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GCMS analysis results for sample AD24981, Nov 2001

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Laboratory report documenting GCMS analysis of sample AD24981 conducted on November 19, 2001, identifying unknown compounds.

NYC-WTC_000069193–000069203

Folder label: “GCMS Scan X 10/19/01 An 11/8/01

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\HPCHEM\1\DATA\NOV0801\24981.D Vial: 10 Acq On : 8 Nov 2001 11:24 pm Operator: 209 GALOS Sample : gc/ms unknown Inst : GC/MS 209 Mise : Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\HPCHEM\1\METHODS\NP103001.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 1 2-Pentanone, 4-hydroxy-4-methy Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 7.69 2.05 ug/1 456853 1,4-Dichlorobenzene-d4 11.71 Hit# of 5 TeijZative ID MW MolFoism CAS# Qual

1 2-Pentanone,/4-hydroxy- 4-methyl- 116 C6H12O2 000123-42-2 50 2 Acetic aci^ 1,1-dimethy1ethyl este 116 C6H12O2 000540-88-5 33 3 Acetone / 58 C3H6O 000067-64-1 10 4 5-Hexen-^one 98 C6H10O 000109-49-9 9 Abundance Scan 288 (7.686 min): 24981 .D (-) m/z 42.95 100.00% 4|3

59 5000

101 ........ ............ I ....... 83.... I... 7.40 7.60 7.80 8.00 m/z 59.05 54.90% mfe-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #64275:2-Pentanone, 4-hydroxy-4-methyl- 4)3

59 7.40 7.60 7.80 8.00 m/z 100.95 24.20% 15 31 101 I , I ■50^ ...... ”,..... I... mA-> 10 20 30 40 60 70 80 90 100 110 Abundance #3292: Acetic acid, 1,1-dimethylethyl ester 4b 7.40 7.60 7.80 8.00 5000 57 m/z 5^705 18787% 101 15 27____ ' ' I ' ' ' ' 1 I I ' ' I ' '' I I I ' Tl/Z~> 10 20 30 40 50 60 70 80 90 100 110 Njundance #62326: Acetone 43 7.40 7.60 7.80 8.00 m/z 41.00 8.36% 5000 58

■nfe-> 10 20 30 40 '5'0 ' 60 70 80 90 100 110 7.40 7.60 7.80 8.00

24981.D NP103001.M Mon Nov 19 12:13:16 2001 Page 1

NYC-WTC_000069201

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NYC-WTC_000069201Source: NYC Law Department, mirrored locally

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