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Lead in potable water lab report second run sample list

Machine-extracted title · confidence 90%

Laboratory report listing sample IDs and quality control checks for a second run of lead analysis.

NYC-WTC_000064491–000064500

Folder label: “Pb”

←Page 6 of 10→
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NYC 9/11 Public Portal Document

■Element: Pb Seq. No.: 262 AS Loc.: 22 Date: 10/05/2001 Sample ID: 23298 pL dispensed: 10 from 36, 5 from 37, 20 from 22

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 0.7967 0.7967 0.009 0.013 0.026 0.021 0.011 12:27:25 No

Element: Pb Seq. No.: 263 AS Loc.: 23 Date: 10/05/2001 Sample ID: 23299 pL dispensed: 10 from 36, 5 from 37, 20 from 23

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 1.161 1.161 0.012 0.015 0.035 0.027 0.013 12:30:00 No :=====sss==:s==:=:=:===:==ss:s======:====s=s:

Element: Pb Seq. No.: 264 AS Loc.: 24 Date: 10/05/2001 Sample ID: 23300 pL dispensed: 10 from 36, 5 from 37, 20 from 24

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 -0.2998 -0.2998 0.001 0.004 0.009 0.066 0.027 12:32:36 No

Element: Pb Seq. No.: 265 AS Loc.: 25 Date: 10/05/2001 Sample ID: 23301 pL dispensed: 10 from 36, 5 from 37, 20 from 25

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak pg/L pg/L Signal Area Height Area Height Stored 1 0.0379 0.0379 0.003 0.007 0.010 0.060 0.026 12:35:14 No

Element: Pb Seq. No.: 266 AS Loc.: 26 Date: 10/05/2001 Sample ID: 23302 pL dispensed: 10 from 36, 5 from 37, 20 from 26

Repl San^leConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 -0.3027 -0.3027 0.001 0.004 0.008 0.065 0.028 12:37:54 No

Element: Pb Seq. No.: 267 AS Loc.: 27 Date: 10/05/2001 Sample ID: 23302DUP pL dispensed: 10 from 36, 5 from 37, 20 from 27

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 -0.1235 -0.1235 0.002 0.006 0.009 0.065 0.027 12:40:35 No

Element: Pb Seq. No.: 268 AS Loc.: 27 Date: 10/05/2001 Sample ID: 23302DUP pL dispensed: 5 from 37, 10 from 38, 20 from 27

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 2.510 2.510 0.022 0.025 0.031 0.052 0.022 12:43:12 No Recovery is 25.1% (outside of specified limits)

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NYC-WTC_000064496

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NYC-WTC_000064496Source: NYC Law Department, mirrored locally

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