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Document / 28 pages

Sample batch list with IDs, April 29, 2002

Machine-extracted title · confidence 90%

List of sample identifiers and quality control samples processed in a batch on April 29, 2002.

NYC-WTC_000041938–000041965

Folder label: “SN 4/29/02”

←Page 9 of 28→
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OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

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

Date: 04/29/2002 Technique: Furnace Calibration Equation: Calc. Intercept: Linear Wavelength: 286.3 nm Slit Width: 0.70 nm Lamp Current: 20 Energy: 48 Sample Info File: Untitled Results Data Set:

Element: Sn Seq. No.: 36 AS Loc.: 5 Date: 04/29/2002 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 -6.088 / -6.088 -0.001 -0.002 0.012 0.016 0.012 12:56:50 No

Element: Sn Seq. No.: 37 AS Loc.: 23 Date: 04/29/2002 Sample ID: 10019 uL dispensed: 8 from 36, 5 from 37, 12 from 23

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # ug/L ug/L Signal Area Height Area Height Stored 1 -5.485 -5.485 -0.001 -0.001 0.008 0.021 0.025 12:59:28 No

Element: Sn Seq. No.: 38 AS Loc.: 23 Date: 04/29/2002 Sample ID: 10019 uL dispensed: 5 from 36, 5 from 37, 3 from 38, 12 from 23

Repl SampleConc .j StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # ug/L \ ug/L Signal Area Height Area Height Stored 1 42.07 . 42.07 0.056 0.055 0.161 0.024 0.024 13:02:14 No Recovery is 84.1% (outside of specified limits)

Element: Sn Seq. No.: 39 AS Loc.: 23 Date: 04/29/2002 Sample ID: 10019 uL dispensed: 16 from 36, 5 from 37, 4 from 23

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd - Bkgnd Time Peak # ug/L ug/L Signal Area Height Area Height Stored 1 -12.30 -4.101 0.001 0.000 0.011 0.016 0.020 13:04:51 No

Element: Sn Seq. No.: 40 AS Loc.: 23 Date: 04/29/2002 Sample ID: 10019 L dispensed: 13 from 36/ 5 from 37, 3 from 38, 4 from 23

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # ug/L ug/L Signal Area Height Area Height Stored 1 130.4 43.47 0.057 0.057 0.147 0.015 0.019 13:07:37 No Recovery is 86.9%

Page 9

NYC-WTC_000041946

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NYC-WTC_000041946Source: NYC Law Department, mirrored locally

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