GCMS blank analysis results, sample AE12288, June 2002

NYC 9/11 Public Portal Document Llbrary aearen compound Report Data File : C:\MSDCHEM\l\DATA\052902\LB.D Vial: 4 Acq On : 29 May 2002 12:32 pm Operator: McLean Sample : gc/ms scan 5/24 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 Krypton Concentration Rank 6

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

3.96 1.43 ug/L 855739 1,4-Dichlorobenzene-d4 9.90

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Krypton 84 Kr 007439-90-9 7 2 Perdeuterobenzene 84 C6D6 001076-43-3 4 3 Formamide, N-(cyanomethyl) - 84 C3H4N2O 005018-27-9 4 4 4H-1,2,4-Triazol-4-amine 84 C2H4N4 000584-13-4 3 Abundance Scan 150 (3.961 min): LB.D (-149) (-) m/z .84.00 100.00% 84

50001 35 88 41 51 3.60 3.80 4.00 4.20 4.40 i 58 01 ‘ 1444*144111111411444171411/444 —Pmmmmmmmmmmpmm m/ z: 35.10 33.44% 1‘t m/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #33829: Krypton 84 MMW

5000 3.60 3.80 4.00 4.20 4.40 42 m/z 88.00 24.52%

mfe-> 80 0- “’11211119110111111071000001307118 .. (I I. ।.., 11111 < 1111 > 1111111111111 ■ 11.11111 T ‘ ‘' I'1 ‘' I' ‘

Abundance 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 #33650: Perdeuterobenzene 84 "PWrlAal 3.60 3.80 4.00 4.20 4.40 5000 m/z 51.10 18.05% 52 56 42 12 18 24 28, 38 48, 62 66 72 76 80 0! < ■ । ■ • > < । > i ■ <»* i * • i• i' “11"'' 111' * i “' * I * ।1 TTNTT miz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #541: Formamide, N-(cyanomethy!)- • ■ । ' i ■ ■ ■ ■ i ■ ■ ■ ■ , ■ • • • , ■ 29 3.60 3.80 4.00 4.20 4.40 m/z 82.00 17.20%| 84 55 5000

40 4 36 43 5861 66 o- ^■■11,1111,111,I 1mmmt Tp miz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 3.60 3.80 4.00 4.20 4.40

LB.D 052202.M Mon Jun 03 09:27:12 2002 Page 9

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