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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”

←Page 3 of 16→
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NYC 9/11 Public Portal Document

Element: Sn Seq. No.: 91 AS Loc.: 26 Date: 01/03/2002 Sample ID: 30010 pL dispensed: 5 from 36, 5 from 37, 3 from 38, 12 from 26

Repl S am^'eConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # P4/l \ pg/L Signal Area Height Area Height Stored 1 \ 45.76 \ 45.76 0.016 0.018 0.046 0.027 0.018 14:37:05 No Recovery■ xs 91.5%

Element: Sn eg. No.: 92 AS Loc.: 27 Date: 01/03/2002 Sample ID: 30010dup 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 -4.077 -4.077 -0.001 0.002 0.004 0.023 0.018 14:39:46 No

Element: Sn Seq. No.: 93 AS Loc.: 27 Date: 01/03/2002 Sample ID: 30010dup 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 42.88 42.88 0.0iy'"<0JS17 0.046 0.027 0.019 14:42:33 No Recovery is 85.8%

Element: Sn Seq. No.: 94 AS Loc.: 28 Date: 01/03/2002 Sample ID: 30011 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 -3.610 -3.610 -0.001 0.002 0.004 0.037 0.024 14:45:16 No

Element:' Sn Seq. No.: 95 AS Loc.: 29 Date: 01/03/2002 Sample ID: 30012 pL dispensed: 8 from 36, 5 from 37, 12 from 29

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 -9.908 -9.908 -0.003 0.000 O'. 003 0.025 0.020 14:48:00 No

Element: Sn Seq. No.: 96 AS Loc.: 30 Date: 01/03/2002 Sample ID: 30013 pL dispensed: 8 from 36, 5 from 37, 12 from 30

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 -2.173 -2.173 0.000 0.002 0.004 0.022 0.019 14:50:46 No

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NYC-WTC_000083966

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