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Document / 16 pages

Elemental analysis lab report, January 3, 2002

Machine-extracted title · confidence 75%

DEP laboratory report documenting elemental analysis results for multiple samples with quality control checks, blank corrections, and concentration measurements dated January 3…

NYC-WTC_000083964–000083979

Folder label: “SN 1/3/02”

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NYC 9/11 Public Portal Document

Element: Sn Seq. No.: 103 AS Loc.: 35 Date: 01/03/2002 Sample ID: 30085 pL dispensed: 8 from 36, 5 from 37, 12 from 35

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 -13.10 -13.10 -0.004 -0.001 0.003 0.024 0.019 15:09:26 No

Element: Sn Seq. No.: 104 AS Loc.: 39 Date: 01/03/2002 Sample ID: 30086 \ pL dispensed: 8 from 36, 5 from 37, 12 from 39

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L ■ pg/L Signal Area Height Area Height Stored 1 -14.00 -14.00 -0.004 -0.002 0.003 0.023 0.017 15:12:05 No

Element: Sn Seq. No.: 105 AS Loc.: 40 Date: 01/03/2002 Sample ID: 30107 pL dispensed: 8 from 36, 5 from 37, 12 from 40

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 -8.918 -8.918 -0.003 0.000 0.004 0.023 0.018 15:14:49 No

Element: Sn Seq. No.: 106 AS Loc.: 2 Date: 01/03/2002 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 Signal Area Height Area Height Stored 1 .55 97.55 0.033 0.035 0.085 0.025 0.016 15:17:27 No QC value within specified limits.

Element: Sn Seq. No.: 107 AS Loc.: 3 Date: 01/03/2002 Sample ID: CB pL dispensed: 8 from 36, 5 from 37, 12 from 3

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # ug/L''-^ pg/L Signal Area- Height Area Height Stored 1 / -9.264 \ -9.264 -0.003 0.000 0.004 0.020 0.017 15:20:04 No

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NYC-WTC_000083968

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NYC-WTC_000083968Source: NYC Law Department, mirrored locally

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