Laboratory sample list, DEP Box 24, June 3, 2002

NYC 9/11 Public Portal Document

' Element: Sn Seq. No.: 60 AS Loc.: 2 Date: 06/03/2002 Sample ID: IPC uL dispensed: 8 from 36, 5 from 37, 12 from 2 Repl SampleConc BlnkCorr tndConc Peak Peak Bkgnd Bkgnd Time Peak # ug/L / ug/L Signal Area Height Area Height Stored 1 91.44 J 91.44 0.127 0.128 0.360 0.027 0.060 13:38:54 No QC value within specified limits.

Element: Sn Seq. No.: 61 AS Loc.: 3 Date: 06/03/2002 Sample ID: CB uL dispensed: 8 from 36, 5 from 37, 12 from 3 Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak if ug/L / ug/L Signal Area Height Area Height Stored 1 -6.127J -6.127 0.002 0.002 0.011 0.006 0.026 13:41:30 No

Element: Sn Seq. No.: 62 AS Loc.: 27 Date: 06/03/2002 Sample ID: 12761dup uL dispensed: 8 from 36, 5 from 37, 12 from 27 Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # ug/L ug/L Signal Area Height Area Height Stored 1 -7.970 -7.970 -0.001 0.000 0.013 0.011 0.027 13:44:09 No

Element: Sn Seq. No.: 63 AS Loc.: 27 Date: 06/03/2002 Sample ID: 12761dup uL dispensed: 5 from 36, 5 from 37, 3 from 38, 12 from 27 Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak if ug/L \ ug/L Signal Area Height Area Height Stored 1 34.01 j 34.01 0.053 0.054 0.155 0.016 0.037 13:46:56 No Recovery is 68.0 .tside of specified limits)

Element: Sn Seq. No.: 64 AS Loc.: 27 Date: 06/03/2002 Sample ID: 12761dup uL dispensed: 16 from 36, 5 from 37, 4 from 27 Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # ug/L ug/L Signal Area Height Area Height Stored 1 -12.87 -4.289 0.004 0.005 0.011 0.004 0.028 13:49:37 No

Element: Sn Seq. No.: 65 AS Loc.: 27 Date: 06/03/2002 Sample ID: 12761dup uL dispensed: 13 from 36, 5 from 37, 3 from 38, 4 from 27 Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak if ug/L ug/L Signal Area Height Area Height Stored 1 142.3 1 47.44 0.070 0.071 0.193 0.015 0.037 13:52:23 No Recovery is 94.9%

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NYC-WTC_000042066