NYC-WTC_000064436
Laboratory report listing sample IDs and quality control checks for lead analysis in potable water.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗Document / 18 pages
Lead in potable water lab report sample list, Sept 2001
Machine-extracted title · confidence 90%Laboratory report listing sample IDs and quality control checks for lead analysis in potable water.
NYC-WTC_000064418–000064435Folder label: “Pb”
Page image
OCR text
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document = = = = = = =: = =: = = = = ;=:=: = = = = = = = = =; = = = = = = = = = = = = s = =: = = = = = = = =3 = = =: = = : :== Element: Pb ySeq. No.: 5 AS hoc.: 38 Date: 09/18/2001 Sample ID: S8 gL dispensed: 12 from 36, 5 from 37, 24 from 38 /zL dispensed: 12 from 36, 5 from 37, 24 from 3 8
Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # /zg/L Mg/b Signal Area Height Area Height Stored 1 0.138 0.153 0.222 0.048 0.068 09:09:00 No The calibration curve may not be linear. Standard number 4 applied. [8] Correlation Coefficient: Slope: 0.0171
Pb 0.15 -r
0.10“
s ■B o 0.05- <
r ' I I ' I ' T T 1 -2 0 2 4 6 8 10 Concentration
Calibration data for Pb Entered Calculated Mean Signal Concentration Concentration Standard Standard ID (Pk Area) (gg/b) (/ig/L) Deviation %RSD Calib Blank 0.000 -0.0924 SI 0.020 1 1.070 S2 0.036 2 2.017 S4 0.071 4 4.037 S8 0.138 8 7.969 Correlation Coefficient: 0.99980 Slope: 0.01708 Intercept: 0.002
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NYC-WTC_000064421
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NYC-WTC_000064421Source: NYC Law Department, mirrored locally
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