Potassium sample log, WTC site, Oct 30 2001

NYC 9/11 Public Portal Document

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Element: K Seq. No.: 116 AS Log.: Date: 10/30/2001 SaittEfle ID: 26165 ' ______ Repl SampleConc StndConc BlnkCorr Time # /ig/L Signal 1 2026 2026 0.365 15:44:43 2 2028 2028 0.365 15:44:51 3 2017 2017 0.364 15:44:58 4 2015 2015 0.363 15:45:05 Mean: 2021 2021 0.364 SD : 6.309 6.309 0.001 %RSD: 0.31 0.31 0.31

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Element; K Seq. No,: 117 AS Log.: Date: 10/30/2001 Sample ID: 26202

Repl San^jleConc StndConG BlnkCorr Time # /ig/L Mg/i* Signal 1 510.3 510.3 0.097 15:45:27 2 506.9 506.9 0.096 15:45:35 3 508.6 508.6 0.096 15:45:42 4 503.9 503.9 0.095 15:45:49 Mean: 507.4 507.4 0.096 SD : 2.750 2.750 0.000 %RSD: 0.54 0.54 0.51

i = = =!S= = = = = = = = O = = = Z= = = = = = = = = = = = B = = = = =!----- = -;

Element: K Seq. No.: 118 AS Log.: Date: 10/30/2001 San^jle ID: 26203

Repl San^jleConc StndConc BlnkCorr Time # Mg/L /ig/l* Signal 1 511.8 511.8 0.097 15:46:09 2 499.6 499.6 0.095 15:46:17 3 504.7 504.7 0.096 15:46:24 4 502.8 502.8 0.095 15:46:31 Mean; 504.8 504.8 0.096 SD : 5.137 5.137 0.001 %RSD: 1.02 1.02 0.95

Element: K Seq. No.: 119 AS Log.: Date: 10/30/2001 Sample ID: QCS

Repl San^leConc StndConc BlnkCorr Time # Signal 1 508.8 508.8 0.096 15:46:44 2 501.1 501.1 0.095 15:46:52 3 4 Mean: SD : 502.4 498.3 502.7 4.441 7 502.4 498.3 502.7 4.441 0.095 15:46:59 0.094 15:47:06 0.095 0.001 %RSD: 0.88 0.88 0.83

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