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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_000065133
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NYC 9/11 Public Portal Document :aaaaa88BaaaaaaaaaaaBaaasaaaBaaBBaaaaa: Element j K Seq. No.: 16 AS Loc.: Date: 09/18/2001 Sample ID: 22360

Repl SanqpleConc StndConc BlnkCorr Time # /^g/L Mg/i* Signal 1 1848 1848 0.441 10:09:51 2 1868 1868 0.446 10:09:58 3 1864 1864 0.445 10:10:05 4 18^ 1855 0.443 10:10:12 Mean: 1859 0.444 SD : 8.99iay 8.998 0.002 %RSD: 0.48 0.48 0.47

Element: K Seq. No.: 17 AS Loc.: - Date: 09/18/2001 San^jle ID: 22470

Repl San^leConc StndConc BlnkCorr Time # Mg/L Mg/L Signal 1 1871 1871 0.446 10:10:41 2 1858 1858 0.444 10:10:48 3 1869 1869 0.446 10:10:56 4 1866^ ZlO 1866 0.445 10:11:03 Mean: <5^66/ 1866 0.445 SD : 5 .>68 5.368 0.001 %RSD: 0.29 0.29 0.28

iaaaaaaaa: tsssaBssassssssssssBssssasssssssss&sssssBssesassaasssss

Element: K Seq. No.: 18 AS Loc.: Date: 09/18/2001 Sample ID: 22471

Repl SampleConc StndConc BlnkCorr Time # Mg/1* Signal 1 509.7 509.7 0.128 10:11:24 2 513.6 513.6 0.129 10:11:31 3 516.5 516.5 0.130 10:11:38 4 511.5 0.128 10:11:46 Mean: 512.8 0.129 SD : 2.922 2.922 0.001 %RSD: 0.57 0.57 0.53

Element: K Seq. No.: 19 AS Loc.: Date: 09/18/2001 Sample ID: 22472

Repl SampleConc StndConc BlnkCorr Time # Mg/L /‘g/i* Signal 1 541.9 541.9 0.136 10:12:09 2 543.8 543.8 0.136 10:12:16 3 536.2 536.2 0.134 10:12:24 4 1*3 541.1 0.135 10:12:31 Mean: 40.8 540.8 0.135 SD : 3. 3.230 0.001 %RSD: 0.60 * 0.60 0.56

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NYC-WTC_000065133

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NYC-WTC_000065133Source: NYC Law Department, mirrored locally

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