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Volatile organic compounds analysis results, April 29, 2002

Machine-extracted title · confidence 95%

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,0 2 APR2 9\0429Bl.D Vial: 1 Acq On : 29 Apr 2002 8:55 am Operator: Sample : 1b 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 5 Benzene, (1-methylethenyl)-... Concentration Rank 4 R.T. EstConc Area Relative to ISTD R.T. 33.73 0.12 ug/L 64929 1,4-Dichlorobenzene-d4 31.55 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Benzene, (1-methylethenyl)- (CAS... 118 C9H10 000098-83-9 60 2 Benzenemethanol, .alpha.,.alpha.... 136 C9H120 000617-94-7 58 3 Benzene, (1-methylethenyl)- (CAS... 118 C9H10 000098-83-9 55 4 .alpha.-Methylstyrene 118 C9H10 000098-83-9 53 Abundance Scan 3029 (33.734 min): 0429B1 .D (-) m/z 43.10 100.00% 43 77 105 121

5000

58 91 A-4 33.40 33.60 33.80 34.00

n/z-> 0- ulyall ML.Wi..u..... ...... ...... .... X.. 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 m/z 77.00 77.28% Abundance #18063: Benzene, (1-methyletheny))- (CAS) $$ 2-Phenylprope... 1* 8

103 5000 AM * • 1 * Waui YAM 78 33.40 33.60 33.80 34.00 51 91 m/z 105.10 71.77% I | । ।, . ■ I I I ' ■ | " III 0- 1111 > ■■■ ■ i-> ■ ■ 111 > ■ ■ । । i-i । ■ 11 ■■(•i । | | | | I ■. I I | I I I I | I I I I | U I I | I I I W miz-> 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 Abundance #31635: Benzenemethanol, .alpha.,.alpha.-dimethyl- 43 121 M 33.40 33.60 33.80 34.00 5000 m/z 121.00 69.81% 51 77 91 103 0- . ll 59 ...|....|...i|....|.. Tp mmmmmmmmmmmmmmmp 136 miz-> 40 50 60 70 80 SO 100 110 120 130 140 150 160 170 180 190 200 210 Abundance #18065: Benzene, (1 -methylethenyl)- (CAS) $$ 2-Phenylprope... 1* 8 TTuur 33.40 33.60 33.80 34.00 AjAi m/z 117.00 60.07% 103 5000 78 51 63 89 —— , , 0- rn ।.. n 11 . J । lli 11 ii I — 'i" “i" “ i •"11 ■■ ■ ■ i1' “ 111" 111111"" I"1 m/z-> 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 33.40 33.60 33.80 34.00

0429B1.D W042302.M Tue Apr 30 11:48:25 2002 Page 7

NYC-WTC_000021862

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