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Lab report: Potassium analysis, Oct 2001

Machine-extracted title · confidence 95%

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

NYC-WTC_000065212–000065232

Folder label: “K

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Scanned page image, NYC-WTC_000065221
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NYC 9/11 Public Portal Document sss&sses&sssscsssssss&ssssssasasBescstsssaBSssssBSsescssssssassscsBssBaBssssassBesasssasBBsssssBssasBSSsssBsasssssBSBssssasB

Element: K Seq. No.: 32 AS hoc.: Date; 10/22/2001 Sample ID: 24876

Repl San^jleConc StndConc BlnkCorr Time # Atg/L MS/I* Signal 1 554.5 554.5 0.088 12:32:12 2 540.5 540.5 0.086 12:32:20 3 554.2 554.2 0.088 12:32:27 4 .8 542.8 0.087 12:32:34 Mean: 548. 548.0 0.087 SD : 7.385 0.001 %RSD; 1.35 1.35 1.28

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Element; K Seq. No.: 33 AS Log.; Date; 10/22/2001 Sample ID: 24877 «n.<—

Repl SampleConc StndConc BlnkCorr Time # pg/i* pg/L Signal 1 509.5 509.5 0.081 12:32:53 2 505.6 505.6 0.081 12:33:00 3 512.7 512.7 0.082 12:33:07 4 512^6 512.6 0.082 12:33:15 Mean: 510.1 0.082 SD : 3.373' 3.373 0.001 %RSD: 0.66 0.66 0.63

Element: K Seq. No.: 34 AS Log.: Date; 10/22/2001 Sample ID: 24878

Repl SampleConc StndConc BlnkCorr Time # Signal 1 531.3 531.3 0.085 12:33:43 2 525.7 525.7 0.084 12:33:50 3 532.7 532.7 0.085 12:33:58 4 518.9 0.083 12:34:05 Mean: 527.1 0.084 SD : 6.2^ 6.244 0.001 %RSD: 1.18 1.18 1.13

Element; K Seq. No.; 35 AS Log.: Date; 10/22/2001 Sample ID: 24944

Repl San^leConc StndConc BlnkCorr Time # Atg/L Signal 1 482.6 482.6 0.077 12:34:29 2 499.7 499.7 0.080 12:34:36 3 507.5 507.5 0.081 12:34:43 4 .-^5^.8 528.8 0.084 12:34:50 Mean; 504.7 0.081 SD ; 19.15 0.003 %RSD; 3.80 3.80 3.60

Page 11

NYC-VVTC_000065221

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NYC-WTC_000065221Source: NYC Law Department, mirrored locally

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