Selenium lab results, WTC samples, Nov 8 2001

NYC 9/11 Public Portal Document SGSSSSSBaBS;ZSCSCSSSa8SS58Z3BBaB&3S3S3B>63e3S=aSSBC3eSBBe3a8SBSSBe58Ba8SSSS38SSS8S8SBC5S3BSSaaB88aaaSB8aaS8SC8SC3SS88SS Element: Se Seq. No.: 66 AS Loo.; 27 Date; 11/08/2001 San^le ID: 26112dup 111, dispensed: 5 from 37, 20 from 27, 10 from 38 111, dispensed: 5 from 37, 20 from 27, 10 from 38

Repl San^leConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # ;tg/L /ig/L Signal Area Height Area Height Stored 1 2.640 2.640 0.020 0.023 0.017 0.215 0.095 14:45:19 No Recovery is 52.8% (outside of specified limits)

Element: Se Seq. No.: 67 AS Loc.; 27 Date: 11/08/2001 Sanple ID: 26112dup 111, dispensed: 25 from 36, 5 from 37, 5 from 27 (11, dispensed: 25 from 36, 5 from 37, 5 from 27

Repl SanqpleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # Mg/i* ftg/i* Signal Area Height Area Height Stored 1 1.030 0.2575 0.003 0.006 0.009 0.078 0.048 14:49:43 No

8888888888888; :BBBB88aa8BB88888888888888888888888888888888888888888888888888

Element: Se Seq. No.: 68 AS Loc.: 27 Date: 11/08/2001 Sanple ID: 26112dup 111, dispensed: 15 from 36, 5 from 37, 5 from 27, 10 from 38 111, dispensed: 15 from 36, 5 from 37, 5 from 27, 10 from 38

Repl San^leConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # Mg/L gg/L Signal Area Height Area Height Stored 1 15.81 3.951 0.029 0.032 0.035 0.083 0.052 14:54:18 No Recovery is 73.9% (outside of specified limits)

Element: Se Seq. No.: 69 AS Loc.: 28 Date: 11/08/2001 San^le ID: 26127 111, dispensed: 10 from 36, 5 from 37, 20 from 28 111, dispensed: 10 from 36, 5 from 37, 20 from 28

Repl San^jleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # /tg/L /tg/L Signal Area Height Area Height Stored 1 -0.0181 -0.0181 0.001 0.004 0,009 0.037 0.018 14:58:45 No

:88a8888888888888888 B88S888S8S8B88888888B88B88BB88SS8a

Element: Se Seq. No.; 70 AS Loc,: 29 Date: 11/08/2001 Sample ID: 26128 111, dispensed: 10 from 36, 5 from 37, 20 from 29 fill dispensed: 10 from 36, 5 from 37, 20 from 29

Repl San^leConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # Mg/L /ig/L Signal Area Height Area Height stored 1 0.0822 0.0822 0.002 0.004 0.008 0.030 0.016 15:03:15 No

888888888888888888888888888888888888888888888888888888888888888888888888888888888888888

Element; Se Seq. No.: 71 AS Loc.: 2 Date: 11/08/2001 Saitple ID: IPC lih dispensed: 10 from 36, 5 from 37, 20 from 2 111, dispensed: 10 from 36, 5 from 37, 20 from 2

Repl San5)leConc / StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # /ig/L / pg/L signal Area Height Area Height Stored 1 4.841 if 4.841 0.036 0.038 0.047 0.023 0.015 15:07:33 No QC value within specified limits.

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