Sample status query log, Selenium, Nov 2001

NYC 9/11 Public Portal Document The calibration curve has been edited.

Element: Se Seq. No.: 75 AS Loc.: 36 Date: 09/17/2001 Sample ID: Calib Blank uh dispensed: 20 from 36, 5 from 37, 20 from 36

Repl San^leConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # lig/h l^g/h Signal Area Height Area Height stored 1 0.003 0.004 0.012 0.017 0.011 16:09:42 No Auto-zero performed.

Element: Se q. No.: 76 AS Loc.: 7 Date: 09/17/2001 San^le ID: 20173 lih dispensed: 20 from 36, 5 from 37, 20 from 7

Repl SampleConc Stndi ic BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # Mg/L \ Signal Area Height Area Height Stored 1 \ 0.006 0.011 0.027 0.076 0.052 16:12:19I No

:^KSSssss3Bszs8ssa:8Ssszss:ssssBS5sstsassss8SSS5ssss&8B8B8a8asa8ssssssasass8S

Element: Se Seq. No.: 77 AS Loc.: 38 Date: 09/17/2001 Sample ID: S5 lih dispensed; 15 from 36, 5 from 37, 20 from 7, 5 from 38

Repl San^leConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # Hg/h fig/h Signal Area Height Area Height Stored 1 0.018 0.023 0.054 0.091 0.062 16:15:08 No Addition number 1 applied. [5.00] Correlation Coefficient; 1.0000 Slope: 0.0024

Element: Se Seq. No.: 78 AS Loc.: 38 Date: 09/17/2001 Sample ID: SIO lih dispensed: 10 from 36, 5 from 37, 20 from 7, 10 from 38

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/b M9/b Signal Area Height Area Height Stored 1 0.033 0.037 0.080 0.093 0.066 16:17:56 No Addition number 2 applied. [10.00] Correlation Coefficient: 0.9979 Slope: 0.0027

Element: Se Seq. No.: 79 AS Loc.: 38 Date: 09/17/2001 San^jle ID: S15 uh dispensed: 5 from 36, 5 from 37, 20 from 7, 15 from 38

Repl San^leConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # lig/h iig/h Signal Area Height Area Height stored 1 0.045 0.050 0.100 0.095 0.072 16:20:46 No Addition number 3 applied. [15.00] Correlation Coefficient: 0.9991 Slope: 0.0026

Page 22 NYC-WTC_000065255