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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_000065144–000065149

Folder label: “K

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Scanned page image, NYC-WTC_000065146
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OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

SSSSSSSSSSSSSSSSSSBBSSSSSSS&SSSSSSSSSaSSBSSISSSZSSSSSSSaSISBSSBSSaarSSSSBBSsaSBBSS&SSSSSSSSSSBSSSSaSSSBSSSSSBSSBS

Element: K Seq. No.: 5 AS Loc.: Date: 09/24/2001 San^le ID: S400

Repl SampleConc StndConc BlnkCorr Time # gg/L gg/L Signal 1 0.031 17:04:16 2 0.032 17:04:24 3 0.033 17:04:31 4 0.032 17:04:38 Mean: 0.032 SD : 0.001 %RSD: 2.48 Standard number 3 applied. [400]-/ Correlation Coefficient: 0.9993 Slope: 0.0001

Element: K '"Seq. No.: 6 AS IiOC. ; Date: 09/24/2001 Sample ID: S800

Repl SampleConc StndConc BlnkCorr Time # gg/L gg/L Signal 1 0.060 17:05:06 2 0.058 17:05:13 3 0.058 17:05:21 4 0.058 17:05:28 Mean: 0.059 SD : 0.001 %RSD: 1.16 Standard number 4 applied. [800]J Correlation Coefficient: 0.9989 Slope: 0.0001

Element: K Seq. No.: 7 AS Loc.: Date: 09/24/2001 Sample ID: SIOOO

Repl SarapleConc StndConc BlnkCorr Time # /ig/L gg/L Signal 1 0.075 17:05:57 2 0.070 17:06:04 3 0.083 17:06:12 4 0.072 17:06:19 Mean: 0.075 SD : 0.006 %RSD: 8.op Standard number 5 applied. [1000] v Correlation Coefficient: 0.9994 Slope: 0.0001

Element: K Seq. No.: 8 AS Loc.: Date: 09/24/2001 Sample ID: S2000

Repl SampleConc StndConc BlnkCorr Time # /ig/L gg/L Signal 1 0.153 17:06:46 2 0.147 17:06:53 3 0.145 17:07:00 4 0.140 17:07:08 Mean: 0.146 SD : 0.005 %RSD: 3.71 The calibration curve may not be linear. Standard number 6 applii 00] Correlation Coefficient: 0. 9 Slope: 0.0001

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NYC-WTC_000065146Source: NYC Law Department, mirrored locally

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