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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_000065927
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document SSS5 = = SSS5S:S = = : ;=======s==s=ss=====s========:5s=s====e2ss:====ss=s==s=:

Element: K Seq. No.: 16 AS Log.: Date: 11/18/2001 Sample ID: 26847spk

Repl SampleConc StndConc BlnkCorr Time # gg/L Mg/L Signal 1 4585 917.0 0.188 11:53:27 2 4616 923.3 0.189 11:53:34 3 4571 914.2 0.187 11:53:42 4 4564 912.9 0.187 11:53:49 Mean: 4584 916.8 0.188 SD : 23.08 4.615 0.001 %RSD: 0.50 0.50 0.51

Element: K Seq. No.: 17 AS Doc.: Date: 11/18/2001 San^le ID: 26991

Repl SampleConc StndConc BlnkCorr Time # Mg/i* Signal 1 2500 499.9 0.102 11:54:18 2 2554 510.8 0.104 11:54:25 3 2639 527.8 0.108 11:54:32 4 2541 508.2 0.104 11:54:39 Mean: 2558 511.7 0.104 SD : 58.43 11.69 0.002 %RSD: 2.28 2.28 2.30

= = zz=s=s= ===z= = a:es = =zz==ssas= = = ====s:==== = ass!====z=ssszs= = = = =ss3 = = = ====s==:== = = = = = = zz==s! = c:=s3=== = c: = = zz = =s = s==zz Element: K Seq. No.: 18 AS Log.: Date: 11/18/2001 Sample ID: 27112

Repl SampleConc StndConc BlnkCorr Time # Mg/L Mg/L Signal 1 2813 562.7 0.115 11:55:03 2 2814 562.8 0.115 11:55:10 3 2807 561.4 0.114 11:55:17 4 2841 568.2 0.116 11:55:25 Mean: 2819 563.7 0.115 SD : 15.18 3.036 0.001 %RSD: 0.54 0.54 0.54

Element: K Seq. No.: 19 AS Log.; Date; 11/18/2001 Sample ID; 27115

Repl SampleConc StndConc BlnkCorr Time # gg/L Mg/L Signal 1 2834 566.8 0.116 11:55:52 2 2798 559.7 0.114 11:55:59 3 2867 573.5 0.117 11:56:07 4 2823 564.7 0.115 11:56:14 Mean: 2831 566.2 0.115 SD : 28.69 5.739 0.001 %RSD: 1.01 1.01 1.02

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NYC-WTC_000065927

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NYC-WTC_000065927Source: NYC Law Department, mirrored locally

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