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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_000065138
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NYC 9/11 Public Portal Document

Element: K Seq. No.: 36 AS Loc.: Date: 09/18/2001 Sample ID: 22553-

Repl SarapleConc StndConc BlnkCorr Time # Mg/L /tg/L Signal 1 721.8 721.8 0.178 10:25:56 2 721.7 721.7 0.178 10:26:03 3 726.0 726.0 0.179 10:26:11 4 725.6 0.179 10:26:18 Mean: 723.8 ^723.8 0.178 SD : 2.310 2.310 0.001 %RSD: 0.32 0.32 0.30

Element: K Seq. No.: 37 AS Loc.: Date: 09/18/2001 Sample ID: 22553dup

Repl SampleConc StndConc BlnkCorr Time # /xg/i* pg/L Signal 1 717.8 717.8 0.177 10:26:35 2 723.1 723.1 0.178 10:26:43 3 718.5 718.5 0.177 10:26:50 4 726.6 726.6 0.179 10:26:57 Mean: 721.5 ’ 721.5 0.178 SD : 4.146 4.146 0.001 %RSD: 0.57 0.57 0.55

= = = = = = = = = = = =l== = = I= = Z= = = = = = = = = ZZZ= = = = = I=ZZ = = =: = = = = = = = = = ZZ = = = = = = = = ZZC=t= = = = Z= = = = Z= = = = = J= = = C5 = = = = = = = C2 = c; = =

Element: K Seq. No.: 38 AS Loc.: Date: 09/18/2001 Sample ID: 22553spk

Repl SampleConc StndConc BlnkCorr Time # pg/L /xg/L Signal 1 793.8 793.8 0.194 10:27:30 2 805.7 805.7 0.197 10:27:38 3 800.1 800.1 0.196 10:27:45 4 787.5 0.193 10:27:52 Mean: 796.8 0.195 SD : 7.882 0.002 %RSD: 0.99 0.99 0.95

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Element: K Seq. No.: 39 AS Loc.: Date: 09/18/2001 . Sample ID: 22558

Repl SampleConc StndConc BlnkCorr Time # Mg/L gg/L Signal 1 647.6 647.6 0.160 10:28:22 2 644.4 644.4 0.160 10:28:29 3 650.3 650.3 0.161 10:28:36 4 652.0 652.0 0.161 10:28:44 Mean: 648.6 648.6 0.160 SD : 3.344 3.344 0.001 %RSD: 0.52 0.52 0.49

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NYC-WTC_000065138

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NYC-WTC_000065138Source: NYC Law Department, mirrored locally

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