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Lab report: Potassium analysis, Oct 2001

Machine-extracted title · confidence 95%

Laboratory report listing sample IDs and analyst details for potassium testing conducted in October 2001.

NYC-WTC_000065212–000065232

Folder label: “K

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Scanned page image, NYC-WTC_000065225
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

Element: K Seq. No.: 48 AS Loc.: Date: 10/22/2001 Sample ID: 25037

Repl San^leConc StndConc BlnkCorr Time # /ig/Lz---------- /tg/L Signal 1 524.2 524.2 0.084 12:43:56 2 447.0 447.0 0.072 12:44:03 3 528.9 528.9 0.084 12:44:10 4 457.1 457.1 0.074 12:44:18 Mean: 489.3 0.078 SD : 43.25 4 43.25 0.007 %RSD: < 8.84 8.38

Element: K Seq. iNo.: 49 AS Loc.: Date: 10/22/2001 Sample ID: QCS /

Repl leConc if StndConc BlnkCorr Time # Signal 1 453.5 453.5 0.073 12:45:01 2 444.6 /444.6 0.072 12:45:08 3 503.4 / 503.4 0.081 12:45:16 4 ./ 469.5 0.075 12:45:23 Mean: v 467.7 0.075 SD : 25?ff^ 25.88 0.004 %RSD: 5.53 5.53 5.23

Elementt: K Sej. No.: 50 AS Loc.: Date: 10/22/2001 Sample/ID: 25037

Repl San^leConc StndConc BlnkCorr Time # Mg/L Mg/L Signal 1 522.4 522.4 0.083 12:45:50 492.2 492.2 0.079 12:45:58 3 / 516.3 516.3 0.083 12:46:05 4 522-:^ 522.3 0.083 12:46:12 Mean: 513.3 513.3 0.082 SD : iSTts” 14.35 0.002 %RSI : 2.79 2.79 2.66

Elerent: K Seq. No.: 51 AS Loc.: - Date: 10/22/2001 San^ le ID: QCS

Rep] SampleConc StndConc BlnkCorr Time # /ig/L Mg/L Signal 1 512.9 512.9 0.082 12:46:24 503.6 503.6 0.081 12:46:32 , -*e'9-rfl- 409.0 0.066 12:46:39 4 \ i 493.5 493.5 0.079 12:46:46 Mean: 479.7 0.077 SD : 47.83 \ 47.83 0.007 %RSD: 9.97 9.44

0^

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NYC-WTC_000065225

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NYC-WTC_000065225Source: NYC Law Department, mirrored locally

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