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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

Blament: K Seq. No.: 20 AS Loc.: Date: 09/18/2001 Sample ID: 22476

Repl SampleConc StndConc BlnkCorr Time # Mg/L /ig/L Signal 1 -17.91 -17.91 0.005 10:12:55 2 -14.12 -14.12 0.005 10:13:02 3 -15.44 -15.44 0.005 10:13:09 4 -16.72 -16.72 0.005 10:13:16 Mean: (16.^ -16.05 0.005 SD : 1.636 0.000 %RSD: 10.20 10.20 7.75

SSBSCSS3CSZ3B3SSSStSa888aSBBSBBS88SSBS&8BBBa8a88SSSBBBSZ=SSX3BB8SSS5SS&SSaSSSSSS8SSSSSC3&SB8St

Element: K Seq. No.: 21 AS Loc.: Date: 09/18/2001 Sample ID: 22477

Repl SampleConc StndConc BlnkCorr Time # Mg/L Mg/i* Signal 1 -25.40 -25.40 0.003 10:13:36 2 -24.76 -24.76 0.003 10:13:43 3 -26.54 -26.54 0.002 10:13:50 4 -26^3 -26.63 0.002 10:13:58 Mean: 5.8. -25.83 0.003 SD : 0.9102 0.9102 0.000 %RSD: 3.52 3.52 8.03

Element: K Seq. No.: 22 AS Loc.: Date: 09/18/2001 San^jle ID: 22478

Repl San^leConc StndConc BlnkCorr Time # ag/L Mg/L Signal 1 -26.25 -26.25 0.003 10:14:19 2 -28.45 -28.45 0.002 10:14:26 3 -26.14 -26.14 0.003 10:14:33 4 -26 -26.78 0.002 10:14:40 Mean: ^.91 -26.91 0.002 SD : 1. 1.066 0.000 %RSD: 3.96 3.96 10.38

Element: K Seq. No.: 23 AS Loc.: Date: 09/18/2001 Sample ID: 22542

Repl San^leConc StndConc BlnkCorr Time « gg/i* pg/i* Signal 1 628.1 628.1 0.156 10:15:07 2 633.8 633.8 0.157 10:15:14 3 637.4 637.4 0.158 10:15:21 4 633.8 , 633.8 0.157 10:15:28 Mean: 633.3 633.3 0.157 SD : 3.843 3.843 0.001 %RSD: 0.61 0.61 0.57

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NYC-WTC_000065134

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NYC-WTC_000065134Source: NYC Law Department, mirrored locally

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