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Rom/ �... <br /> Rntech Analytical Labs,Inc. 525 Del Rey Avenue,Suite E <br /> N,.W Sunnyvale,CA 94086 <br /> QUALITY CONTROL RESULTS SUMMARY <br /> METHOD: ICP <br /> QC Batch#: SM980821 Date Analyzed: 09/01/98 <br /> Matrix: Solid Extraction Method: EPA 3050 <br /> Units: m Spiked Sam le: E15783 <br /> ARAMETER Method# MB € SA € SR SP SP ': SPD SPD RPD QC LIMITS <br /> m m m m %R m %R RPD %R <br /> Antimony i 6010 : <0.50 i 50. na na i na na i na na 25.0 i 63-112 <br /> :Arsenic 1 6010 1 <0.50 i 50. i 39.6 i 74. i 68 72. 66 i 3.7 i 25.0 i 54-118 i <br /> ,Barium i 6010 : <0.50 50. i na i na nana 25.0 <br /> � � � � � i na i na ' I : 58-120 ; <br /> lBerylhum 6010 <0.50 i 50. i na na na i na i na na i 25.0 i 63-114 i <br /> 'Cadmium 6010 i <0.50 1 50. 1 1.8 1 37. 1 71 1 38. 1 73 2.1 25.0 i 68-104 i <br /> :Chromium i 6010 i <0.50 i 50. i 23.3 i 54. 62 i 55. i 63 i 0.6 i 25.0 i 57-122 <br /> :Cobalt 6010 <0.50 : 50. : na : na : na na : na na 25.0 : 59-113 <br /> :Copper 6010 1 <0.50 50. 25.4 60. 70 57. 62 11.5 25.0 1 48-130 <br /> iLead 6010 i <0.50 i 50. i 0.0 i 49. i 97 i 49. i 99 j' 1.7 i 25.0 i 60-111 i <br /> t i i i i i i i i i i <br /> Molybdenum � 6010 � <0.50 i 50. i na i na � na � na � na � na � 25.0 � 47-118 i <br /> (Nickel 6010 <0.50 50. 1 27.8 1 61. 67 64. 72 6.5 25.0 51-126 <br /> :Selenium i 6010 1 <0.50 i 50. i na i na i na i na i na i na 1 25.0 1 50-115 i <br /> 'ver 6010 <0.50 50. na na na na na na 25.0 56-115 <br /> allium 6010 <0.50 50. na na na na na na 25.0 57-116 <br /> :Vanadium 1 6010 1 <0.50 1 50. 1 na i na i na i na i na i na 1 25.0 1 51-129 <br /> :Zinc 6010 <0.50 i 50. i 35.0 83. 96 72. 75 i 24.5 25.0 i 61-117 i <br /> Note: LCS and LCSD results reported for the following Parameters: <br /> Lead <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 /> na: Not Analyzed in QC batch <br /> MB: Method Blank <br /> SA: Spike Added R F r E I V E D <br /> SR: Sample Result <br /> SP: Spike Result S E P I Z 1998 <br /> SP(°/nR): Spike%Recovery <br /> SPD: Spike Duplicate Result <br /> SPD(°/aR): Spike Duplicate%Recovery HV��1 t ASSOC <br />