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Laboratory sample list, DEP Box 24, May 15, 2002

Machine-extracted title · confidence 90%

Multi-page laboratory sample list from the May 15, 2002 SN folder containing IDs and QC checks.

NYC-WTC_000041993–000042017

Folder label: “SN 5/15/02

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Scanned page image, NYC-WTC_000041995
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OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

Sn 0.3 □

0.2 0 o E CS 2 % 2 0.1

r L Li 1 -100 o 100 200 300

Concentration

Calibration data for Sn Entered Calculated Mean Signal Concentration Concentration Standard Standard ID (Pk Area) (ug/L) (ug/L) Deviation RSD Calib Blank 0.000 -2.942 s50 0.070 50.0 48.82 S100 0.149 100.0 107.6 sl50 0.207 150.0 150.2 s200 0.269 200.0 196.4 Correlation Coefficient: 0.99840 Slope: 0.00135 Intercept: 0.004

Element: Sn Seq. No.: 6 AS Loc.: 1 Date: 05/15/2002 Sample ID: QCS uL dispensed: 8 fx/ora. 36, 5 from 37, 12 from 1 Repl SampleConc/ StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # ug/L \ J ug/L Signal Area Height Area Height Stored 1 100.2 100.2 0.139 0.141 0.306 0.027 0.050 10:34:14 No QC value within specified limits.

Element: Sn Seq. No.: 7 AS Loc.: 2 Date: 05/15/2002 Sample ID: IPC uL dispensed: 8 from 36, 5 from 37, 12 from 2

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # ug/L ug/L Signal Area Height Area Height Stored 1 98.50 98.50 0.137 0.139 0.305 0.030 0.055 10:36:51 No QC value within specified limits.

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NYC-WTC_000041995

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NYC-WTC_000041995Source: NYC Law Department, mirrored locally

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