GCMS analysis results for sample AE12161, June 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\l\DATA\052302\12161.D Vial: 14 Acq On : 23 May 2002 8:33 pm 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 2 Krypton Concentration Rank 6

R.T. EstConc Area Relative to ISTD R.T.

3.81 0.98 ug/L 550022 1,4-Dichlorobenzene-d4 9.90

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Krypton 84 Kr 007439-90-9 9 2 Ethanol, 2,2-dichloro- 114 C2H4C12O 000598-38-/ 9 3 2-Methyl[1,3,4]oxadiazole 84 C3H4N20 003451-51/2 7 4 Thiophene 84 C4H4S 000110-02/1 7 Abundance Scan 124 (3.808 min): 12161.D (-122) (-) m/z 84.00 100.00% 84

5000 35 48 43

3.40 3.60 3.80 4.00 4.20

Muwo 0- 1**41** TIt m/z 35.10 45.35% miz-> 20 30 40 50 60 70 80 90 100 110 120 Abundance #33829: Krypton 84 Ma

5000 3.40 3.60 3.80 4.00 4.20 42 m/z 48.10 38.76%

niz-> Abundance 01■r-■■■।... । । 20 30

31 : 1 40 ‘ ‘

50 t ' ‘ ‘

60 I ‘ ‘ ‘ ‘

70 #1082: Ethanol, 2,2-dichloro- I ‘ -78 80 1 i 1 ■ ■ ■ I 1 1 • • I 1 1 ■ ■ i ■ ' 90 100 110 120 w/MWtans 3.40 3.60 3.80 4.00 4.20 5000 m/z 49.10 35.66%

26 , 36 43 49.55 61 7Q 78 83 88 96 103 114119 0- ' ■ i ■ ■ »-»'j m/z-> 20 30 40 50 60 70 80 90 100 110 120 Abundance #33601:2-Methyl[1,3,4]oxadiazole 84 3.40 3.60 3.80 4.00 4.20

5000 27 43

55 w/"hhnon m/z 88.00 34.01%

"I'1 +450 69 0—PT ‘ I ' ‘ 38„ ■ i ■ ■ ■ '‘I ■ ■ • • i 1 | ‘ । ■ ■ ■ ■ । ■ ■ • • । ‘ ■ ■' । m/z—> 20 30 40 50 60 70 80 90 100 110 120 3.40 ‘ 3.60 3.80 4.00’ 420

12161.D 052202.M Wed May 29 09:54:42 2002 Page 4

NYC-WTC_000013632