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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_000065937
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document = = = = = = = = = S= = = S5 = = = —SS

Element: K Seq. No.: 56 AS Log.: Date: 11/18/2001 Sample ID: 27477

Repl San^ileConc StndConc BlnkCorr Time # /tg/L gg/L Signal 1 1864 1864 0.382 12:23:35 2 1905 1905 0.391 12:23:43 3 1931 1931 0.396 12:23:50 4 1943 1943 0.398 12:23:57 Mean: 1911 1911 0.392 SD : 34.86 34.86 0.007 %RSD: 1.82 1.82 1.83

S=SS = SS = S3aS3S8SSS = S:

Element: K Seq. No.: 57 AS Log.: Date: 11/18/2001 Sample ID: 27478

Repl SaitqpleConc StndConc BlnkCorr Time # /tg/L /ig/L Signal 1 511.8 511.8 0.104 12:24:21 2 522.6 522.6 0.107 12:24:28 3 522.5 522.5 0.107 12:24:35 4 536.3 536.3 0.109 12:24:42 Mean: 523.3 523.3 0.107 SD : 10.04 10.04 0.002 %RSD: 1.92 1.92 1.93

assssssssssa: sssssssssassssssss:

Element: K seq. No.: 58 AS Log.: Date: 11/18/2001 Sample ID: 27479

Repl SampleConc StndConG BlnkCorr Time # pg/L gg/L Signal 1 520.4 520.4 0.106 12:25:01 2 529.3 529.3 0.108 12:25:09 3 527.8 527.8 0.108 12:25:16 4 521.6 521.6 0.106 12:25:23 Mean: 524.8 524.8 0.107 SD : 4.427 4.427 0.001 %RSD: 0.84 0.84 0.85

Element: K Seq. No.: 59 AS Log.: Date: 11/18/2001 Sample ID: 27480

Repl SampleConc StndConc BlnkCorr Time # Mg/L Mg/L Signal 1 1942 1942 0.398 12:25:50 2 1967 1967 0.403 12:25:57 3 1960 1960 0.402 12:26:04 4 1941 1941 0.398 12:26:11 Mean: 1953 1953 0.400 SD : 12.79 12.79 0.003 %RSD: 0.66 0.66 0.66

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NYC-WTC_000065937

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NYC-WTC_000065937Source: NYC Law Department, mirrored locally

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