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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_000064639–000064652

Folder label: “As

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Scanned page image, NYC-WTC_000064641
OCR text

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NYC 9/11 Public Portal Document

Element: As AS Loc.: 38 Date: 09/24/2001 Sanple'ID: S40 fjLh dispensed: 10 from 36, 5 from 37, 20 from 38

Repl SampleConc StndConc BlnkCorr Peak Bkgnd Time Peak # /zg/L /xg/L Sign^ Area Area Stored 1 0.^3 0.194 0.057 13:25:12; No Standard number 4 applied. [40] sj Correlation Coefficient: 0.9997 Slope: 0.0048

As 020-r

0.15“

8c io 0.10 ~

0.05“

I r “I -10 0 10 20 30 40 50

Concentration

Calibration data for As Entered Calculated Mean Signal Concentration Concentration Standard standard ID (Pk Area) (/ig/L) Deviation %RSD Calib Blank 0.000 -0.336

7 SIO 0.050 10 10.04 S20 0.101 20 20.55 S30 0.148 30 30.14 S40 40 39.61 Correlation Coefficient: B.99971 Slope: 0.00484 Intercept: 0.002

Element: As AS Loc.: 1 Date: 09/24/2001 Sample ID: qcs Uli dispensed: 10 from 36, 5 from 37, 20 from 1

Repl SanpleConc StndConc BlnkCorr Peak Bkgnd Time Peak # i Mg/L Signal Area Area Stored 1 I 8.977—1__ ^8.977 0.045 0.046 0.036 13:27:55 No QC out of’'\limitB.'QC will be repeated based on Retry setting.

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NYC-WTC_000064641

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NYC-WTC_000064641Source: NYC Law Department, mirrored locally

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