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Laboratory sample list, DEP Box 24, May 21, 2002

Machine-extracted title · confidence 95%

List of analytical sample IDs and quality control checks processed by the Department of Environmental Protection on May 21, 2002.

NYC-WTC_000042019–000042042

Folder label: “SN 5/21/02”

←Page 5 of 24→
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NYC 9/11 Public Portal Document

Element: Sn Seq. No.: 19 AS Loc.: 6 Date: 05/21/2002 Sample ID: 11576 uL dispensed: 13 from 36, 5 from 37, 3 from 38, 4 from 6 Repl SampleCon tndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # ug/L g/L Signal Area Height Area Height Stored 1 100.6 33.52 0.041 0.044 0.172 0.022 0.047 11:24:26 No Recovery is 67.0% outside of specified limits)

Element: Sn Seq. No.: 20 AS Loc.: 7 Date: 05/21/2002 Sample ID: 11576dup uL dispensed: 8 from 36, 5 from 37, 12 from 7 Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # ug/L ug/L Signal Area Height Area Height Stored 1 -12.31 -12.31 -0.006 -0.003 0. 012 0.020 0.041 11:27:06 No

Element: Sn Seq. No.: 21 AS Loc.: 7 Date: 05/21/2002 Sample ID: 11576dup uL dispensed: 5 from 36, 5 from 37, 3 from 38, 12 from 7 Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # ug/L \ ug/L Signal Area Height Area Height Stored 1 30.62 ' 30.62 0.038 0.041 0.133 0.021 0.056 11:29:52 No Recovery is 61.2 utside of specified limits)

Element: Sn Seq. No.: 22 AS Loc.: 7 Date: 05/21/2002 Sample ID: 11576dup uL dispensed: 16 from 36, 5 from 37, 4 from 7 Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # ug/L ug/L Signal Area Height Area Height Stored 1 -30.70 -10.23 -0.004 -0.001 0.010 0.014 0.033 11:32:31 No

Element: Sn Seq. No.: 23 AS Loc.: 7 Date: 05/21/2002 Sample ID: 11576dup uL dispensed: 13 from 36, 5 from 37, 3 from 38, 4 from 7 Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # ug/L \ ug/L Signal Area Height Area Height Stored 1 123.7 . . 41.22 0.049 0.052 0.160 0.017 0.048 11:35:17 No Recovery is 82.4 (outside of specified limits)

Element: Sn Seq. No.: 24 AS Loc.: 8 Date: 05/21/2002 Sample ID: 11597 uL dispensed: 8 from 36, 5 from 37, 12 from 8 Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # ug/L ug/L Signal Area Height Area Height Stored 1 -9.884 -9.884 -0.004 0.000 0.009 0.012 0.031 11:37:58 No

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NYC-WTC_000042023

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NYC-WTC_000042023Source: NYC Law Department, mirrored locally

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