NYC 9/11 Public Portal Document
Element: Pb Seq. No.: 6 AS Loc.: 1 Date: 10/15/2001
Sample ID: QCS
pL dispensed: 10 from 36, 5 from 37, 20 from 1
Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak
# pg/L pg/L Signal Area Height Area Height Stored
1 4.879 4.879 0.034 0.039 0.065 0.013 0.019 12:39:42 No
QC value within specified limits.
Element: Pb Seq. No.: 7 AS Loc.: 5 Date: 10/15/2001
Sample ID: DIG BLANK
pL dispensed: 10 from 36, 5 from 37, 20 from 5
Repl Saii^jleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak
# pg/L pg/L Signal Area Height Area Height Stored
1 -0.3198 -0.3198 0.001 0.006 0.012 0.004 0.005 12:42:15 No
Element: Pb Seq. No.: 8 AS Loc.: 6 Date: 10/15/2001
Sait?>le ID: 23406
pL dispensed: 10 from 36, 5 from 37, 20 from 6
Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak
# pg/L pg/L Signal Area Height Area Height Stored
1 0.0996 0.0996 0.004 0.009 0.011 0.019 0.011 12:44:52 No
Element: Pb Seq. No.: 9 AS Loc.: 6 Date: 10/15/2001
San^jle ID: 23406
pL dispensed: 5 from 37, 10 from 38, 20 from 6
Repl San^leConc StndConc BlnkCorr Peak Peale Bkgnd Bkgnd Time Peak
# pg/L pg/L Signal Area Height Area Height Stored
1 4.271 4.271 0.030 0.035 0.033 0.027 0.012 12:47:27 No
Recovery is 41.7% {outside of specified limits)
Element: Pb Seq. No.: 10 AS Loc.: 6 Date: 10/15/2001
Sample ID: 23406
pL dispensed: 25 from 36, 5 from 37, 5 from 6
Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak
# pg/L pg/L Signal Area Height Area Height Stored
1 -1.938 -0.4846 0.000 0.005 0.007 0.004 0.005 12:50:03 No
Element: Pb Seq. No.: 11 AS Loc.: 6 Date: 10/15/2001
San^jle ID: 23406
pL dispensed: 15 from 36, 5 from 37, 10 from 38, 5 from 6
Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd ‘-Time Peak
# pg/L pg/L Signal Area Height Area Height Stored
1 23.54 5.886 0.040 0.045 0.042 0.015 0.014 12:52:48 No
Recovery is 58.9% (outside of specified limits)
Page 5
NYC-WTC_000064548
OCR can misread numbers and units. Confirm readings against the page image before using them.