GCMS blank analysis results sample AE11926, May 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\1\DATA\052302\522LB.D Vial: 3 Acq On : 23 May 2002 11:36 am Operator: Mclean Sample : 5/22ad Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\052202.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 6 Perdeuterobenzene Concentration Rank 6 R.T. EstConc Area Relative to ISTD R.T.

4.26 0.92 ug/L 480058 1,4-Dichlorobenzene-d4 9.89 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Perdeuterobenzene 84 C6D6 001076-43-3 9 2 2-Butenal, 2-methyl- 84 C5H80 001115-11-3/7 3 Thiophene 84 C4H4S 000110-02-1 5 4 Dicyandiamide 84 C2H4N4 000461-58-5 5 Abundance Scan 201 (4,260 min): 522LB.D (-199) (-) m/z 84.00 /100.00% 84 91

5000 43 51

38 58 65 4.00 4.20 4.40 4.60 0 mpop H ■ ■ — tm m/z 91.10 70.90% •ntz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 Abundance #33650: Perdeuterobenzene 84

5000 j • * > * । . • 4.00 4.20 4.40 4.60 52 m/z 86.00 64.48% 42

01 ++12., 18, 4+36 4. 1Tmmmem 57 66 76, 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 " ■ • i “ • ■ i “ ■ ‘i ■ •

Abundance #116563:2-Butenal, 2-methyl- 55 84

4.00 4.20 4.40 4.60 5000 29 m/z 43.10 49.02% 41 50 | 69 — Tpmp 01 T i ■ ■' ■ i 111'111 * ‘ T’T 111111 | H-! 111111111 r 1 miz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 Abundance #116585: Thiophene 4.00 4.20 4.40 4.60

"euro. 84 m/z 51.00 34.73% 58 5000 45 39 12 18 26 32 50 . 69 — 0, 11 ।.. >-.4.... I....]i n .p. >illl| il >1 -H -HHH71 1 " 1 ' fH ■ ■ i ■ • ‘ ■ i ■ ■ ■ ' i ■ ■ ' • i ' ■ m/z-> 5 10 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

522LB.D 052202.M Wed May 29 09:38:49 2002 Page 9

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