Lead in potable water lab report second run sample list

NYC 9/11 Public Portal Document

■ Element: Pb Seq. No.: 269 AS Loc.: 27 Date: 10/05/2001 Sample ID: 23302DUP pL dispensed: 25 from 36, 5 from 37, 5 from 27

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 -0.2474 -0.0618 0.002 0.006 0.011 0.041 0.017 12:45:54 No

Element: Pb Seq. No.: 270 AS Loc.: 27 Date: 10/05/2001 Sample ID: 23302DUP pL dispensed: 15 from 36, 5 from 37, 10 from 38, 5 from 27

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 26.77 6.693 0.053 0.057 0.087 0.049 0.035 12:48:40 No Recovery is 66.9% (outside of specified limits)

Element: Pb Seq. No.: 271 AS Loc.: 28 Date: 10/05/2001 Sample ID: 23303 pL dispensed: 10 from 36, 5 from 37, 20 from 28

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 0.1000 0.1000 0.004 0.007 0.010 0.050 0.023 12:51:23 No

Element: Pb Seq. No.: 272 AS Loc.: 2 Date: 10/05/2001 Sample ID: IPC pL dispensed: 10 from 36, 5 from 37, 20 from 2

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 9.557 9.557 0.075 0.079 0.150 0.028 0.053 12:54:04 No QC value within specified limits.

Element: Pb Seq. No.: 273 AS Loc.: 3 Date: 10/05/2001 Sample ID: CB pL dispensed: 10 from 36, 5 from 37, 20 from 3

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 -0.2031 -0.2031 0.001 0.005 0.010 0.002 0.005 12:56:40 No

Element: Pb Seq. No.: 274 AS Loc.: 29 Date: 10/05/2001 Sample ID: 23338 pL dispensed: 10 from 36, 5 from 37, 20 from 29

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 0.4305 0.4305 0.006 0.010 0.022 0.008 0.010 12:59:19 No

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