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Entech Analytical Labs,Inc. 525 Dei Rey ,Avenue Suite E <br /> Sunnyvale,CA 94086 <br /> QUALITY CONTROL RESULTS SUMMARY <br /> Matrix Spike and Matrix Spike Duplicate <br /> METHOD: EPA 6010 <br /> Date Analyzed: 03/25/99 <br /> QC Batch#: SM990338 Date Digested: 03124199 <br /> Matrix: Solid Digestion Method: EPA 3050 <br /> Units: mg/kg Spiked Sample: G7266 <br /> PARAMETER I Method# MB SA SR SP SP SPD SPD RPD QC LIMITS <br /> mg/kg m m m g € %R m %R RPD %R <br /> 'Antimony 6010 <1.0 1 50. 3.5 42. 1 78 45. 1 84 1 6.7 25.0 1 64-111 ; <br /> ;Arsenic 6010 <1,0 1 50. 1 0.0 1 44. 1 89 1 45. 1 90 1.1 25.0 1 55-117 1 <br /> !Barium 6010 1 <1.0 1 50. 1 98.3 131. 66 129. 61 1.9 25.0 59-119 <br /> 1 1 1 1 1 <br /> !Beryllium 1 6010 1 <1,0 1 50. 1 0.0 1 47. l 95 ! 46. ! 93 l 2.1 1 25.0 1 65-113 1 <br /> 1 ! 1 1 1 1 ! 1 1 1 1 1 1 <br /> /Cadmium I 6010 <1.0 1 50. 1 26.2 1 68. 1 85 I 56. 1 60 1 19.6 , 25.0 , 69-104 1 <br /> 1 1 1 <br /> 1 1 1 1 1 1 1 ! 1 1 1 1 , <br /> !Chromium 1 6010 I <1.0 1 50. 1 58.6 1 9D. 1 64 , 88. 1 60 1 2.2 25.0 1 5$-121 1 <br /> I ! ! i ! i i ! ! i 1 1 i <br /> !Cobalt I 6010 I <1:0 1 50. I 4.4 1 48. 1 8I 1 47. I 86 1 1.7 1 61-112 , <br /> 1 1 1 1 , 1 1 1 1 1 , 25.0 l 1 <br /> !Copper 1 6010 1 <1.0 1 50. 1 47.6 1 80. 1 66 1 79. 1 63 1 1.4 1 25.0 1 51-128 1 <br /> 1 1 1 1 1 1 1 1 1 1 I 1 <br /> 'Lead 1 6010 1 <1.0 1 50. 1 5.3 1 52. 1 94 1 53. 1 96 1 2.1 1 25.0 1 60-112 ; <br /> 1 1 1 1 i 1 1 ! 1 1 1 1 1 <br /> (Molybdenum 1 6010 1 <1.0 1 50. 1 0.0 1 46. 1 91 1 45. 1 91 1 0.4 1 25.0 1 49-117 I <br /> 1 1 1 1 1 1 1 1 1 1 1 1 i <br /> 1 1 1 1 1 1 1 1 ! 1 1 <br /> (Nickel 1 6010 1 <1.0 1 . 50. 1 165.7 1 185. 1 39 1 183. 1 34 1 1 1 1.5 1 25.0 1 53-127 1 <br /> I 1 1 1 1 1 1 1 1 1 1 1 1 <br /> !Selenium 1 60]0 1 <1.0 1 50. 1 OA 1 33. 1 65 1 32. 1 65 1 1.0 1 25.0 1 50-118 ! <br /> 1 I I <br /> 'Silver 1 6010 1 <1.0 1 50. 1 63.3 1 40. 1 -47 1 40. 1 -47 1 0.5 1 25.0 1 57-115 1 <br /> 1 1 I I I I I 1 1 1 , 1 1 <br /> !Thallium I 1 1 1 I 1 1 1 1 1 1 <br /> , , 6010 <1.0 50. 0.0 51. 101 , 55. 110 8.2 25.0 , 57-116 , <br /> 1 I ! 1 I I 1 1 1 1 I I 1 <br /> !Vanadium 1 6010 1 <1.0 50. 1 20.8 1 65. 1 88 1 64. 1 86 1 1.6 1 25.0 1 53-127 ! <br /> I 1 l 1 1 1 1 I 1 1 1 <br /> 1 1 l 1 1 1 1 1 1 1 1 1 1 <br /> (Zinc ! 6010 1 <1.0 1 50. 1 55.1 1 85. 1 60 1 83. 1 55 1 2,7 1 25.0 1 62-116 <br /> 1 1 1 1 1 1 1 1 I 1 1 1 1 <br /> 1 1 1 1 1 1 1 1 1 1 1 1 <br /> Calculated Recoveries Outside of Control Limits: <br /> Cadmium <br /> Nickel <br /> Silver <br /> Zinc <br /> Definition of Terms: <br /> na: Not Analyzed in QC batch <br /> ne: Not Calculated <br /> MB: Method Blank <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 Duplicate%Recovery <br />