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← Document results/DEP Box 66/SN 2/20/02
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 9 of 34→
Mirrored PDFOfficial City PDF ↗
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Scanned page image, NYC-WTC_000086068
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

• Element: Sn Seq. No.: 50 AS Loc.: 26 Date: 02/20/2002 Sample ID: 2090 pL dispensed: 5 from 36, 5 from 37, 3 from 38, 12 from 26

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 39.11 39.11 0.048 0.049 0.145 0.037 0.038 12:52:35 No

y Recovery is 78.2% (outsid^of specified limits)

Element: Sn Seq. No.; 51 AS Loc.: 26 Date: 02/20/2002 Sample ID: 2090 pL dispensed: 16 from 36, 5 from 37, 4 from 26

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 -20.68 / -6.893 -0.004 -0.003 0.014 0.020 0.027 12:55:14 No

Element: Sn Seq. No.: 52 AS Loc.: 26 Date: 02/20/2002 Sample ID: 2090 pL dispensed: 13 from 36, 5 from 37, 3 from 38, 4 from 26

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 117.9 39.30 0.048 0.049 0.139 0.023 0.036 12:58:00 No Recovery is 78.6% (outside of specified limits)

Element: Sn Seq. No.: 53 AS Loc.: 27 Date: 02/20/2002 Sample ID: 2090dup 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 -5.961 / -5.961 -0.003 -0.002 0.014 0.035 0.043 13:00:41 No

Element: Sn Seq. No.: 54 AS Loc.: 27 Date: 02/20/2002 Sample ID: 2090dup 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 36.80 36.80 0.045 0.046 0.141 0.040 0.045 13:03:28 No

y Recovery is 73.6% (outside of specified limits)

Element: Sn Seq. No.:^5 AS Loc.: 27 Date: 02/20/2002 Sample ID: 2090dup pL dispensed: 16 from 36, 5 from 37, 4 from 27

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 -11.94 , -3.979 -0.001 0.001 0.014 0.017 0.029 13:06:09 No

Page 11

NYC-WTC_000086068

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NYC-WTC_000086068Source: NYC Law Department, mirrored locally

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