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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

=993s»ssss=sssssssassssss8sasssasssssass aaaa: aaaaaaaaaaaa Element: Sn Seq. No.: 84 AS Loc.: 3 Date: 01/03/2002 San^le ID: CB pL dispensed: 8 from 36, 5 from 37, 12 from 3 Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # Signal Area Height Area Height Stored 1 f^.6^ -8.696 -0.002 0.000 0.004 0.016 0.012 14:18:34 No raaaaaaaaaaaaaaaaaaaaaa: S88SS8SS8S8SSSSSSSS8S8SSSS8888: saaaaaaaaaaaaaaaaaaaaa Element: Sn Seq. No.: 85 AS Loc.: 4 Date: 01/03/2002 Sample ID: LFB pL dispensed: 8 from 36, 5 from 37, 12 from 4 Repl Sai c StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # UX \ pg/L Signal Area Height Area Height Stored 1 \ 196.4 \ 196.4 0.066 0.068 0.171 0.029 0.027 14:21:11 No QC value ^thin specified limits.

Element: Sn Seq. No.: 86 AS Loc.: 5 Date: 01/03/2002 Sample ID: LRB pL dispensed: 8 from 36, 5 from 37, 12 from 5 Repl S. iConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # Hl pg/i* Signal Area Height Area Height Stored 1 -5.479 -5.479 -0.001 0.001 0.004 0.018 0.013 14:23:48 No !SS8SS&SS8S8SSSSS= :====sa======sss=sssssssssssssss8ssasss=========s== Element: Sn Seq. No.: 87 AS Loc.: 23 Date: 01/03/2002 Sanple ID: 29963 pL dispensed: 8 from 36, 5 from 37, 12 from 23 Repl Sait^leConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak » pg/L pg/L Signal Area Height Area Height Stored 1 -6.110 -6.110 -0.002 0.001 0.004 0.016 0.017 14:26:26 No saaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa: saaaaaaaaaaaa Element: Sn Seq. No.: 88 AS Loc.: 24 Date: 01/03/2002 Sanple ID: 29964 pL dispensed: *8 from 36, 5 from 37, 12 from 24 Repl SanpleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 -6.785 -6.785 -0.002 0.001 0.004 0.048 0.026 14:29:02 No =BSS8S8SSSSSSSSSSSS=SSSS=SSa===S===SSSSSSSSSSSS=SSSS==S=SSSSSSSS3SSSSSSSSS==SSSSS=SSSSSS

Element: Sn • Seq. No.: 89 AS Loc.: 25 Date: 01/03/2002 San^le ID: 30009 pL dispensed: 8 from 36, 5 from 37, 12 from 25 Repl ScunpleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L ug/L Signal Area Height Area Height Stored 1 -5.542 -5.542 -0.001 0.001 0.004 0.022 0.019 14:31:41 No

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NYC-WTC_000083964

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NYC-WTC_000083964Source: NYC Law Department, mirrored locally

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