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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_000064466–000064481

Folder label: “Pb

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Scanned page image, NYC-WTC_000064468
OCR text

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NYC 9/11 Public Portal Document

• Element: Pb Seq. No.: 5 AS Loc.: 38 Date: 10/01/2001 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 Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 0.108 0.123 0.216 0.041 0.069 08:29:43 No The calibration curve may not be linear. Standard number 4 applied. [8] Correlation Coefficient: 0.9973 Slope: 0.0132

Pb 0.15 “T

0.10-

o 0.06-

I T T T T n -2 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 -0.3117 SI 0.019 1 1.115 S2 0.032 2 2.116 S4 0.060 4 4.248 S8 8 7.833 Correlation Coefficient/: 0.99735 Slope: 0.01324 Intercept: 0.004

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NYC-WTC_000064468

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NYC-WTC_000064468Source: NYC Law Department, mirrored locally

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