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Document / 33 pages

Potassium sample log, WTC site, Nov 12 2001

Machine-extracted title · confidence 90%

Log entry for potassium sample processing at the World Trade Center site on November 12, 2001.

NYC-WTC_000065886–000065918

Folder label: “K 11/12/01

Page image
Scanned page image, NYC-WTC_000065910
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document SeSSSeSSSSaSS8SeSCSSSISSaS3SSSaBSS5SSS:BZSSS'SSBS:CSS:8S8SSS3SSZS«SS8 = S=SS8SSSSas=SSSSSS3S3SS38SB88SSSe:S=S8eSSBBBBSSS8:8SSS8

Element: K Seq. No.: 92 AS Loc.: --- Date: 11/12/2001 Sanple ID: 27288

Repl SampleConc StndConc BlnkCorr Time # /ig/L Signal 1 491.5 491.5 0.090 16:29:21 2 497.7 497.7 0.091 16:29:28 3 500.8 500.8 0.092 16:29:35 4 490.4 490.4 0.090 16:29:42 Mean: 495.1 495.1 0.091 SD : 4.989 4.989 0.001 %RSD: 1.01 1.01 1.01

Element: K Seq. No.: 93 AS Loc.: Date: 11/12/2001 Sanple ID: QCS

Repl SampleConc StndConc BlnkCorr Time # /ig/L Mg/I* Signal 1 565.6 565.6 0.104 16:30:03 2 546.4 546.4 0.100 16:30:10 3 539.3 539.3 0.099 16:30:17 4 543.2 / A 543.2 0.100 16:30:25 Mean: 548.6 / . L 548.6 0.101 11.68 i/0'^ SD : 11.68 0.002 %RSD: 2.13 2.13 2.14

Element: K Seq. No.: 94 AS Loc.: Date: 11/12/2001 Sanple ID: Blk

Repl San^jleConc StndConc BlnkCorr Time # Mg/L /ig/L Signal 1 -1.666 -1.666 -0.001 16:30:50 2 -6.711 -6.711 -0.002 16:30:57 3 -9.746 -9.746 -0.002 16:31:04 4 -8.482 -8.482 -0.002 16:31:11 Mean: -6.651 -6.651 -0.002 SD : 3.549 3.549 0.001 %RSD: 53,35 53.35 41.07

Element: K Seq. No.: 95 AS Loc.: Date: 11/12/2001 Sample ID: 27289

Repl San^leConc StndConc BlnkCorr Time # /ig/L gg/L Signal 1 506.3 506.3 0.093 16:31:41 2 491.8 491.8 0.090 16:31:48 3 487.7 487.7 0.089 16:31:56 4 487.9 487.9 0.090 16:32:03 Mean: 493.4 493.4 0.091 SD : 8.797 8.797 0.002 %RSD: 1.78 1.78 1.79

Page 27

NYC-WTC_000065910

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NYC-WTC_000065910Source: NYC Law Department, mirrored locally

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