NYC-WTC_000064694
Laboratory report listing sample IDs and quality control checks for potable water asbestos analysis.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗Document / 29 pages
Arsenic in potable water lab report sample list, Sept 2001
Machine-extracted title · confidence 95%Laboratory report listing sample IDs and quality control checks for arsenic analysis in potable water.
NYC-WTC_000064610–000064638Folder label: “As”
Page image
OCR text
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
sesBSi
Element: As AS Loc.: 38 Date: 09/20/2001 San^Jle ID: S40 gL dispensed: 5 from 37, 20 from 38, 20 from 40
Repl SampleConc StndConc BlnkCorr Peak Bkgnd Time Peak # fig/1, lig/'L Signal Area Area Stored 1 0.159 0.155 0.072 16 :17 :12 No The calibration curve may not be linear. Addition number 4 applied. [40] Correlation Coefficient; 0.9990 Slope: 0.0038
As 0.20 “T
I
0.15 -
s g ■e 0.10- o
0.05“
I I I r “1 -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) (gg/L) Deviation %RSD Calib Blank 0.000 -1.622 SIO 0.049 10 11.24 S20 0.088 20 21.35 S30 0.125 30 31.21 S40 0.159 40 40.01 Correlation Coefficient; 0.99904 Slope: 0.00381 Intercept: 0.009
[As] Sample Concentration 2.385 pig/L
Page 31
NYC-WTC_000064638
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NYC-WTC_000064638Source: NYC Law Department, mirrored locally
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