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Potable water asbestos lab report sample list, Oct 2

Machine-extracted title · confidence 90%

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

NYC-WTC_000064694–000064712

Folder label: “As

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Scanned page image, NYC-WTC_000064704
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

•Element: As AS Loc.: 38 Date: 10/02/2001 San^le ID: S40 gli dispensed: 5 from 37, 20 from 38, 20 from 26

Repl SampleConc StndConc BlnkCorr Peak Bkgnd Time Peak # p.g/-L ng/'L Signal Area Area Stored 1 0.088 0.092 0.089 11:28:26: No The calibration curve may not be linear. Addition number 4 applied. [40] Correlation Coefficient: 0.9349 Slope: 0.0018

As 0.10 T a 0.08-

n 8 0.06- g □ I 0.04-

0.1 E3 I I t — -20 0 20 40 60

Concentration

Calibration data for As Entered Calculated Mean Signal Concentration Concentration Standard standard ID (Pk Area) Deviation %RSD Calib Blank 0.000 -6.142 SIO 0.054 10 24.47 S20 0.064 20 30.21 S40 0.088 40 43.69 Correlation Coefficient: 0.93490 Slope: 0.00177 Intercept: 0.023 [As] Sample Concentration 13.24 /zg/L [As] Sample Concentration 264.7 iig/Tj

Page 11 NYC-WTC_000064704

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NYC-WTC_000064704Source: NYC Law Department, mirrored locally

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