Antimony (Sb) sample batch analysis, Oct 12, 2001

NYC 9/11 Public Portal Document

Element: Sb Seq. No.: 12 AS Loc.: 1 Date: 10/12/2001 ’ Sample ID: QCS /zL dispensed: 10 from 36, 5 from 37, 20 from 1

Repl SanlpleConc: BtndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # Mg/L ’ V/ig/L Signal Area Height Area Height Stored 1 \9.299 \ 9.299 0.029 0.028 0.023 -0.003 0.013 10:03:43 No QC value within lecified limits.

Element: Sb Seq. No.: 13 AS Loc.: 2 Date: 10/12/2001 Sample ID: IPC Illi dispensed: 10 from 36, 5 from 37, 20 from 2

Repl Sai ,leCi StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # Mg/L Signal Area Height Area Heighf^ Stored 1 -0.2482 -0.2482 0.000 -0.001 0.015 -0.003 0.011 10:06:20 No QC out limits will be repeated based on Retry setting.

Element: Sb Seq. No.: 14 AS Loc.: 2 Date: 10/12/2001 Sanqple ID: IPC Illi dispensed: 10 from 36, 5 from 37, 20 from 2

Repl Sai ;ndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # l/L Signal Area Height Area Height Stored 1 10.15 0.032 0.031 0.022 0.004 0.014 10:08:58 No QC value ipecified limits.

aSSSBSSBSS&SBBI

Element: Sb Seq. No.: 15 AS Loe.: 3 Date: 10/12/2001 Sample ID: CB dispensed: 10 from 36, 5 from 37, 20 from 3

San^le(^nc Peak

'J. Repl itndConc BlnkCorr Peak Bkgnd Bkgnd Time Peak # /zg/L' ig/L Signal Area Height Area Height Stored 1 .3994 0.3994 0.002 0.001 0.012 -0.001 0.012 10:11:35 No

Element: Sb Seq. No.; 16 AS Loc.: 4 Date: 10/12/2001 Sample ID: LFB IjlIj dispensed: 10 from 36, 5 from 37, 20 from 4

Repl Sampleppnc /StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # 'W/Mg/L Signal Area Height Area Height Stored 1 1 20.331 V 20.33 0.063 0.062 0.048 0.006 0.016 10:14:12 No QC value within/ specified limits.

Element: Sb Seq. No.: 17 AS Loc.: 5 Date: 10/12/2001 San^le ID: LRB /iL dispensed: 10 from 36, 5 from 37, 20 from 5

Repl San^jleConc / StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # ------- J fig/li Signal Area Height Area Height Stored 1 ^-a^91 \ 2.291 0.008 0.007 0.018 -0.002 0.014 10:16:49 No

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NYC-WTC_000064891