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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: Flame Atomic Absorption <br /> QC Batch#: WN0258 <br /> Matrix: Water Date Analyzed: 08/13/97 <br /> Units: in Quality Control Sample: D12702 <br /> PARAMETER Method# MB SA SR Sp SpSp <br /> i D SPI) RPD <br /> C <br /> mg/L rn�JVL 1 mg/L I mg/ Q LIMITS <br /> L I %R m2/L % R %R <br /> ,U m.inurn 1 202.1 1 na I na I na I na I na i na 1 80- 120 20.0 1 <br /> U . RPD <br /> na <br /> Antimony 1 204.1 11 na 11 na 11 na 11 na na 11 na 11 na na 80- 120 <br /> 'Barium 1 <br /> 208.1 20.0 <br /> na <br /> na : na : na na ; na na <br /> 1 na <br /> lBeryllium 1 80- 120 20.0 1 <br /> 210.1 na 1 na 1 na I na I na I na I na I na 1 80- 120 20.0 <br /> I I f <br /> ,Cadmium 213.1 11 na 11 na 11 na 11 na I na I na na <br /> 'Chromium 80- 120 20.0 <br /> 218.1 1 na na : na na na : na I na <br /> f 11 na na 80- 120 20.0 <br /> i Cobalt 1 219.1 1 na na I na na na I na I na I na <br /> Kopper I I I <br /> i I 1 80- 120 20.0 <br /> 1 220.1 na na if na I na i na na I na <br /> Lead 1 1 80- 120 20.0 <br /> f I na <br /> 1 239.1 na na i na 11 na n a na na na <br /> (Manganese 1 80- 120 20.0 <br /> 1 243.1 1 na na I na I na na I na I na I na <br /> Molybdenum <br /> 246.1 na 1 80- 120 20.0 <br /> n a i na i na i na I na I na I na 1 80- 120 20.0 <br /> 'Nickel 249.1 <0.05 0.50 ND 0.53 107 0.52 104 2.3 80- 120 20.0 <br /> [Silver i 272. <0.05 0.50 ND 0.51 103 0.4998 1 <br /> 4.2 - 120 <br /> 'iThallium i na i na i na i na 279.1 i na i na na na 80 80- 120 20.0 1 <br /> Vanadium 286.1 1' na na na na 20.0 <br /> n a i na na na <br /> 80- 120 20.0 <br /> 'Zinc 289.1 1 <br /> na na na na na I na na na 1 80- 120 <br /> 20.0 <br /> Note: LCS and LCSD results reported for the following Parameters: <br /> None <br /> Acceptable LCS and LCSD results are reported when matrix interferences cause MS and MSD results to fall outside 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 />