Sample batch list with IDs, March 29, 2002

NYC 9/11 Public Portal Document

Element: Sn Seq. No.: 89 AS Loc.: 6 Date: 03/29/2002 . Sample ID: 7113 uL dispensed: 8 from 36, 5 from 37, 12 from 6

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # ug/L ug/L Signal Area Height Area Height Stored 1 -6.549 -6.549 -0.002 -0.001 0.004 0.022 0.026 15:24:09 No

Element: Sn Seq. No.: 90 AS Loc.: 6 Date: 03/29/2002 Sample ID: 7113 uL dispensed: 5 from 36, 5 from 37, 3 from 38, 12 from 6

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # ug/L ug/L Signal Area Height Area Height Stored 42.02 0.047 0.048 0.132 0.027 0.031 15:26:54 No

-A 1 42.02_ Recovery is 84.0% outside of specified limits)

Element: Sn Seq. No.: 91 AS Loc.: 6 Date: 03/29/2002 Sample ID: 7113 uL dispensed: 16 from 36, 5 from 37, 4 from 6

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # ug/L ug/L Signal Area Height Area Height Stored 1 -20.33 -6.775 -0.002 -0.001 0.005 0.022 0.023 15:29:32 No

Element: Sn Seq. No.: 92 AS Loc.: 6 Date: 03/29/2002 Sample ID: 7113 uL dispensed: 13 from 36, 5 from 37, 3 from 38, 4 from 6

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # ug/L /L Signal Area Height Area Height Stored 1 142.4 47.46 0.052 0.053 0.150 0.024 0.035 15:32:17 No Recovery is 94.9%

Element: Sn Seq. No.: 93 AS Loc.: 7 Date: 03/29/2002 Sample ID: 7113dup uL dispensed: 8 from 36, 5 from 37, 12 from 7

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # ug/L ug/L Signal Area Height Area Height Stored 1 -3.016 -3.016 0.002 0.003 0.010 0.022 0.025 15:34:56 No

Element: Sn Seq. No.: 94 AS Loc.: 7 Date: 03/29/2002 Sample ID: 7113dup uL dispensed: 5 from 36, 5 from 37, 3 from 38, 12 from 7

Repl SampleConc tndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # ug/L g/L Signal Area Height Area Height Stored 1 44.72 44.72 0.050 0.051 0.147 0.027 0.036 15:37:42 No Recovery is 89.4% V

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NYC-WTC_000041221