Selenium lab results, WTC samples, Oct 1 2001

NYC 9/11 Public Portal Document

■ Calibration data for Se Entered Calculated Mean Signal Concentration Concentration Standard Standard ID (Pk Area) (gg/L) Deviation %RSD Calib Blank 0.000 0.1705 S2 0.011 2 1.563 S4 0.032 4 4.193 S6 0.046 6 6.057 S8 0.06^^ 8 8.200 SIO 10 9.816 Correlation Coefficient:Z6.9976 Slope: 0.00784 Intercept: -0.001

The calibration curve has been^'«di<ed.

Element: Se Seq. No.; 7 AS Loc.: 38 Date: 10/01/2001 San^le ID: S2 lib dispensed: 26 from 36, 5 from 37, 4 from 38 lib dispensed: 26 from 36, 5 from 37, 4 from 38

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # iig/b jig/b Signal Area Height Area Height Stored 1 0.021 0.024 0.023 0.021 0.013 09:54:19 No Standard number 1 applied. [2r Correlation Coefficient: 0.9970 Slope; 0.0074 The calibration curve has been edited. :ssssa^asBass&sssaBBassssssBSSBaBaBsssa8SBBassassi

Element: Se Seq. No.: 8 AS Loc.: 38 Date: 10/01/2001 Sample ID: S2 lib dispensed: 26 from 36, 5 from 37, 4 from 38 p.b dispensed: 26 from 36, 5 from 37, 4 from 38

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # lig/b lig/b Signal Area Height Area Height Stored 1 0.018 0.021 0.025 0.022 0.014 09:59:44 No Standard number 1 applied. [2]' Correlation Coefficient: 0.9991 Slope: 0.0075

Element: Se Seq. No.: 9 AS hoc.: 1 Date: 10/01/2001 Sample ID: QCS gL dispensed: 10 from 36, 5 from 37, 20 from 1 lib dispensed: 10 from 36, 5 from 37, 20 from 1

Repl ISampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # i /ig/b Signal Area Height Area Height Stored 1 / 5.01^ ' 5.016 0.039 0.042 0.045 0.027 0.022 10:04:16 No QC valu(.el within/s] icified limits.

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Element: Se Seq. No.; 10 AS hoc.: 2 Date: 10/01/2001 San^jle ID: IPC gL dispensed: 10 from 36, 5 from 37, 20 from 2 lib dispensed: 10 from 36, 5 from 37, 20 from 2

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # lig/^r~^^ lig/b Signal Area Height Area Height Stored 1 / 4.657 A I 4.657 0.036 0.039 0.049 0.027 0.020 10:08:28 No QC value ^thin apeaifled limits.

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