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Document / 36 pages

Potassium sample log, WTC site, Nov 18 2001

Machine-extracted title · confidence 90%

Log entry for potassium sample processing activities at the World Trade Center site on November 18, 2001.

NYC-WTC_000065920–000065955

Folder label: “K 11/18/01

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Scanned page image, NYC-WTC_000065940
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OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

Element: K Seq. No.: 68 AS Loc.: Date: 11/18/2001 Sample ID:-aX48J7—'

Repl SampleConc StndConc BlnkCorr Time # Atg/L uq/L - Signal 1 84.87 0.017 12:32:21 2 -18.99 -18.99 -0.005 12:32:29 3 -55.93 -55.93 '^2 -0.012 12:32:36 4 -53.60 -53.60 -0.012 12:32:43 Mean: -10.91 -10.91 -0.003 SD : 66.05 66.05 0.014 %RSD: 605.3 605.3 440.91

Element: K Seq. No.: 69 AS Loc.: Date: 11/18/2001 Sample ID: 27487

Repl San^leConc StndConc BlnkCorr Time # Atg/L gg/L Signal 1 520.9 520.9 0.106 12:33:01 2 526.5 526.5 0.107 12:33:08 3 524.9 524.9 0.107 12:33:15 4 525.9 525.9 0.107 12:33:22 Mean: 524.6 524.6 0.107 SD : 2.499 2.499 0.001 %RSD: 0.48 0.48 0.48

Element: K Seq. No.: 70 AS Loc.: Date: 11/18/2001 Sample ID: •29487dwp ... _____________________ Repl San^jleConc StndConc BlnkCorr Time # Atg/L M<^L Signal 1 452.1 (^9o7^-GA» 0.018 12:33:43 2 442.8 88757 0.017 12:33:51 3 452.8 90.55 0.018 12:33:58 4 52.83 10.57 0.001 12:34:05 Mean: 350.1 70.02 0.014 SD : 198.2 39.65 0.008 %RSD: 56.62 56.62 60.12

Element: K Seq. No.: 71 AS Loc.: Date: 11/18/2001 Sample ID: 27487dup

Repl SampleConc StndConc BlnkCorr Time # Aig/L Mg/L Signal 1 575.4 115.1 0.023 12:34:27 \2 576.4 115.3 0.023 12:34:34 595.1 119.0 0.024 12:34:42 4 587.0 117.4 0.023 12:34:49 Mean: 583.5 116.7 0.023 SD : 9.338 1.868 0.000 %RSD: 1.60 1.60 1.66

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NYC-WTC_000065940

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NYC-WTC_000065940Source: NYC Law Department, mirrored locally

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