Sample batch list with IDs, April 29, 2002

NYC 9/11 Public Portal Document

Element: Sn Seq. No.: 52 AS Loc.: 5 Date: 04/29/2002 Sample ID: LRB uL dispensed: 8 from 36, 5 from 37, 12 from 5

Repl SampleConc /StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # ug/L / ug/L Signal Area Height Area Height Stored 1 -4.746 J -4.746 0.000 -0.001 0.006 0.019 0.013 13:43:30 No

Element: Sn Seq. No.: 53 AS Loc.: 26 Date: 04/29/2002 Sample ID: 10023 uL dispensed: 8 from 36, 5 from 37, 12 from 26

Repl SampleConc / StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # ug/L / ug/L Signal Area Height Area Height Stored 1 -3.093 / -3.093 0.002 0.001 0.006 0.026 0.024 13:46:08 No

Element: Sn Seq. No.: 54 AS Loc.: 26 Date: 04/29/2002 Sample ID: 10023 uL dispensed: 5 from 36, 5 from 37, 3 from 38, 12 from 26

Repl SampleConc tndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # ug/L / g/L Signal Area Height Area Height Stored 1 44.89/ 44.89 \ N 0.059 0.058 0.160 0.031 0.026 13:48:55 No Recovery is 89.88

Element: Sn / yal— Seq. No/: 55 AS Loc.: 27 Date: 04/29/2002 Sample ID: 10023dup 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 -2.740 -2.740 0.003 0.002 0.007 0.027 0.023 13:51:37 No

Element: Sn Seq. No.: 56 AS Loc.: 27 Date: 04/29/2002 Sample ID: 10023dup uL dispensed: 5 from 36, 5 from 37, 3 from 38, 12 from 27

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # ug/L Nug/L Signal Area Height Area Height Stored 1 37.27 A 37.27 0.050 0.049 0.154 0.035 0.027 13:54:24 No Recovery is 74.5% (outside of specified limits)

Element: Sn Seq. No.: 57 AS Loc.: 27 Date: 04/29/2002 Sample ID: 10023dup 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 -7.915 -2.638 0.003 0.002 0.005 0.023 0.020 13:57:06 No

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