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”
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OCR text
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
• Eletnent: As AS Loc.: 38 Date: 09/20/2001 Sanple ID: S40 fill dispensed: 5 from 37, 20 from 38, 20 from 35
Repl SanipleConc StndConc BlnkCorr Peak Bkgnd Time Peak # Mg/L A'g/I' signal Area Area Stored 1 0.105 0.103 0.079 14:52:23 No The calibration curve may not be linear. Addition number 4 applied. [40] Correlation Coefficient: 0.9923 Slope: 0.0025
As 0.15 “T
0.10 - 8 g € S 5 0.05 -
F T I I “I -10 0 10 20 30 40 50
Concentration
Calibration data for As Entered Calculated Mean Signal Concentration Concentration Standard Standard ID (Pk Area) (gg/Ii) (MS/I') Deviation %RSD Calib Blank 0.000 -0.382 SIO 0.030 10 11.90 S20 0.049 20 19.52 S30 0.068 30 27.39 S40 0.105 40 42.25 Correlation Coefficient: 0.99234 Slope: 0.00246 Intercept: 0.001
[As] Sample Concentration 0.594 lig/lt
Page 23
NYC-WTC_000064630
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NYC-WTC_000064630Source: NYC Law Department, mirrored locally
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Laboratory report listing sample IDs and QC data for arsenic analysis of World Trade Center environmental samples dated November 12, 2001.
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NYC-WTC_000084198
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Laboratory report listing sample IDs and quality control checks for arsenic analysis in potable water.
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NYC-WTC_000064639
Laboratory report listing sample IDs and quality control checks for arsenic analysis in potable water.
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