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Lab report: Potassium analysis, Sept 2001

Machine-extracted title · confidence 95%

Laboratory report listing sample IDs and analyst details for potassium testing conducted in September 2001.

NYC-WTC_000065128–000065143

Folder label: “K

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Scanned page image, NYC-WTC_000065131
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

Element: K Seq. No.: 8 AS Loc.: Date: 09/18/2001 Sample ID: S2000 jZ

Repl SanpleConc StndConc BlnkCorr Time # /zg/L /xg/L Signal 1 0.465 10:00:54 2 0.463 10:01:02 3 0.466 10:01:09 4 0.466 10:01:16 Mean: 0.465 SD : 0.002 %RSD: 0.33 The calibration curve may not be lin^ .r. Standard number 6 applied. 120^01 / Correlation Coefficient: ^.99B8y\/ Slope: 0.0002 The calibration curve has'^eeuz^ited

S as SS SSSB BESBBSSBSSSSSSBBSSBBBBSS SB tSXSBSB ssesa EBBS BS8SSSXS88SBBSBSSSSSBBaSS8BBSaSSS B S31 :8SBBBi

Element: K Seq. No.: 9 AS Loc.: Date: 09/18/2001 Sample ID: QCS

Repl SampleConc StndConc BlnkCorr Time # Mg/i* Mg/L Signal 1 498.4 498.4 0.128 10:03:31 2 501.5 501.5 0.129 10:03:38 3 497.7 / 497.7 0.128 10:03:45 4 498.3 0.128 10:03:52 Mean: 499.0 0.128 SD : 1.680 0.000 %RSD: 0.34 0.33

Element: K Seq. No.: 10 AS Loc.: Date: 09/18/2001 Sample ID: 22358r

Repl SanpleConc StndConc BlnkCorr Time # Mg/L gg/L Signal 1 470.9 470.9 0.121 10:04:26 2 478.4 478.4 0.123 10:04:34 3 483.9 0.124 10:04:41 4 4 .3 488.3 0.126 10:04:48 Mean: Vo 480.4 0.124 SD : 7?T?0 7.490 0.002 %RSD: 1.56 1.56 1.52

BSBBB8BBBBBB1 !S8S88888SB8SB8B88a8SSB88SS88888888888888888B8S888BSa8SS8888

Element: K Seq. No.: 11 AS Loc.: Date: 09/18/2001 Sample ID: 22358dup

Repl SanpleConc StndConc BlnkCorr Time # /ig/L /^g/L Signal 1 479.0 479.0 0.123 10:05:13 2 486.5 486.5 0.125 10:05:20 3 481.8 481.8 0.124 10:05:27 4 4^2.8 482.8 0.124 10:05:35 Mean: <4827S^ 482.5 0.124 SD : 3m2-^ 3.112 0.001 %RSD: 0.64 0.64 0.63

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NYC-WTC_000065131

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NYC-WTC_000065131Source: NYC Law Department, mirrored locally

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