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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

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Scanned page image, NYC-WTC_000065918
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NYC 9/11 Public Portal Document =,'=‘3 = 5=^ ==’=“ = = = = = = '= = = = = = = = = = - = = = = = = = = = = = '= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = != = = = = = = = = = = Element; K Seq. No.; 123 AS hoc.: Date: 11/12/2001 Sample ID: 27453

Repl SampleConc StndConc BlnkCorr Time # gg/L /tg/L Signal 1 496.7 496.7 0.091 16:55:34 2 488.8 488.8 0.090 16:55:42 3 477.3 477.3 0.088 16:55:49 4 481.2 481.2 0.088 16:55:56 Mean: 486.0 486.0 0.089 SD : 8.572 8.572 0.002 %RSD: 1.76 1.76 1.77

Element: K Seq. No.: 124 AS I.OC. : Date: 11/12/2001 Sample ID: QCS

Repl San^leConc StndConc BlnkCorr Time # /tg/L /ig/L Signal 1 534.5 534.5 0.098 16:56:19 2 534.0 534.0 0.098 16:56:26 3 536.6 536.6 0.099 16:56:34 4 531.3 531.3 0.098 16:56:41 Mean: 534.1 534.1 0.098 SD : 2.171 2.171 0.000 %RSD: 0.41 0.41 0.41

BBB8S8S8BSaBBBZ5e5B3SSSS8BSSZSSSS3S8BSS3BSS8BBSSSSSSCSaSBSSSBSZSS8SS = S:SSaaSS:ESBBSSBSB8esaS8a8S8BStSBSSSSSS85SS8S:

Element: K Seq. No.: 125 AS Loc.: Date: 11/12/2001 San^le XD; Blk

Repl San^leConc StndConc BlnkCorr Time # /ig/L Signal 1 13.03 13.03 0.002 16:57:02 2 67.05 , 67.05 0.012 16:57:10 3 14.64 14.64 0.002 16:57:17 4 14.86 14.86 0.002 16:57:24 Mean: 27.40 27.40 0.005 SD : 26.45 26.45 0.005 %RSD: 96.56 96.56 104.12

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NYC-WTC_000065918

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NYC-WTC_000065918Source: NYC Law Department, mirrored locally

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