GCMS blank analysis results, June 5 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File C:\MSDCHEM\1\DATA\060402\604LB.D Vial: 3 Acq On 4 Jun 2002 5:29 pm Operator: McLean Sample 6/4 Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\060302.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L Peak Number 3 Imidazol, 4-fluoro- Concentration Rank 3 R.T. EstConc Area Relative to ISTD R.T. 3.74 2.52 ug/L 1244850 1,4-dichiorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Qu.

1 Imidazol, 4-fluoro- 86 C3H3FN2 030086-17-0/2 2 Borane, trifluoro- 68 BF3 007637-07-2 1 3 2-Chloroethanol 80 C2H5C1O 000107-07-3 1 4 2-Chloroethanol 80 C2H5C1O 000107-97-3 1 Abundance Scan 112 (3.737 min): 604LB.D (-111) (-) m/z 49.10 100.00% 49 86

5000 70 35 82 43 l 3.40 3.60 3.80 4.00 Ob“' ■ i ■ ■' ■ i ■ ‘ ‘ ■ i ‘ ■ ■ ■ i' ■ ■' i' ■ ■ ■ i'11 mH ‘1’1’91114 m/z 86.00 83.04% miz-> 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #34862: Imidazol, 4-fluoro- 83

5000 3.40 3.60 3.80 4.00 59 m/z 70.00 22.58% 0b —TTT ■ ■ ■ ■ i ■1 ■ ■ । ■ ■ “ । ■ ■ • ■ i ■ ■ • ■ । • ■ ■ ■ i ■ ■ ■ ■ i" ■ ■ i ■ ■ ■ ■ । ■ ■ ■ ■ i • ■ ■ ■ ।1 ■' । ■ •

miz-> 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #12321: Borane, trifluoro- 49 ‘ ‘ I ’ ‘ 3.40 * I ‘ 3.60 ‘ ' 1 1 ′ 3.80 l4.00 ...... 5000- m/z 35.10 16.58%

0b 11 011-001100m19 —m—m20—30 38 ]ua9mmaum 68 । ■ ■" i1 “ ■ i ■11' i ■ ■ 111 ■ ■ ■ ■ i ■ ■ ■ ■ i “ ■ ■ i ■ ■ ■ ■ i ■1 ■ ■ i ■ ‘WaW,/dp m/z-> Abundance 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 #108328:2-Chloroethanol 31 3.40 3.60 3.80 4.00 m/ z 82.00 11.86% 5000 27 44 49 353841 , .1,53 576063 76 80 O-11211111111111111010132817 ^r' ' r1 iz-> 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 3.40 3.60 3.80 4.00

604LB.D 060302.M Wed Jun 05 12:28:33 2002 Page 6

NYC-WTC_000015505