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GCMS analysis results, sample AD27547, December 2001

Machine-extracted title · confidence 85%

Gas chromatography-mass spectrometry analysis of environmental sample AD27547 performed on 12/18/01, detecting unknown compounds with 2,4-DDD surrogate standard at 5.0 ug MDL.

NYC-WTC_000033458–000033473

Folder label: “GCMS X 11/15/01 A 12/13/01

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NYC 9/11 Public Portal Document

Tentatively Identified Compound (LSC) summary

Operator ID: GALOS Date Acquired: 13 Dec 2001 2:56 pm Data File: C:\HPCHEM\1\DATA\DEC1301\27547.D Name: gems unknown 11/15 Mise: Method: C:\HPCHEM\1\METHODS\NP112701.M (RTE Integrator) Title: 208 625/TCLP calibration table Library Searched: C:\DATABASE\NBS75K.L

TIC Top Hit name RT EstConc Units Area IntStd ISRT ISArea ISConc

1-Butanol 5.19 0.5 ng/uL 170558 ISTD01 11.87 7489180 20.0 2 - Hexanone 6.56 0.5 ng/uL 170303 ISTD01 11.87 7489180 20.0 2 -Hexanol 6.81 0.4 ng/uL 153054 ISTD01 11.87 7489180 20.0 2 - Pentanone , 4 - hydro 7.83 2.4 ng/uL 895130 ISTDOl 11.87 7489180 2 0.0 3-Hexanol 10.29 0.7 ng/uL 273188 ISTDOl 11.87 7489180 20.0 2-Hexanol 10.50 0.8 ng/uL 308078 ISTDOl 11.87 7489180 20.0 2-Pentene, 2,4-dimet 10.83 0.6 ng/uL 210340 ISTDOl 11.87 7489180 20.0

27547 .D NP112701.M Fri Dec 14 12:55:33 2001

NYC-WTC_000033473

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NYC-WTC_000033473Source: NYC Law Department, mirrored locally

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