0 <br /> 1 200.7 1 <0-005 1 0.50 ND 0.48 96 0.46 92 if 4.5 75- 125 20.0 <br /> ,Vanadium 200.7 <0.005,' 0.50 ND 0.48 95 0.47 94 fl 1.3 <br /> Zinc <0 75- 125 <br /> 200.7 .00511 0.50 11 0.065 0.53 93 0.54 95 1 20.0 <br /> 1 1.7 <br /> 1 1 1 75- 125 20.0 <br /> Note: LCS and LCSD results reported for the following Parameters: <br /> Silver <br /> Acceptable LCS and LCSD results are reported when matrix interferences cause MS and MSD results to fall outside <br /> established QC limits. <br /> Definition of Terms: <br /> MB: Method Blank <br /> na: Not analyzed in QC batch <br /> SA: Spike Added <br /> SR: Sample Result <br /> SP: Spike Result <br /> SP(%R) Spike%Recovery <br /> SPD Spike Duplicate Result <br /> SPD(%R) Spike%Recovery <br />