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\5 973N\02APR2 9\9565D.D Vial: 8 Acq On : 29 Apr 2002 11:19 pm Operator: Sample : nyc; dup . 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, 1,4-difluoro- Concentration Rank 3 R.T. EstConc Area Relative to ISTD R.T. 18.47 0.05 ug/L 24979 1,4-Difluorobenzene 17.70 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Benzene, 1,4-difluoro- 114 C6H4F2 000540-36-3 91 2 Benzene, 1,4-difluoro- (CAS) $$ ... 114 C6H4F2 000540-36-3 91 3 Benzene, 1,2-difluoro- $$ Benzen... 114 C6H4F2 000367-11-3 91 4 Benzene, 1,2-difluoro 114 C6H4F2 000367-11-3 91 Abundance Scan 1483 (18.475 min): 9565D.D (-) m/z 114.00 100.00% 1- 4

5000

63 88 44 50 57 . 68 75 9481 18.20 18.40 18.60 18.80

m/z—> 0 i ■" ■ i" •11"' —mmm H .ll . । ... 11.......Ii।ili11( 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 'l1'" m/z 62.90 20.79% Abundance #14693: Benzene, 1,4-difluoro- 1 4

5000 1 1 1 ■ • i • ‘ ■ i ■ • 18.20 18.40 18.60 18.80 63 88 m/z 87.90 19.48% 50 57 75 81 94 0 mmhnpmmmp - iz—> 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 Abundance #14696: Benzene, 1,4-difluoro- (CAS) $$ 1,4-Difluorobenzen... 1 4 -r-r-j-r-r-r-r-p-r ■ | • • • > | • 18.20 18.40 18.60 18.80 5000 m/z 57.10 8.14%

— 63 88 — 50 57 168 75 81 I 95 0 mmmHH ' l‘ '111"1 '1111' I"111' “11111 ' i" ■ /z—> 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 Abundance #14688: Benzene, 1,2-difluoro- $$ Benzene, o-difluoro- $$ ... 1 4 18.20 18.40 18.60 18.80 m/z 114.80 7.55% 5000 63 88 49 68 75 81 94 0 TTTIdgur I 1 11H11 1111 111 > I| 1 I I 1 | I 1 । > | ! ' ' 111' 11" " I “ ri । *1111 * 11 ■■ i “ miz—> 35 40 45 50 55 60 65 70 75 80 85 90 95 100105 110 115 120 18.20 18.40 18.60 18.80

9565D.D W042302.M Tue Apr 30 09:46:57 2002 Page 4

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