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Selenium lab results, WTC samples, Oct 1 2001

Machine-extracted title · confidence 100%

Laboratory report listing sample IDs and QC data for selenium analysis of World Trade Center environmental samples dated October 1, 2001.

NYC-WTC_000065291–000065317

Folder label: “Se

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Scanned page image, NYC-WTC_000065309
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NYC 9/11 Public Portal Document

Element: Se Seq. No.: 77 ASLoc.: 38 Date: 10/01/2001 ; San^Je ID: S20 IJLli dispensed: 5 from 37, 20 from 7, 20 from 38

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # gg/b gg/b signal Area Height Area Height Stored 1 0.065 0.072 0.087 0.034 0.031 15:36:22 No The calibration curve may not be linear. Addition number 4 applied. [20.00] Correlation Coefficient: 0.9990 Slope: 0.0032

Se 0.08 “T

0.06 -

8c 0.04'

0.02 -

0-t I "I 0 10 20 30

Concentration

Calibration data for Se Entered Calculated Mean Signal ConcentratioiXconcentration Standard Standard ID (Pk Area) (gg/b) (gg/b) Deviation %RSD Calib Blank 0.000 1.875 S5 0.014 5.00 6.264 SIO 0.030 10.00 11.14 S15 0.047 15.00 Its. 2 8 S20 0.065 20.00 21X87 Correlation Coefficient: 0.99898 Slope: 0.00323 ■tercept: -0.001 ---- ,--- --------------------- [Se] Sample Concentration -2.265 gg/L [Se] Sample Concentration -22.65 /ig/L

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NYC-WTC_000065309

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NYC-WTC_000065309Source: NYC Law Department, mirrored locally

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