GCMS sample analysis results, AE11799, June 3, 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\l\DATA\052202\11799.D Vial: 6 Acq On : 22 May 2002 5:54 pm Operator: Mclean Sample :. 5/21 ad Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: LSCINT.e 2** Quant Method : C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C: \DATABASE\NI ST98 . L ********************************************************************* Peak Number 8 Toluene Concentration Rank 8

R.T. EstConc Area Relative to ISTD R.T. 4.28 0.99 ug/L 789911 1,4-Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# - Qual

1 Toluene 92 C7H8 000108-88-3 (86 2 1,3,5-Cycloheptatriene 92 C7H8 000544-25-2 80 3 Spiro[2.4]hepta-4,6-diene 92 C7H8 000765-46-8 72 4 Toluene 92 C7H8 000108-88-3 64 Abundance Scan 205 (4.284 min): 11799.D (-199) (-) m/ z 91.10 100.00% 91

5000

• ■ ■ ■ । ■ ■ ■ ■ । • ■ ■ > । ‘ । ‘ ■1 39 45 51 58 65 82 4.00 4.20 4.40 4.60 O TPmTTmmTTTH —TTTT m/z 92.10 54.31% /z—> 15 2025303540 45 50556065 70 75 80859095 100 Abundance #37326: Toluene 91

5000 W —■ ■ ■ ■ i • ■ ■ ' i ■ ■ ‘ ■ i ■ ■ • ■ i • ■ ■ ' 4.00 4.20 4.40 4.60 m/z 39.10 10.75% 27 31 0 TWWTIWTTTTNTTTTNTTImh 39 45 51 57 61,55 73 77 86,, —pp n/z-> 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 Abundance #117298: 1,3,5-Cycloheptatriene 91 AAMAAAAAA, 4.00 4.20 4.40 4.60 5000 m/z 65.10 10.40%

28 39 65 132 | 45 51 61 73 77 86 , O 1 T1 ,1111111111111 । ■ 11111 trft 111 [ 111111, । ■ । iK t[ l ■, 111'111'''1111'' I''111 >■1. m/z—> Abundance 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 #37322: Spiro[2.4]hepta-4,6-diene 91 ........ nil....... 1 4.00 4.20 4.40 4.60 m/z 63.00 7.43% 5000

65 27 31 45 51 39। 40 r,- 01 61 69 73 77 82 86, Hmmp 0 I' “ ■ i1 TTTITIHt *1*TNTmpuH niz—> 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 4.00 4.20 4.40 4.60

11799.D 052202.M Tue May 28 12:02:52 2002 Page 11

NYC-WTC_000012809