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VOC analysis results, sample AE10240, May 3, 2002

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Laboratory report for volatile organic compounds in sample AE10240 dated May 3, 2002.

NYC-WTC_000082778–000082898

Folder label: “524 5/3/02 - 5/4/02

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NYC 9/11 Public Portal Document Liorary search Compound Report

Data File C:\MSDCHEM\l\5973N\02MAY03\10246.D Vial: 19 Acq On 4 May 2002 12:08 am Operator: Sample nyc Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: LSC.P Quant Method : C:\MSDCHEM\1...\W050302 .M (RTE Integrator) Title : VOC method 8260 Library : C:\DATABASE\WILEY7N.L ********************************************************************* Peak Number 2 Benzene, 1,4-difluoro- (CAS... Concentration Rank 3

R.T. EstConc Area Relative to ISTD R.T.

18.47 0.06 ug/L 30291 1,4-Difluorobenzene 17.70 Hit# of 5 Tentative ID MW MolForm CAS# Qual ---- 4_- — 1 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 91 4 Benzene, 1,2-difluoro- 114 C6H4F2 000367-11-3 91 Abundance Scan 1483 (18.475 min): 10246.D (-) m/z 114.00 100.00% 1 4

5000

88 " ................. .. ................................. .50 57 68 75 18.20 18.40 18.60 18.80

■n/z-> 0 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105 110115120 Ut XX 95 “m/z 67700 15.53% Abundance #14696: Benzene, 1,4-difluoro- (CAS) $$ 1,4-Difluorobenzen... 1 4

5000 .............. 18.20 18.40 18.60 18.80 m/z 88.00 14.02% 88 50 57 68 75 81 I 95 0 -+++ . ..... ..... I..... I' ■nfe-> 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105110115 120 Abundance #14697; Benzene, 1,4-difluoro- (CAS) $$ 1,4-Difluorobenzen... 1 4

18.20 18.40 18.60 18.80 5000 m/z 57700 10.61%

. 50 57 70 75 88

mA 0 I I I H " I " I 1 I " " I " " I " 1 . I 1 I " I I . I I I . I I I l” 1 I I 1. 1 I I I I " I I " 1 1 I " " I I " 1 1 " 1 . I " 1. I " I . nZz-> Abundance 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105110115 120 #14689: Benzene, 1,3-difluoro- 1 4 18.20 18.40 18.60 18.80 I ' ' I

m/z50.00 9.80% 5000

63 88 37 50 57 68 75 94 0 "I.....Ai,|iili ........ ... . ........ .. T-pr-T-T—I-Y- ■n/z-> 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105110115 120 18.20 18.40 18.60 18.80

L0246.D W050302.M Mon May 06 10:32:20 2002 Page 4

NYC-WTC_000082861

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NYC-WTC_000082861Source: NYC Law Department, mirrored locally

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