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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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NYC 9/11 Public Portal Document

Element: K Seq. No.: 24 AS Doc.: Date: 09/18/2001 Sample ID: QCS

Repl San^jleConc StndConc BlnkCorr Time # Mg/i* Signal 1 512.0 512.0 0.129 10:16:11 2 513.0 513.0 0.129 10:16:18 3 509.6 509.6 0.128 10:16:25 4 508.9 0.128 10:16:32 Mean: 510.9 510.9 0.128 SD : 1.921 0.000 %RSD: 0.38 0.38 0.35

aBBBBBaaaa: Element: K Seq. No.: 25 AS Doc.: Date: 09/18/2001 Sample ID: 22543

Repl San^leConc! StndConc BlnkCorr Time # Mg/L Mg/L Signal 1 767.8 767.8 0.188 10:16:59 2 771.6 771.6 0.189 10:17:06 3 764.6 764.6 0.188 10:17:14 4 770.2 770.2 0.189 10:17:21 Mean: 768.5 0.189 SD : 3?Defir 3.068 0.001 %RSD: 0.40 0.40 0.38

ssssBBSBSS88Ssa;ss:asacssasa8sssss&s&sasass8SBBSBSssssBS8sssBSss8S5aess8ssssssaBSBS388S8s;sz3essssesaBssssssssB

Element: K Seq. No.: 26 AS Log. : Date: 09/18/2001 Sample ID: 22544

Repl SanpleConc StndConc BlnkCorr Time # /ig/i* Signal 1 662.7 662.7 0.164 10:17:48 2 663.9 663.9 0.164 10:17:55 3 667.6 667.6 0.165 10:18:02 4 Mean: ,0 664.7 664.7 0.164 10:18:09 0.164 SD : 2.081 0.000 %RSD: 0.31 0.31 0.30

aaBBBaaaaa: Element: K Seq. No.: 27 AS Log.: Date: 09/18/2001 Sample ID: 22545

Repl San^leConc StndConG BlnkCorr Time # pg/L pg/L Signal 1 617.5 617.5 0.153 10:18:36 2 612.9 612.9 0.152 10:18:43 3 613.0 613.0 0.152 10:18:50 4 618.9 618.9 0.154 10:18:57 Mean: 615.6 615.6 0.153 SD : 3.062 3.062 0.001 %RSD; 0.50 0.50 0.47

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NYC-WTC_000065135

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NYC-WTC_000065135Source: NYC Law Department, mirrored locally

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