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Potassium sample log, WTC site, Nov 12 2001

Machine-extracted title · confidence 90%

Log entry for potassium sample processing at the World Trade Center site on November 12, 2001.

NYC-WTC_000065886–000065918

Folder label: “K 11/12/01

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Scanned page image, NYC-WTC_000065890
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OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

•i^=====55:======================z====s====================z=======2==a========== ====n-_==-s--ns= Element: K Seq. No.: 12 AS Loc.; Date: 11/12/2001 Sample ID: S2000

Repl SanpleConc StndConc BlnkCorr Time # /ig/L gg/L Signal 1 0.364 15:29:35 2 0.369 15:29:42 3 0.366 15:29:49 4 0.365 15:29:57 Mean: 0.366 SD : 0.002 %RSD: The calibration curve may not be l^ear. Standard number 6 applied. JCaaoo]*^ /^ Correlation Coefficient :z*'*^99^ Slope: 0.0002

BBBaaBaBBSBa8BBBBB88BBBSBB88SBBBa: t«:&SSSS3a&SBSB&3SSSSBSBa:SSSZ3 8B8S8SSSa8S8SaSSSass:SSB8B8=S3ZSSSa88=SaS3aB8B Element: K Seq. No.: 13 AS hoc.: Date: 11/12/2001 Sanple ID: QCS

Repl San^leConc StndConc BlnkCorr Time # gg/i* gg/L Signal 1 508.2 508.2 0.093 15:30:21 2 503.2 503.2 0.092 15:30:28 3 513.1 513.1 0.094 15:30:35 4 517.5 517.5 0.095 15:30:43 Mean: 510.5 510.5 0.094 SD ; 6.178 6.178 0.001 %RSD: 1.21 1.21 1.21

Element: K Seq. No.: 14 AS Loc.: Date: 11/12/2001 Sanple ID: Blk

Repl SampleConc StndConc BlnkCorr Time # gg/L gg/L Signal 1 -10.82 -10.82 -0.002 15:31:33 2 -11.71 -11.71 -0.003 15:31:40 3 -13.01 -13.01 -0.003 15:31:47 4 -13.87 -13.87 -0.003 15:31:54 Mean: -12.35 -12.35 -0.003 SD : 1.353 1.353 0.000 %RSD: 10.95 10.95 9.43

Element: K Seq. No.: 15 AS Log.: Date: 11/12/2001 San^le ID: 26805

Repl SampleConc StndConc BlnkCorr Time # gg/L /i9/L Signal 1 -18.42 -18.42 -0.004 15:32:17 2 -15.10 -15.10 -0.003 15:32:24 3 -28.21 -28.21 -0.006 15:32:31 4 -46.44 -46.44 -0.009 15:32:39 Mean: -27.04 -27.04 -0.005 SD : 14.08 14.08 0.003 %RSD: 52.07 52.07 48.50

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NYC-WTC_000065890

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NYC-WTC_000065890Source: NYC Law Department, mirrored locally

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