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Antimony lab results, DEP Box 59, Sep 2001

Machine-extracted title · confidence 100%

Laboratory report listing sample IDs and analysis dates for antimony testing conducted in late September 2001.

NYC-WTC_000064828–000064840

Folder label: “Sb

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Scanned page image, NYC-WTC_000064831
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

Element; Sb Seg. No.: 106 AS Loc.: 38 Date: 09/28/2001 Sample ID: S20 /ill dispensed: 10 from 36, 5 from 37, 20 from 38

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # gg/L fig/'b Signal Area Height Area Height Stored 1 0.070 0.068 0.055 -0.026 0.010 12:13:59 No The calibration curve may not be linear. Standard number 4 applied. [20] Correlation Coefficient: 0.9918 Slope: 0.0035

Sb 0.08 1

0.06“

s c 0.04-

I 0.02 -

r I n -10 0 10 20 30

Concentration

Calibration data for Sb Entered Calculated Mean Signal Concentration Concentration Standard standard ID (Pk Area) (gg/L) (gg/L) Deviation %RSD Calib Blank 0.000 -0.9429 S5 0.022 5 5.208 SIO 0.043 10 11.31 S15 0.058 15 15.52 S20 O/OTTir^ 20 18.90 Correlation Coefficient: /0.99182 ope: 0.00354 Intercept: 0.003

The calibration curve has been edited.

Page 47

NYC-WTC_000064831

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NYC-WTC_000064831Source: NYC Law Department, mirrored locally

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