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Sample batch list with IDs, April 12, 2002

Machine-extracted title · confidence 90%

List of sample identifiers and quality control samples processed in a batch on April 12, 2002.

NYC-WTC_000041258–000041281

Folder label: “SN 4/12/02”

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NYC 9/11 Public Portal Document

, Method Name: SnHGA Element: Sn *' Method Description: Snhga SM3113 B Date: 04/12/2002 Technique: Furnace Calibration Equation: Calc. Intercept: Linear Wavelength: 286.3 nm Slit Width: 0.70 nm Lamp Current: 30 Energy: 57 Sample Info File: Untitled Results Data Set:

Element: Sn Seq. No.: 1 AS Loc.: 36 Date: 04/12/2002 Sample ID: Calib Blank uL dispensed: 8 from 36, 5 from 37, 12 from 36 Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # ug/L ug/L / Signal Area Height Area Height Stored 1 / 0.001 0.001 0.005 0.008 0.032 10:32:55 No Auto-zero performed.

Element: Sn Seq. No.: 2 AS Loc.: 38 Date: 04/12/2002 Sample ID: s50 uL dispensed: 17 from 36, 5 from 37, 3 from 38 Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # ug/L Ug/L Signal / Area Height Area Height Stored 1 0.068 / 0.068 0.204 0.023 0.056 10:35:31 No Standard number 1 applied. [50.0] Correlation Coefficient: 1.0000 Slope: 0.0014

Element: Sn Seq. No.: 3 AS Loc.: 38 Date: 04/12/2002 Sample ID: sl00 uL dispensed: 14 from 36, 5 from 37, 6 from 38 Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # ug/L ug/L Signal Area Height Area Height Stored 1 0.124 / 0.125 0.372 0.031 0.079 10:38:12 No Standard number 2 applied. [100.0] Correlation Coefficient: 0.9986 Slope: 0.0012

Element: Sn Seq. No.: 4 AS Loc.: 38 Date: 04/12/2002 Sample ID: sl50 uL dispensed: 11 from 36, 5 from 37, 9 from 38 Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # ug/L ug/L Signal / Area Height Area Height Stored 1 0.185/ 0.185 0.542 0.043 0.110 10:40:54 No Standard number 3 applied. [150.0] Correlation Coefficient: 0.9993 Slope: 0.0012

Element: Sn Seq. No.: 5 AS Loc.: 38 Date: 04/12/2002 Sample ID: s200 uL dispensed: 8 from 36, 5 from 37, 12 from 38 Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # ug/L ug/L Signal Area Height Area Height Stored 1 0.233 j 0.234 0.676 0.054 0.141 10:43:36 No The calibration curve may not be linear. Standard number 4 applied. [200.0] / Correlation Coefficient: 0.9986 V Slope: 0.0012

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NYC-WTC_000041259Source: NYC Law Department, mirrored locally

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