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VOC analysis results, sample AE09569, April 26, 2002

Machine-extracted title · confidence 90%

Laboratory report for volatile organic compounds in sample AE09569 dated April 26, 2002.

NYC-WTC_000082355–000082457

Folder label: “524 4/26/02

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NYC 9/11 Public Portal Document Liorary searen compound Report

Data File C:\MSDCHEM\l\5973N\02APR26\0426Bl.D Vial: 1 Acq On 26 Apr 2002 8:58 am Operator: Sample lb Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\MSDCHEM\1...\W042302.M (RTE Integrator) Title : VOC method 8260 Library- : C:\DATABASE\WILEY7N. L ********************************************************************* Peak Number 2 Furan, tetrahydro- (CAS) $$... Concentration Rank 2 R.T. EstConc Area Relative to ISTD R.T. 15.51 0.26 ug/L 116706 1,4-Difluorobenzene 17.70 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Furan, tetrahydro- (CAS) $$ Tetr... 72 C4H8O 000109-99-9 90 2 Furan, tetrahydro- (CAS) $$ Tetr... 72 C4H8O 000109-99-9 90 3 Furan, tetrahydro- (CAS) $$ Tetr... 72 C4H8O 000109-99-9 90 4 Furan, tetrahydro- $$ Butane .al... 72 C4H8O 000109-99-9 90 Abundance Scan 1183 (15.514 min): 0426B1 .D (-) m/z 42.10 100.00% 42

5000 72

15.20 15.40 15.60 15.80 45 50 69 78 0- ' I'''' 1''' ‘ I'''' I'''' I'''' I''' ‘ I' H ' ' '“ri ' < . . I . I . . I I I 1 I I , 1 ■ 1 J ' I'''' I'''' I'' m/z 41710 51.18% ■n/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 Abundance #1712: Furan, tetrahydro- (CAS) $$ Tetrahydrofuran $$ THF ... 42

5000 J,'.y,,-,,..... 15.20 15 40 15.60 15.80 72 m/z 71710 37.37% 0- ' I'''' I'''' I'''' I'''' I'''' I' ' I' ‘' I'''' I'''' I' ' I'''' I'''' I'' Tl/Z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 Abundance #1710: Furan, tetrahydro- (CAS) $$ Tetrahydrofuran $$ THF ... 42

15.20 15.40 15.60 15.80 5000 m/z 71.10 35.52% 71 26 39 Ob ' I ' ' ' ' I ' ' ' ' I ' ‘ ‘ ' I ' ‘ ' I ' 1111' " I ’ ’'' I ’' ” I'' " I'''' I'''' I'''' I'''' I' nn/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 Abundance #1711: Furan, tetrahydro- CAS) $$ Tetrahydrofuran $$ THF ... 42 15.20 15.40 15.60 15.80 m/z 43.10 23.21%

5000 72

27 15 45 0- H‘' I'''' I'''' I'''' I' ‘' I I' I'''' I'''' I' 'I "'"I' ■n/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 15.20 15.40 15.60 15.80

0426B1.D W042302.M Tue Apr 30 11:46:42 2002 Page 4

NYC-WTC_000082359

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NYC-WTC_000082359Source: NYC Law Department, mirrored locally

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