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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 ICP <br /> QC Batch# SM980812 Date Analyzed 08/12/9$ <br /> Matnx Solid Extraction Method EPA 3050 <br />' Units m S eked Sam le E 14892 <br /> ARAMETER Method# MB SA SR SP SP SPD SPD RPD QC LIMITS <br /> m .^ rwig4kg mg2Sg mg/kg %R m %R RPD %R <br /> 'Antimony 6010 <0 50 50 ' na 1 na 1 na ' na 1 na ' na 1 250 ' 63-112 ' <br /> (Arsenic I 6010 i <0 50 i 50 i 386 1 94 i 111 i 84 : 91 I 197 i 250 I 55-117 <br /> :Barium 1 6010 I <0 50 i I 1 ' ' I ' 250 ' 1 <br /> I I 50 1 na I na i na i na I na r na I 57-120 i <br /> 'Beryllium : 6010 i <0 50 50 ' na ' na ' na ' na ' na ' na ' 250 ' 64-114 ' <br /> (Cadmium + 6010 1 <0 50 1 50 00 42 + 85 + 4283 I 1 1 i 1 <br /> 1 1 8 I 25 D + 69-104 1 <br />' :Chromium i 6010 : <0 50 : 50 i 277 : 77 : 98 i 74 : 93 i 50 i 250 : 58-122 : <br /> :Cobalt 6010 i <0 50 50 i na i na na na na na 250 1 60-113 ' <br /> Copper 6010 i <0 50 + 50 1 na 1 na + na + na 1 na I na 1 250 1 49-130 + <br /> (Lead i 6010 i <0 50 : 50 : 34 i 45 : 83 : 45 : 84 : 09 : 250 i 59-111 : <br /> I I I I I 1 I i I 1 <br /> (Molybdenum 1 6010 1 <0 50 I 50 iI na 1I na 1 na 1 na I na I na 1 250 � 47-118 i <br /> 'Nickel 6010 ' <0 50 1 50 1 0 0 1 47 i 94 + 41 1 81 1 148 1 250 1 54-124 + <br /> (Selenium I 6010 I <0 50 i 50 : na : na i na i na : na : na 1 250 1 50-116 <br /> Sil <br /> I I I 1 ver 1 6010 + <0 50 1 50 i na I na I na I na i na i na i 250 1 56-116 1 <br /> allium 1 6010 1 <0 50 1 50 1 na 1 na 1 na 1 na + na 1 na + 250 + 56-117 1 <br /> iVanadium 1 6010 1 <0 50 I 50 I na i na i na + na I na i na 1 250 I 51-129 <br />' :Zinc i 6010 1 <0 50 i 50 i 00 49 i 98 : 45 i 91 R 75 i 250 60-117 <br /> Note I CS and LCSD results reported for the following Parametcrs <br />' Nickel <br /> Zinc <br /> 1 Acceptable LCS and LCSD results are reported when matrtz interferf noes 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 <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 /> I <br /> I <br />