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Arsenic in potable water lab report sample list, Sept 2001

Machine-extracted title · confidence 90%

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

NYC-WTC_000064592–000064609

Folder label: “As

Page image
Scanned page image, NYC-WTC_000064594
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

•Element: As AS Loc.: 38 Date: 09/18/2001 Sample ID: S40 /iL dispensed: 10 from 36, 5 from 37, 20 from 38

Repl SaiqpleConc StndConc BlnkCorr Peak Bkgnd Time Peak # /ig/L /xg/L Signal Area Area Stored 1 0.176 0.176 0.041 12:26:31 No standard number 4 applied. [40] Correlation Coefficient: 0.9976 Slope: 0.0043

As ojso-r

0.15“

8 ■ g 0.1«~

I- 0.05-

0 r I J r n 0 10 20 30 40 50

Concentration

Calibration data for As Entered Calculated Mean Signal Concentration Concentration Standard Standard ID (Pk Area) (M3/L) (gg/L) Deviation %RSD Calib Blank 0.000 0.034 SIO 0.042 10 9.798 S20 0.091 20 21.10 S30 0.122 30 28.28 S40 40 40.79 Correlation Coefficient:10.99759 ) Slope: 0.00433 Intercept: 0.000

The calibration curve has been fed.

SaSSSS&SCSBSSS88SSSSSBBBB8SaaS8SB = : :BBa88BBBBBBBBB8BBBSBBBBBBBBBBBBBBSBBSBSSBBBB88&SBBSBBS8SSBBBBB:

Element: As AS hoc.: 38 Date: 09/18/2001 San^le ID: S30 gL dispensed: 15 from 36, 5 from 37, 15 from 38

Repl SampleConc StndConc BlnkCorr Peak Bkgnd Time Peak # /ig/L /ig/L Signal Area Area Stored 1 0.129 0.129 0.045 13:19:39' No Standard number 3 applied. [30] Correlation Coefficient: 0.9994 Slope: 0.0044

*

Page 19

NYC-WTC_000064594

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NYC-WTC_000064594Source: NYC Law Department, mirrored locally

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