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Entech Analytical Labs,Inc. 525 Del Rey Avenue,Suite E <br /> Sunnyvale,CA 94086 <br /> QUALITY CONTROL RESULTS SUMMARY <br /> METHOD: Flame Atorr is Absorption <br /> QC Batch 9: SM970803 Date Analyzed: 08!06197 <br /> Matrix: Soil/Sand Extraction Method: EPA 30:0 <br /> Units: mg/Kg Quality Control Sample: Df 1877 <br /> PARAMETER Method 9 MB 's SA SR SP i P SPD SPI] RPD QC LIMITS <br /> mg/Kgmg/Kg m K m K oR ` m e' %R %R <br /> ,Antimony , 7040 , <0.5 , 1.0 ! 0.0 I 1.0 1 02 , 1.0 , 103 ! 0.8 , 50-150 , <br /> :Barium ' 7080 + <0.5 ' 1.0 ' 0.0 ' 1.0 t 04 ' 1.0 ' 103 ! 1.5 ' 50-150 <br /> Bervllium i 7090 1 <0.5 1 1.0 i 0.0 1 1.0 1 02 1 1.0 1 99 1 3.6 1 50-150 <br /> :Cadmium ' 7130 ' <0.5 ' 1.0 0.2 I 1.1 I 3 I l.1 ! 85 1 1.7 ' 50-150 ! <br /> I I I I l I ! ! I I I I <br /> !Chromium ' 7190 ` <0.5 ' 1.0 ' 0.0 ' l.0 ' 03 ] 1.0 ` 102 ` 0.8 ' 50-150 ' <br /> I 4 ! Y i I I 1 l I - II <br /> (Cobalt 7200 ! <0.5 1 1.0 1 0.0 I 1.0 03 1 1.0 1 104 I 1.7 50-150 i <br /> I I ! I I I I I [ ! E I <br /> :Copper I 7210 1 <0.5 1 1.0 I 0.0 : 1.0 I 02 I 1.0 I 103 I 0.8 I 50-150 I <br /> Lead 7420 i <0.5 i 1.0 0.0 i 1.1 06 i 1.0 i 99 7.3 i 50-150 <br /> 'Macanese ! 7460 + <0.5 ' na ' na ' na + na 1 na ' na ' na 1 50-150 ] <br /> : <br /> :Molvbderlum I 7480 I <0.5 1 1.0 I 0.0 1 1.0 I 02 I 1.0 I 103 I 0.8 1 50-150 1 <br /> :Nickel ` 7520 ' <0.5 1 1.0 ' 0.0 ' I.I ' 05 : 1.1 ° 106 : 1.1 I 50-150 ' <br /> I I ! I ! I I I ! 1 I I <br /> :Silver ] 7760 <0.5 ' 1.0 1 0.2 ' 1.0 ' 2 + 1.0 ' 81 ' 1_1 50-150 <br /> : <br /> :Thallium : 7840 : <0.5 1.0 : 0.0 I 1.1 1 06 : 1.0 I 104 ! 2.6 I 50-150 : <br /> °Vanadium 7910 I <0.5 l.0 : 0.0 : 0.5 ' 52 ° 0.5 53 1.3: : 50-150 : <br /> ] I 1 I 1 i 4 E I l I .I <br /> ;Zinc 7950 ; <0.5 1.0 ; 0.0 1.0 ; 98 1.0 ; 99 0.7 50-150 <br /> Note: LCS and LCSD results reporled for rhe follawing Parameters: <br /> Barium Copper Mot vbdenum <br /> Chromium Lead Zinc <br /> Cobalt Nickel <br /> Acceptable LCS and LCSD results are reported when matrix interferences cause MS and MSD results io fall outside established OC Limits <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 /> SP(%R): Spike%Recovery <br /> SPD: Spike Duplicate Result <br /> SPD(%R): Spike Duplicate%Recovery <br />