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Potassium sample log, WTC site, Oct 30 2001

Machine-extracted title · confidence 90%

Log entry for potassium sample processing activities at the World Trade Center site on October 30, 2001.

NYC-WTC_000065852–000065884

Folder label: “K 10/30/01

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Scanned page image, NYC-WTC_000065875
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NYC 9/11 Public Portal Document

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Element: K Seq. No.: 84 AS Loc,: Date: 10/30/2001 ' Sample ID: 25947

Repl San^leConc StndConc BlnkCorr Time # gg/L Atg/L Signal 1 508.4 508.4 0.096 15:20:39 2 506.4 506.4 0.096 15:20:46 3 508.0 508.0 0.096 15:20:53 4 506.8 506.8 0.096 15:21:00 Mean: 507.4 507.4 0.096 SD : 0.9507 0.9507 0.000 %RSD: 0.19 0.19 0.18

Element: K Seq. No.: 85 AS Loc.; Date: 10/30/2001 Sample ID: 25948

Repl San^leConc StndConc BlnkCorr Time # Mg/L Mg/i* Signal 1 457.2 457.2 0.087 15:21:22 2 508.7 508.7 0.096 15:21:29 3 508.5 508.5 0.096 15:21:37 4 515.2 515.2 0.097 15:21:44 Mean: 497.4 497.4 0.094 SD : 27.00 27.00 0.005 %RSD: 5.43 5.43 5.07

Element: K Seqa No.: 86 AS Loc.: Date: 10/30/2001 San^jle ID: 25948

Repl SanqpleConc StndConc BlnkCorr Time # Mg/i- Signal 1 506.9 506.9 0.096 15:21:59 2 504.3 504.3 0.096 15:22:06 3 502.9 502.9 0.095 15:22:13 4 505.1 505.1 0.096 15:22:20 Mean: 504.8 504.8 0.096 SD : 1.687 1.687 0.000 %RSD: 0.33 0.33 0.31

Element: K Seq. No.: 87 AS Loc.: Date: 10/30/2001 Sample ID: 25949

Repl San^leConc StndConc BlnkCorr Time # Mg/L Signal 1 2022 2022 0.364 15:22:42 2 2044 2044 0.368 15:22:49 3 2050 2050 0.369 15:22:56 4 2033 2033 0.366 15:23:03 Mean: 2037 2037 0.367 SD : 12.44 12.44 0.002 %RSD: 0.61 0.61 0.60

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NYC-WTC_000065875

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NYC-WTC_000065875Source: NYC Law Department, mirrored locally

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