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\1\5973N\02APR29\9. 96F.D Vial: 11 Acq On : 29 Apr 2002 10:32 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 2 Benzene, 1,3-difluoro- (CAS... Concentration Rank 2 R.T. EstConc- Area Relative to ISTD R.T. 18.48 0.06 ug/L 27085 1,4-Difluorobenzene 17.71 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Benzene, 1,3-difluoro- (CAS) $$ ... 114 C6H4F2 000372-18-9 81 2 Benzene, 1,2-difluoro- 114 C6H4F2 000367-11-3 80 3 Benzene, 1,4-difluoro- 114 C6H4F2 000540-36-3 80 4 Benzene, 1,4-difluoro- (CAS) $$ ... 114 C6H4F2 000540-36-3 80 Abundance Scan 1483 (18.475 min): 9396F.D (-) m/z 114.00 100.00% 1 4

5000

63 88 34-4- T-r-p-r 44 50 57 95 18.20 18.40 18.60 18.80

niz-> 01nppmp m tmthm 68 75 81 ##—........ .■■■■I.l, 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110115120 m/z 88.00 18.72% Abundance #14691: Benzene, 1,3-difluoro- (CAS) $$ 1,3-Difluorobenzen... 1 4

5000 T T 18.20 18.40 18.60 18.80 _ 63 m/z 63.10 15.67% 50 57 , 70 75 81 0. TIWTmTTTTTTTTTTTTTIT MMmmttt miz-> 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110115120 Abundance #14687: Benzene, 1,2-difluoro- 1 4 A VT-j-n- ‘ I ■ ■ ' ' i 1 ' 18.20 18.40 18.60 18.80 5000 m/z57.10 8.46%

63 88 37 50 57 75 94 01TIIWIGp Hmm > j i ■ > > | ■ 1111 ■ > ■ 11 ■ 11 > j > ■ । > । ■ r i ■ । >, I niz-> 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110115120 Abundance #14694: Benzene, 1,4-difluoro- • > j • ■ > > । ’ I’’ ■ i ' ■ 1 4 18.20 18.40 18.60 18.80 m/z95.00 6.98%

5000

63 88 57 50 75 81 I 94 0 mmmmm 1'11' TTHm ।. 11 > > > > । f > ■ । P11 ■ P11 l-|'i 111 p > 11 p 111 p ■ I “•• i“■ ■ miz-> 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110115120 18.20 18.40 18.60 18.80

9396F.D W042302.M Tue Apr 30 09:46:55 2002 Page 4

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