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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 27 of 34→
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NYC 9/11 Public Portal Document

Element: Sn Seq. No.: 135 AS Loc.: 7 Date: 02/20/2002 Sample ID: 2579dup pL dispensed: 5 from 36, 5 from 37, 3 from 38, 12 from 7

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 46.25 46.25 0.049 0.049 0.144 0.045 0.034 17:23:18 No Recovery is 92.5%

Element: Sn Seq. No.: 136 AS Loc.: 8 Date: 02/20/2002 Sample ID: 2580 pL dispensed: 8 from 36, 5 from 37, 12 from 8

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 -1.476 -1.476 0.002 0.003 0.008 0.021 0.024 17:25:58 No

Element: Sn Seq. No.: 137 AS Loc.: 9 Date: 02/20/2002 Sample ID: 2581 pL dispensed: 8 from 36, 5 from 37, 12 from 9

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 -2.634 -2.634 0.001 0.001 0.008 0.024 0.024 17:28:40 No

Element: Sn Seq. No.: 138 AS Loc.: 10 Date: 02/20/2002 Sample ID: 2595 pL dispensed: 8 from 36, 5 from 37, 12 from 10

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 -1.247 -1.247 0.002 0.003 0.009 0.022 0.022 17:31:23 No

Element: Sn Seq. No.: 139 AS Loc.: 11 Date: 02/20/2002 Sample ID: 2596 pL dispensed: 8 from 36, 5 from 37, 12 from 11

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 -6.058 -6.058 -0.002 -0.002 0.009 0.027 0.023 17:34:08 No

Element: Sn Seq. No.: 140 AS Loc.: 2 Date: 02/20/2002 Sample ID: IPC pL dispensed: 8 from 36, 5 from 37, 12 from 2

Repl SampleConc IStndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L / pg/L Signal Area Height Area Height Stored 1 107.3 V 107.3 0.108 0.109 0.300 0.030 0.047 17:36:49 No QC value within specified limits.

Page 29

NYC-WTC_000086086

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NYC-WTC_000086086Source: NYC Law Department, mirrored locally

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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 8, 2002.

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machine-extracted · confidence unavailable · Check page ↗
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.

1 shared topics · Same agency, volume and box · similarity 0.998

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