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Document / 13 pages

Water sample batch list, Feb 28, 2002

Machine-extracted title · confidence 100%

Document listing water sample IDs and quality control checks processed on February 28, 2002.

NYC-WTC_000086386–000086398

Folder label: “SN 2/28/02”

←Page 11 of 13→
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NYC 9/11 Public Portal Document

» Element: Sn Seq. No.: 45 AS Loc.: 27 Date: 02/28/2002 Sample ID: 4591dup pL dispensed: 5 from 36, 5 from 37, 3 from 38, 12 from 27

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L / Signal Area Height Area Height Stored 1 49.62 49.62 / 0.062 0.066 0.165 0.031 0.031 12:42:02 No Recovery is 99.2%

Element: Sn Seq. No.: 46 AS Loc.: 28 Date: 02/28/2002 Sample ID: 4592 pL dispensed: 8 from 36, 5 from 37, 12 from 28

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 1.542 1.542 0.005 0.009 0.014 0.029 0.033 12:44:45 No

Element: Sn Seq. No.: 47 AS Loc.: 29 Date: 02/28/2002 Sample ID: 4593 pL dispensed: 8 from 36, 5 from 37, 12 from 29

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 -4.054 -4.054 -0.002 0.002 0.014 0.024 0.025 12:47:30 No

Element: Sn Seq. No.: 48 AS Loc.: 30 Date: 02/28/2002 Sample ID: 4594 pL dispensed: 8 from 36, 5 from 37, 12 from 30

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak pg/L pg/L Signal Area Height Area Height Stored 1 -2.660 -2.660 0.000 0.004 0.013 0.038 0.027 12:50:15 No

Element: Sn Seq. No.: 49 AS Loc.: 31 Date: 02/28/2002 Sample ID: 4730 pL dispensed: 8 from 36, 5 from 37, 12 from 31

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time . Peak # pg/L pg/L Signal Area Height Area Height Stored 1 -3.012 -3.012 -0.001 0.004 0.015 0.020 0.024 12:53:00 No

Element: Sn Seq. No.: 50 AS Loc.: 2 Date: 02/28/2002 Sample ID: IPC pL dispensed: 8 from 36, 5 from 37, 12 from 2

Repl SampleConc /stndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L ■■ /pg/L Signal Area Height Area Height Stored 1 107.9 t / 107.9 0.131 0.135 0.285 0.035 0.042 12:55:39 No QC value within Specified limits.

Page 12

NYC-WTC_000086396

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NYC-WTC_000086396Source: NYC Law Department, mirrored locally

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