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Entech Analytical Labs,Inc. 525 Del Rey Avenue,Suite E <br /> Sunnyvale,CA 94086 <br /> QUALITY CONTROL RESULTS-SUMMARY <br /> Laborator'Control Spikes <br /> -,METHOD: EPA-6010 <br /> Date Analyzed'04/25/00 <br /> QC Batch#:.SM000421 Date Digested: 04/20/00 <br /> Matrix: Solid Digestion Method: EPA 3050' <br /> Units: m Spiked Sample: Blank,5 ike <br /> PARAMETER Method# MB , SA SR SP i SP. SPD SPD RPD QC LIMITS <br /> niglamg/kg %R €m m m , %R- RPD % <br /> R <br /> 1 1 6010 1 -1 , -1 , L _ '- <br /> i. ,Antimony` <1.0 50: 0.0 , " 45. 90 45. 90 0.4 25A 75-125 <br /> l ;Arsenic 6010 <1.0 50. 1 . OA ; 41: ; 81 42: A4 .3.4 25.0 75-125 ; <br /> ;Barium 11' 6010 <1:0 . ' 50. 6.0 49:' ' ; 97. .48• 96 -0.8 25.0 75-125 , <br /> ;Beryllium 6010 . <1:0 50. 0.0 4T 93 46. 93 0.3 . 25.0 75-125 i <br /> 1 1 I b l 1 1 1 <br /> ;Cadmium 6010 <1:0 ; 50::. 0.0 43. 1 46. ; 43. I. 87 1 0.7 . 25.0 1 75-125 l <br /> :Chromium 6010 : ' <1.0 ; 50. 0.0 49• 97 49. 97 0.2 25.0 75-125 <br /> Cobalt 6010 ; <1;0 ; 50. 0.0 . ; 47. 94. 47. 94 0.0 25.0 75-125 <br /> ;Copper 6010 <1.0 150: 1 0.0 ; . 46.' '; 93 1 46. 92 0.6 ; 25.0 75-125 <br /> �l ;Lead 6010 <1.0 50. 0.0:- is 45. I 90 46. 91 1.1 25.0 75-125 <br /> Woiybdenum 601.0 1 <1.0 1 50. 0.0' 1 48. 1 .96 48. 96 1 0.1 25.0 75=125 <br /> :Nickel '6010 1 <1.0 50." `•0.0 1 46. 93 1 46. .1 93 0.2 . 1 25.0' 1 •75-125 <br /> 1 .! I 1 .i 1 - 1 1 i ; <br /> . ! ! f � � 1 1' 1 1 , I 1 1 <br /> ;Selenium ;' '6010 ' ., <l.0 50. OA 43. ; .86 ; .43. ; 86 0.4 25.0 ; 75-125 ; <br /> r 1 1 L 1 1 1 I 1 - 1 <br /> t ;Silver 6010. ; <1.0: 50. 0.0 49: 1 -97 ; 49. 97 1 0.1 1 25.0 1 75-125 ; <br /> :Thallium . 1 6010 ; <1.0I 50. 1 .0.0 A2. 1 .84 45. 90 6.1 1 25.0 75-125 : <br /> I 1, <br /> Vanadium 601'0 ' ; <1A 50. ; 0.0 1 48. . 1' 95 1 '48. : 95 1. 0.0 1 25:0 1 75-125 <br /> 1 , , ; 1 1 1 1 <br /> ;Zinc 6010 <1.0 50.' . 0.0 44.. 1 89 - 1. 45, 89 0.4 25.0 75-I25; <br /> Definition of Terms: <br /> na: Not Analyzed in QC batch <br /> MB: Method Blank <br /> SA: Spike Added <br /> �} .SR:.Sample Result <br /> SP: Spike Result <br /> L•� SP(%R): Spike%Recovery <br /> SPD:.Spike Duplicate Result <br /> SPD(%R): Spike Duplicate%Recovery <br /> Ali ' <br /> i.1 <br />