Asbestos lab analysis batch results, Jan 31 2002

Machine-extracted title · confidence 95%

Lab report listing sample IDs and quality control samples analyzed on January 31, 2002.

NYC-WTC_000084187–000084196

Folder label: “Ti 1/31/02”

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NYC 9/11 Public Portal Document rerjtrnikrnier AAWinjjan: U1/J1/2UU2, 01:11:11 PM

Repl SairpleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 -2.41 -2.41 -0.0041 0.0032 0.0017 0.0037 0.0057 01:13:03 No

Element: Ti Seq. No.: 30 AS Loc.: 16 Date: 01/31/2002 Sample ID: 27818 pL dispensed: 10 from 86, 20 from 16

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L lig/L Signal Area Height Area Height Stored 1 -2.46 -2.46 -0.0041 0.0032 0.0017 0.0032 0.0044 01:16:46 No

Element: Tl Seq. No.: 31 AS Loc.: 16 Date: 01/31/2002 Sample ID: 27818 pL dispensed: 10 from 88, 20 from 16

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 20.3 ^-0-3 0.0176 0.0249 0.0172 0.0039 0.0058 01:20:30 No Recovery for Ti = '40.^%,) less than lower limit of 85 %

Element: Ti Seq. No.: 32 AS Loc.: 16 Date: 01/31/2002 Sample ID: 27818 pL dispensed: 25 from 86, 5 from 16

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 -9.10 -2.28 -0.0039 0.0034 0.0018 0.0033 0.0041 01:24:12 No

Element: Ti Seq. No.: 33 AS Loc.: 16 Date: 01/31/2002 Sample ID: 27818 pL dispensed: 15 from 86, 10 from 88, 5 from 16

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 85.9 21.5 0.0187 0.0260 0.0188 0.0052 0.0052 01:28:04 No Recovery for Ti = leas than lower limit of 85 %

Element: Ti Seq. No.: 34 AS Loc.: 17 Date: 01/31/2002 Sample ID: 27819 pL dispensed: 10 from 86, 20 from 17

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 -2.04 -2.04 -0.0037 0.0036 0.0017 0.0027 0.0054 01:31:49 No

Element: Ti Seq. No.: 35 AS Loc.: 18 Date: 01/31/2002 Sample ID: 27823 pL dispensed: 10 from 86, 20 from 18

Repl SanpleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 -3.00 -3.00 -0.0046 0.0027 0.0015 0.0030 0.0064 01:35:32 No

Element: Ti Seq. No.: 36 AS Loc.: 19 Date: 01/31/2002 Sample ID: 27826

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NYC-WTC_000084195

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NYC-WTC_000084195Source: NYC Law Department, mirrored locally

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