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Laboratory sample list, DEP Box 24, May 21, 2002

Machine-extracted title · confidence 95%

List of analytical sample IDs and quality control checks processed by the Department of Environmental Protection on May 21, 2002.

NYC-WTC_000042019–000042042

Folder label: “SN 5/21/02”

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NYC 9/11 Public Portal Document

-- -------- : Element: Sn Seq. No.: 6 AS Loc.: 36 Date: 05/21/2002 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 0.003 0.010 0.007 0.030 10:46:20 No Auto-zero performed.

Element: Sn Seq. No.: 7 AS Loc.: 38 Date: 05/21/2002 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 0.061 0.065 0.212 0.013 0.038 10:48:56 No Standard number 1 applied. [50.0] Correlation Coefficient: 1.0000 Slope: 0.0012

Element: Sn Seq. No.: 8 AS Loc.: 38 Date: 05/21/2002 Sample ID: slOO 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 0.117 0.121 0.417 0.025 0.064 10:51:39 No Standard number 2 applied. [100.0] Correlation Coefficient: 0.9996 Slope: 0.0012

Element: Sn Seq. No.: 9 AS Loc.: 38 Date: 05/21/2002 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 0.160 0.163 0.558 0.034 0.084 10:54:21 No Standard number 3 applied. [150.0] Correlation Coefficient: 0.9968 Slope: 0.0011

Element: Sn Seq. No.: 10 AS Loc.: 38 Date: 05/21/2002 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 0.207/ 0.210 0.709 0.040 0.106 10:57:03 No The calibration curve may not be linear. Standard number 4 applied. [200.0] / Correlation Coefficient: 0.9973 / Slope: 0.0010

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NYC-WTC_000042020Source: NYC Law Department, mirrored locally

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