Volatile organic compounds analysis results, April 29, 2002

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Laboratory report detailing analytical results for volatile organic compounds in sample AE09681 collected on April 29, 2002.

NYC-WTC_000021854–000021967

Folder label: “524 4/29/02”

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\MSDCHEM\l\5973N\02APR29\9393F.D Vial: 10 Acq On : 29 Apr 2002 9:45 pm Operator: Sample : nyc; fb 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 3 Benzene, 1,4-difluoro- (CAS... Concentration Rank 2 R.T. EstConc Area Relative to ISTD R.T.

18.47 0.06 ug/L 26849 1,4-Difluorobenzene 17.70

Hit# Of 5 Tentative ID MW MolForm CAS# Qual

l Benzene, 1,4-difluoro- (CAS) $$ ... 114 C6H4F2 000540-36-3 91 2 Benzene, 1,4-difluoro- (CAS) $$ ... 114 C6H4F2 000540-36-3 91 3 Benzene, 1,3-difluoro- 114 C6H4F2 000372-18-9 87 4 Benzene, 1,3-difluoro- $$ Benzen... 114 C6H4F2 000372-18-9 87 Abundance Scan 1482 (18.465 min): 9393F.D (-) m/z 113.95 100.00% 1* 4

5000 63 ................... 57 88 . 68 74 81 94 ' 18.20 18.40 18.60 18.80 niz—> 01 MMHH "II" lt 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110115120 11... 11... I p I > 1111 ■ 11111 m/z 63.00 25.39% Abundance #14696: Benzene, 1,4-difluoro- (CAS) $$ 1,4-Difluorobenzen... 114

5000 A T-T-p-r-n-p-r 1T............ l **‘I‘4 18.20 18.40 18.60 18.80 m/z 88.00 15.47% 63 88 50 57 68 75 81 | 95 miz-> 0- 1111i111i11i1i1111i1ii1ii1i1i11i1 ■ 1111ii1111111111i1111111 rrl 111111 [ 11., 11ii11i1.11111

30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110115120 fmm Abundance #14697: Benzene, 1,4-difluoro- (CAS) $$ 1,4-Difluorobenzen... 114 ’ |> I । ■ | 1 I 18.20 18.40 18.60 18.80 5000 m/z 56.90 15.43%

— 63 88 50 87 । 7o 75 81 95 01 npmMTTTTHT ttmmnp Up mz-> Abundance 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110115120 #14689: Benzene, 1,3-difluoro- 1 4 .A.... 18.20 18.40 18.60 18.80 m/z 115.10 10.30%

5000

63 RR 37 50 57 57 68 75 | 94 , ।।. I ।1p|. I11111111111 rn | H p >111■111111.111111111111111111111J i u11111. । 0 h -r-pp-r-n-f- TT-p-r-n-p-r iz—> 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110115120 18.20 18.40 18.60 18.80

9393F.D W042302.M Tue Apr 30 09:46:53 2002 Page 5

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