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Sample batch list with IDs, April 26, 2002

Machine-extracted title · confidence 90%

List of sample identifiers and quality control samples processed in a batch on April 26, 2002.

NYC-WTC_000041906–000041920

Folder label: “SN 4/26/02”

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NYC 9/11 Public Portal Document

Method Name: SnHGA Element: Sn Method Description: Snhga SM3113 B

Date: 04/26/2002 Technique: Furnace Calibration Equation: Calc. Intercept: Linear Wavelength: 286.3 nm Slit Width: 0.70 nm Lamp Current: 2 0 Energy: 44 Sample Info File: Untitled Results Data Set:

Element: Sn Seq. No.: 49 AS Loc.: 1 Date: 04/26/2002 Sample ID: QCS uL dispensed: 8 from 36, 5 from 37, 12 from 1

Repl SampleConc /StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L / ug/L Signal Area Height Area Height Stored 1 98.79 / 98.79 0.119 0.119 0.311 0.028 0.044 14:37:42 No QC value within specified limits.

Element: Sn Seq. No.: 50 AS Loc.: 2 Date: 04/26/2002 Sample ID: IPC uL dispensed: 8 from 36, 5 from 37, 12 from 2

Repl SampleConc / StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L / pg/L Signal Area Height Area Height Stored 1 105.9 / 105.9 0.127 0.127 0.351 0.031 0.048 14:40:19 No QC value within specified limits.

Element: Sn Seq. No.: 51 AS Loc.: 3 Date: 04/26/2002 Sample ID: CB uL dispensed: 8 from 36, 5 from 37, 12 from 3

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # ug/L / ug/L Signal Area Height Area Height Stored 1 -4.313 0.001 0.001 0.013 0.011 0.014 14:42:56 No

Element: Sn Seq. No.: 52 AS Loc.: 4 Date: 04/26/2002 Sample ID: LFB uL dispensed: 8 from 36, 5 from 37, 12 from 4

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 218.1 / 218.1 0.255 0.255 0.633 0.037 0.080 14:45:33 No Sample absorbance /is greater than that of the highest standard. QC value within specified limits.

Element: Sn Seq. No.: 53 AS Loc.: 5 Date: 04/26/2002 Sample ID: LRB uL dispensed: 8 from 36, 5 from 37, 12 from 5

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # ug/L ug/L Signal Area Height Area Height Stored 1 -4.727 -4.727 0.001 0.001 0.016 0.007 0.011 14:48:11 No

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NYC-WTC_000041911

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NYC-WTC_000041911Source: NYC Law Department, mirrored locally

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