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Laboratory sample list, DEP Box 24, May 21, 2002

Machine-extracted title · confidence 95%

List of analytical sample IDs and quality control checks processed by the Department of Environmental Protection on May 21, 2002.

NYC-WTC_000042019–000042042

Folder label: “SN 5/21/02”

←Page 3 of 24→
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NYC 9/11 Public Portal Document

Sn 0.3

1 0.2 oQ § 2o M Q 0.1 st

I k Li “I

-100 0 100 200 300

Concentration

Calibration data for Sn Entered Calculated Mean Signal Concentration Concentration Standard Standard ID (Pk Area) (ug/L) (ug/L) Deviation IRSD Calib Blank 0.000 -6.424 s50 0.061 50.0 53.44 S100 0.117 100.0 107.9 sl50 0.160 150.0 149.5 s200 0.207 200.0 195.6 Correlation Coefficient: 0.99729 Slope: 0.00103 Intercept: 0.007

Element: Sn Seq. No.: 11 AS Loc.:' 1 Date: 05/21/2002 Sample ID: QCS uL dispensed: 8 from 36, 5 from 37, 12 from 1 Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # ug/L /ug/L Signal Area Height Area Height Stored 1 104.2 / 104.2 0.114 0.117 0.403 0.025 0.061 11:03:11 No QC value within specified limits.

Element: Sn Seq. No.: 12 AS Loc.: 2 Date: 05/21/2002 Sample ID: IPC uL dispensed: 8 from 36, 5 from 37, 12 from 2 Repl S ampl eConc/ StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # ug/L / ug/L Signal Area Height Area Height Stored 1 101.4 / 101.4 0.111 0.114 0.383 0.024 0.059 11:05:47 No QC value within 'specified limits.

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NYC-WTC_000042021

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NYC-WTC_000042021Source: NYC Law Department, mirrored locally

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