GCMS analysis report, sample AE07520, April 2002

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Laboratory results for volatile organic compounds in a GCMS blank sample analyzed on April 2-3, 2002.

NYC-WTC_000047159–000047176

Folder label: “GCMS X 4/2/02 A 4/3/02”

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File C:\MSDCHEM\l\DATA\020403\0402LB.D Vial: 10 Acq On 3 Apr 2002 5:21 pm Operator: Nefliu Sample 04/02 lab blk Inst Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e

Quant Method : C: \MSDCHEM\1\METHODS\SCAN020403 .M (Chemstation Integrator) Title : Method 508 GC/MS Scan Library : C:\DATABASE\nist98.1 ********************************************************************* Peak Number 8 1,4-Benzenedicarboxaldehyde... Concentration Rank 5 R.T. EstConc Area Relative to ISTD R.T. 41.66 0.38 ug/1 278786 Perylene-dl2 42.30 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 1,4-Benzenedicarboxaldehyde, 2-m... 148 C9H802 027587-17-3 5 2 Benzaldehyde, 2,4,6-trimethyl- 148 C1OH120 000487-68-3 5 3 3,7-Diamino-5H-dibenzo[a,d]cyclo... 222 C15H14N2 1000227-39-5 5 4 2H-Benzimidazol-2-one, 1,3-dihyd... 148 C8H8N2O 005400-75-9 5 Abundance Scan 6566 (41.658 min): 0402LB.D (-6562) (-) m/z 222.10 100.00% 147 22!2 N.

5000 — 73 355 1 ' i ■ ■

n/z-> 0 40 — X I'1111111' 111111 281 I'1 ’1111" I H H 11' H l'11 i ■ ■1 ■ i " " i1 ’1 ■ i' 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 41.40 41.60 41.80 42.00 m/z 147.10 91.53% Abundance #66550:1,4-Benzenedicarboxaldehyde, 2-methyl- 148

91 5000 119 41.40 41.60 41.80 42.00 39 65 m/z 148.10 79.23%

/z-> Of .20.... J I riri , " . m p । i i । i i i i । i i i । । i । । । । । ri i । i । i । |-> i । i ! 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 I " ‘11' " ' I ’

Abundance #123348: Benzaldehyde, 2,4,6-trimethyl- 147 1 • । > ■ ■ • । 41.40 41.60 41.80 42.00 5000 m/z 221.10 39.55% 119 91 51 74.141 0+ ■ | | 1 1 r ■ ra4,—h> ri । rri i Tu I" ttTil ” ’ 1 1 1 1 1 1 | ' 1 11 | 1 " 1 1 1 ' 1 ' | ' ' 1 I | I | I ... | I I I I | I r r | [

rn/z-> 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 Abundance #88180: 3,7-Diamino-5H-dibenzo[a,d]cycloheptene 222 41.40 41.60 41.80 42.00 m/z 73.10 17.59% 5000

111 165 193 0 ‘III------- 47 63 88 I! mA i111' i111 T‘1‘ 11'11 ■ i । । i । | • i i । । । । । । । i । i r । r r i m/z-> 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 41.40 41.60 41.80 42.00

0402LB.D SCAN020403.M Thu Apr 04 10:14:26 2002 Page 10

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