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Water sample batch list, Feb 28, 2002

Machine-extracted title · confidence 100%

Document listing water sample IDs and quality control checks processed on February 28, 2002.

NYC-WTC_000086386–000086398

Folder label: “SN 2/28/02

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Scanned page image, NYC-WTC_000086387
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NYC 9/11 Public Portal Document

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

Date: 02/28/2002 Technique: Furnace Calibration Equation: Calc. Intercept: Linear Wavelength: 286.3 nm Slit Width: 0.70 nm Lamp Current: 20 Energy: 46 Sample Info File: Untitled Results Data Set:

Element: Sn Seq. No.: 1 AS Loc.: 36 Date: 02/28/2002 Sample ID: Calib Blank pL dispensed: 8 from 36, 5 from 37, 12 from 36

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 0.005 0.005 0.011 0.009 0.015 10:31:55 No Auto-zero performed.

Element: Sn Seq. No.: 2 AS Loc.: 38 Date: 02/28/2002 Sample ID: s50 pL dispensed: 17 from 36, 5 from 37, 3 from 38

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 0.064 0.069 0.143 0.026 0.030 10:34:31 No Standard number 1 applied. [50.0] Correlation Coefficient: 1.0000 Slope: 0.0013

Element: Sn Seq. No.: 3 AS Loc.: 38 Date: 02/28/2002 Sample ID: slOO pL dispensed: 14 from 36, 5 from 37, 6 from 38

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak Area Height # ■

pg/L pg/L Signal Area Height Stored 1 0.122 0.127 0.256 0.033 0.055 10:37:13 No Standard number 2 applied. [100.0] Correlation Coefficient: 0.9996 Slope: 0.0012

Element: Sn Seq. No.: 4 AS Loc.: 38 Date: 02/28/2002 Sample ID: sl50 pL dispensed: 11 from 36, 5 from 37, 9 from 38

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 0.183 0.188 0.382 0.047 0.070 10:39:55 No Standard number 3 applied. [150.0] Correlation Coefficient: 0.9998 Slope: 0.0012

Element: Sn Seq. No.: 5 AS Loc.: 38 Date: 02/28/2002 Sample ID: s200 pL dispensed: 8 from 36, 5 from 37, 12 from 38

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L '^^\Signal Area Height Area Height Stored 1 _X237 0.242 0.489 0.056 0.085 10:42:36 No Standard number 4 applied^[200. Correlation Coefficient:^ 0.9996 Slope: 0.0012

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NYC-WTC_000086387

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NYC-WTC_000086387Source: NYC Law Department, mirrored locally

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