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Document / 34 pages

DEP batch record cover sheet, Feb 20, 2002

Machine-extracted title · confidence 100%

Cover sheet listing water sample IDs and quality control checks for the February 20, 2002 DEP batch.

NYC-WTC_000086060–000086093

Folder label: “SN 2/20/02”

←Page 31 of 34→
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NYC 9/11 Public Portal Document

. Element: Sn Seq. No.: 160 AS Loc.: 25 Date: 02/20/2002 Sample ID: 2716 pL dispensed: 8 from 36, 5 from 37, 12 from 25

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 -2.137 -2.137 0.001 0.002 0.009 0.042 0.032 18:30:05 No

Element: Sn Seq. No.: 161 AS Loc.: 26 Date: 02/20/2002 Sample ID: 2718 pL dispensed: 8 from 36, 5 from 37, 12 from 26

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 -3.197 -3.197 0.000 0.001 0.007 0.022 0.025 18:32:44 No

Element: Sn Seq. No.: 162 AS Loc.: 26 Date: 02/20/2002 Sample ID: 2718 pL dispensed: 5 from 36, 5 from 37, 3 from 38, 12 from 26

Repl SampleConc StndConc B^kCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L yOignal Area Height Area Height Stored 1 45.79 5.79 / 0.048 0.049 0.129 0.027 0.030 18:35:29 No Recovery is 91.6%

Element: Sn Seq. No.: 163 AS Loc.: 27 Date: 02/20/2002 Sample ID: 2718dup pL dispensed: 8 from 36, 5 from 37, 12 from 27

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L /pg/L Signal Area Height Area Height Stored 1 -3.085 [/ -3.085 0.001 0.001 0.008 0.023 0.025 18:38:11 No

Element: Sn Seq. No.: 164 AS Loc.: 27 Date: 02/20/2002 Sample ID: 2718dup pL dispensed: 5 from 36, 5 from 37, 3 from 38, 12 from 27

Repl SampleConc StndConc/;nkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L lignal Area Height Area Height Stored 1 42.75 42.75 0.045 0.046 0.133 0.028 0.031 18:40:57 No Recovery is 85.5% A Element: Sn Seq. No.: 165 AS Loc.: 28 Date: 02/20/2002 Sample ID: 2719 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 -4.923 -4.923 -0.001 -0.001 0.008 0.025 0.024 18:43:40 No

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NYC-WTC_000086090

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NYC-WTC_000086090Source: NYC Law Department, mirrored locally

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DEP sample batch list, Feb 19 2002 · Box DEP Box 66

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Document listing sample IDs and quality control checks for water analysis batches processed by the Department of Environmental Protection on February 19, 2002.

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