Lead in potable water lab report second run sample list

NYC 9/11 Public Portal Document

’Element: Pb Seq. No.; 250 AS Loc.: 15 Date: 10/05/2001 Sample ID: 23291 pL dispensed: 10 from 36, 5 from 37, 20 from 15

Repl SampleConc StndConc BlnkCorr Peak Peale Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 3.727 3.727 0.031 0.035 0.062 0.041 0.023 11:55:31 No

Element: Pb Seq. No.: 251 AS Loc.: 16 Date: 10/05/2001 Sample ID: 23292 pL dispensed: 10 from 36, 5 from 37, 20 from 16

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 0.7525 0.7525 0.009 0.012 0.023 0.059 0.024 11:58:13 No

Element: Pb Seq. No.: 252 AS Loc.: 17 Date: 10/05/2001 Sample ID: 23293 pL dispensed: 10 from 36, 5 from 37, 20 from 17

Repl San^leConc StndConc BlnlcCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 -0.2679 -0.2679 0.001 0.005 0.009 0.039 0.018 12:00:54 No

Element: Pb Seq. No.: 253 AS Loc.: 17 Date: 10/05/2001 Sample ID: 23293 pL dispensed: 5 from 37, 10 from 38, 20 from 17

Repl SampleConc StndConc BlnlcCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 1.962 1.962 0.018 0.021 0.026 0.038 0.015 12:03:37 No Recovery is 19.6% (outside of specified limits)

Element: Pb Seq. No.: 254 AS Loc.: 17 Date: 10/05/2001 Sample ID: 23293 pL dispensed: 25 from 36, 5 from 37, 5 from 17

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 -1.524 -0.3810 0.000 0.004 0.008 0.022 0.011 12:06:17 No

Element: Pb Seq. No.: 255 AS Loc.: 17 Date: 10/05/2001 Sample ID: 23293 pL dispensed: 15 from 36, 5 from 37, 10 from 38, 5 from 17

Repl SampleConc StndConc BlnlcCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 16.08 4.020 0.033 0.037 0.056 0.019 0.022 12:09:04 No Recovery is 40.2% (outside of specified limits)

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