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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 ICP <br /> QC Batch# WM981222 Date Analyzed 12/24/98 <br /> Matrix Water <br /> Units m L Quality Control Sample Blank Spike <br /> ' PARAMETER Method# MB SA SR SP SP SPD SPD RPD QC LIMITS <br /> m m L rn L m %R m % R %R RPD <br /> ;Antimony 2007 ' na na 1 na na ' na i na na na 1 75- 125 ; 250 <br /> .Arsenic 1 2007 1 <0 005. 050 I ND 1050 1 100 1 055 1 111 1 105 75- 125 1 250 1 <br /> 1 1 1 1 1 1 1 1 1 1 ! 1 1 <br /> 1 1 1 1 1 1 1 1 1 1 f 1 1 <br /> 'Barium 200 7 ' na ' na ; na na ' na na na na ; 75- 125 250 ; <br /> 1 1 200 7 1 1 1 1 1 1 1 1 75- 125 ' 250 =' <br /> ,Beryllium 1 na na 1 na 1 na 1 na na 1 na na 1 1 <br /> 1 1 1 1 1 1 1 1 1 1 1 1 1 <br /> ' 'Cadmium ' 2007 1 <0 005 1 050 1 ND 1 054 . 108 • 054 1 108 1 04 1 75- 125 . 250 1 <br /> . <br /> 1 1 1 1 1 = 1 1 1 1 1 l 1 <br /> 'Calcium ' 2007 1 na ' na ' na ' na ' na ' na ' na ' na ' 75- 125 ' 250 ' <br /> 1 1 1 1 1 1 1 = 1 1 = 1 = <br /> .Chromium I 2007 1 <0 005 1 050 1 ND 1 052 1 105 1 051 1 101 1 3 3 1 75- 125 1 250 1 <br /> 1 1 1 1 1 1 1 1 1 1 1 1 1 <br /> 1 1 1 1 1 1 1 i <br /> ' 'Cobalt 2007 1 1 <0 005 ' 050 ' ND 1 1 054 1 1 107 ' 055 ' 110 ' 24 1 1 1 75- 125 1 250 ' <br /> 1 1 1 1 1 1 1 1 1 1 1 1 <br /> 'Copper I 2007 1 <0 005 1 050 1 ND 0 49 . 98 1 0 56 113 ` 13 5 l 75- 125 1 25 0 1 <br /> Iron 2007 ; <0 050; 500 ND 1 562 112 600 120 66 1 75- 125 250 <br /> ;Lead ' 2007 ' <0 005 1 050 1 ND ' 059 ' 118 ' 052 1 104 ' 132 ' 75- 125 ' 250 1 <br /> 1 1 1 1 1 l 1 1 1 1 1 1 = <br /> llMagnesium 1 2007 na na na 1 na na na na I na 1 75- 125 250 <br /> i 1 i < i 1 i i i i i i 1 <br /> ,Manganese 200 7 0 0]0, 0 50 ND , 0 S4 108 , 0 56 , l l] , 2 9 75- 125 250 <br /> 'Molybdenum 200 7 1 <0 0051 1 050 . ND 1 053 1 105 1 058 1 115 1 93 1 75- 125 . 250 I <br /> 'Nickel 2007 ; <0 005 1 050 ND ; 056 1I2 1 057 114 1 9 75- 125 250 <br /> 'Potassium 1 2007 ' na = na ' na ' na ' na ' na ' na ' na ' 75- 125 ' 250 ; <br /> 'Selenium 1 2007 <0 0051 050 1 ND 1 046 1 91 053 1 105 1 145 1 75- 125 1 250 1 <br /> 1 Silver 1 2007 1 <0 005 1 050 1 ND 1 052 + 105 1 057 1 114 1 82 1 75- 125 1 250 <br /> I <br /> 1 , 1 1 1 1 1 1 1 1 1 1 <br /> 1 1 1 1 1 1 1 1 1 1 1 <br /> 1 , 1 1 1 1 1 1 1 1 1 l , <br /> ,Sodium 1 200 7 , na 1 na , na , na 1 na 1 na 1 na , na , 75- 125 1 25 1 <br /> 1 1 1 1 1 1 1 1 1 1 / , <br /> 'Thallium 1 2007 ' na I na na na 1 1 1 na 1 na . na 1 na 1 75- 125 1 250 <br /> ' <br /> 1 <br /> 'Vanadium 1 200 7 ' <0 0051' 050 1 1 1 ND 1 011 ' 110 ' 055 ' 109 1 1 07 :1 75- 125 ' 250 ; <br /> ' 1 1 1 1 1 1 1 1 1 1 <br /> ;Zinc 2007 <0 005 ; 050 1 ND 054 1 108 059 118 89 ` 75- 125 1 250 <br /> Note LCS and LCSD results reported for the follow ing Parameters <br /> As Cd Cr Co Cu Fe Pb Mn Mo Ni Se AgVZn <br /> Acceptable LCS and LCSD results are reported when matrrs 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 />