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Sample status query log, Selenium, Nov 2001

Machine-extracted title · confidence 90%

List of sample statuses and collection timestamps for Selenium analysis queries in November 2001.

NYC-WTC_000065239–000065256

Folder label: “Se

Page image
Scanned page image, NYC-WTC_000065256
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document = SSC= = = 5= = aSSB= = =

Element: Se Seg. No.: 80 AS Loc.: 38 Date: 09/17/2001 Sample ID: S20 gL dispensed: 5 from 37, 20 from 7, 20 from 38

Repl San^ileConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # gg/L lis/'b Signal Area Height Area Height Stored 1 0.058 0.062 0.124 0.092 0.076 16:23:25 No Addition number 4 applied. [20.00] Correlation Coefficient: 0.9995 Slope: 0.0026

Se 0.06-[

0.04- sc

I 0.02 -

I I n -10 0 10 20 30

Concentration

Calibration data for Se Entered Calculated Mean Signal Concentration Concentration Standard Standard ID (Pk Area) (/ig/L) Deviation %RSD Calib Blank 0.000 -2.464 S5 0.018 5.00 4.527 SIO 0.033 10.00 10.20 S15 0.045 15.00 14.95 S20 0.058 20.00 19.79 Correlation Coefficient: 0.99949 Slope: 0.00261 Intercept: 0.006

[Se] Sample Concentration 2.357 /ig/L [Se] Sample Concentration 117.9 /zg/li

Page 23

NYC-WTC_000065256

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NYC-WTC_000065256Source: NYC Law Department, mirrored locally

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