Water sample batch list, Feb 26 2002

NYC 9/11 Public Portal Document

Element: Sn Seq. No.: 163 AS Loc.: 16 Date: 02/26/2002 Sample ID: 4247 pL dispensed: 5 from 36, 5 from 37, 3 from 38, 12 from 16

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 34.93 34.93 0.028 0.029 0.078 0.015 0.030 18:37:38 No Recovery is 69.9%^((^^si^^of specified limits)

Element: Sn Seq. No.: 164 AS Loc.: 16 Date: 02/26/2002 Sample ID: 4247 pL dispensed: 16 from 36, 5 from 37, 4 from 16

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 -18.02 -6.007 -0.002 -0.001 0.008 0.012 0.022 18:40:19 No

Element: Sn Seq. No.: 165 AS Loc.: 16 Date: 02/26/2002 Sample ID: 4247 pL dispensed: 13 from 36, 5 from 37, 3 from 38, 4 from 16

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # 1 pg/L 140.5 Recovery is 93.6%

Element: Sn Sample ID: IRC pg/L 46.82»

Seq. No.: 166 zSj/^inal 036

AS Loc.: 2 Area 0.038 Height 0.095 Area 0.018

Date: 02/26/2002 Height Stored 0.031 18:43:08 No

pL dispensed: 8 from 36, 5 from 37, 12 from 2

Repl Sam] eConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # P' pg/L Signal Area Height Area Height Stored 1 114.3 114.3 0.086 0.087 0.219 0.022 0.050 18:45:45 No QC out ■f limits QC will be repeated based on Retry setting.

Element: Sn Seq. No.: 167 AS Loc.: 2 Date: 02/26/2002 Sample ID: IPC pL dispensed: 8 from 36, 5 from 37, 12 from 2

Repl SampleConc /StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # 1 108.6 V J108.6 Signal 0.082 Area 0.083 Height 0.224 Area 0.025 Height Stored 0.045 18:48:22 No QC value within specified limits.

Element: Sn Seq. No.: 168 AS Loc.: 3 Date: 02/26/2002 Sample ID: CB pL dispensed: 8 from 36, 5 from 37, 12 from 3

Repl SampleConc / StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L / pg/L Signal Area Height Area Height Stored 1 J -3.480 0.000 0.001 0.009 0.007 0.022 18:50:57 No

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