Sample batch list with IDs, April 9, 2002

NYC 9/11 Public Portal Document

• Element: Sn Seq. No.: 54 AS Loc.: 32 Date: 04/09/2002 Sample ID: 7627 pL dispensed: 8 from 36, 5 from 37, 12 from 32 Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # ug/L ug/L Signal Area Height Area Height Stored 1 -6.961 -6.961 -0.001 0.000 0.004 0.016 0.032 13:10:16 No

Element: Sn Seq. No.: 55 AS Loc.: 2 Date: 04/09/2002 Sample ID: IPC uL dispensed: 8 from 36, 5 from 37, 12 from 2 Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # ug/E—— _ ug/L Signal Area Height Area Height Stored 1 111.4 111.4 0.130 0.131 0.357 0.032 0.061 13:12:55 No QC out of limit . QC will be repeated based on Retry setting.

Element: Sn Seq. No.: 56 AS Loc.: 2 Date: 04/09/2002 Sample ID: IPC uL dispensed: 8 from 36, 5 from 37, 12 from 2 --------- t---------------- Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # ug/L ug/L Signal Area Height Area Height Stored 1 107.4 107.4 0.125 0.126 0.350 0.033 0.064 13:15:33 No QC value within specified limits.

Element: Sn Seq. No.: 57 AS Loc.: 3 Date: 04/09/2002 Sample ID: CB uL dispensed: 8 from 36, 5 from 37, 12 from 3 Repl SampleCond StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # ug/L . ug/L Signal Area Height Area Height Stored 1 -7.642 V -7.642 -0.002 -0.001 0.005 0.013 0.024 13:18:10 No

Element: Sn Seq. No.: 58 AS Loc.: 33 Date: 04/09/2002 Sample ID: 7628 uL dispensed: 8 from 36, 5 from 37, 12 from 33 Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # ug/L ug/L Signal Area Height Area Height Stored 1 -6.297 -6.297 0.000 0.001 0.006 0.016 0.036 13:20:50 No

Element: Sn Seq. No.: 59 AS Loc.: 34 Date: 04/09/2002 Sample ID: 7629 uL dispensed: 8 from 36, 5 from 37, 12 from 34 Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # ug/L ug/L Signal Area Height Area Height Stored 1 -6.733 -6.733 -0.001 0.000 0.006 0.024 0.040 13:23:31 No

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