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Lead in potable water lab report sample list, Sept 2001

Machine-extracted title · confidence 95%

Laboratory report listing sample IDs and quality control checks for lead analysis in potable water.

NYC-WTC_000064457–000064465

Folder label: “Pb

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OCR text

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NYC 9/11 Public Portal Document

Element: Pb Seq. No.: 217 AS Loc.: 38 Date: 09/28/2001 Sample ID: S4 pL dispensed: 24 from 36, 5 from 37, 12 from 38 pL dispensed: 24 from 36, 5 from 37, 12 from 38

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 / - 0.068 0.083 0.111 0.022 0.030 18:06:17 No Standard number 3 applied • ([4h Correlation Coefficient: 0.99'96 Slope: 0.0171 V Element: Pb Seq. No.: 218 AS Loc.: 38 Date: 09/28/2001 Sample ID: S8 pL dispensed: 12 from 36, 5 from 37, 24 from 38 pL dispensed: 12 from 36, 5 from 37, 24 from 38 — -fxgf* •:------------ -------- - - Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L , Signal Area Height Area Height Stored 1 ' 0.144 0,159 0.177 0.043 0.053 18:10:39 No Standard number 4 applied. ![8l| Correlation Coefficient: 01.^96 Slope: 0.0180

Pb 0.15-r

0.10-

O-T T T T T 0 2 4 6 8 10

Concentration

Calibration data for Pb Entered Calculated Mean Signal Concentration Concentration Standard Standard ID (Pk Area) (pg/L) (pg/L) Deviation %RSD Calib Blank 0.000 0.0359 SI 0.018 1 1.011 S2 0.036 2 2.041 S4 0.068 4 3.847 S8 0.14-4=-^ 8 8.065 Correlation Coefficient: Cf.9996: Slope: 0.01797 Intercept: -0.001

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NYC-WTC_000064459

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NYC-WTC_000064459Source: NYC Law Department, mirrored locally

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