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Sample batch list, DEP Labs, January 7 2002

Machine-extracted title · confidence 100%

List of sample IDs and quality control samples analyzed during the batch processed on January 7, 2002.

NYC-WTC_000084016–000084042

Folder label: “SN 1/7/02”

←Page 19 of 27→
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NYC 9/11 Public Portal Document

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

Date: 01/07/2002 Technique: Furnace Calibration Equation: Calc. Intercept: Linear Wavelength: 286.3 nm Slit Width: 0.70 nm Lamp Current: 30 Energy: 58 Sample Info File: Untitled Results Data Set:

Element: Sn Seq. No.: 86 AS Loc.: 4 Date: 01/07/2002 Sample ID: LFB pL 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 1 190.7 / 190.7 0.073 0.074 0.187 0.041 0.031 15:08:22 No QC value within^specified limits.

Element: Sn Seq. No.: 87 AS Loc.: 5 Date: 01/07/2002 Sample ID: LRB pL dispensed: 8 from 36, 5 from 37, 12 from 5

Repl SampleConc / StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L / pg/L Signal Area Height Area Height Stored 1 -3.582 / -3.582 0.001 0.002 0.004 0.028 0.017 15:10:59 No

Element: Sn Seq. No.: 88 AS Loc.: 6 Date: 01/07/2002 Sample ID: 31504 pL dispensed: 8 from 36, 5 from 37, 12 from 6

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 -3.431 -3.431 0.001 0.002 0.004 0.046 0.027 15:13:37 No

Element: Sn Seq. No.: 89 AS Loc.: 6 Date: 01/07/2002 Sample ID: 31504 pL dispensed: 5 from 36, 5 from 37, 3 from 38, 12 from 6

Repl SampleConc fStndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 49.78 49.78 0.021 0.022 0.057 0.044 0.024 15:16:23 No Recovery is 99.6%

Element: Sn Seq. No.: 90 AS Loc.: 7 Date: 01/07/2002 Sample ID: 31504dup pL dispensed: 8 from 36, 5 from 37, 12 from 7

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 -6.757 -6.757 0.000 0.001 0.004 0.047 0.029 15:19:02 No

Page 19

NYC-WTC_000084034

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NYC-WTC_000084034Source: NYC Law Department, mirrored locally

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