GCMS blank analysis results, June 11 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\1\DATA\0610022\LB.D Vial: 7 Acq On : 10 Jun 2002 3:54 pm Operator: Sample : gc/ms scan 6/7 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 10 4H-1,2,4-Triazol-4-amine Concentration Rank 13 R.T. EstConc Area Relative to ISTD R.T. 4.12 1.01 ug/L 757018 1,4-dichlorobenzene-d4 9.89 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 4H-1,2,4-Triazol-4-amine 84 C2H4N4 000584-13-4 1 2 2-Amino-oxazole 84 C3H4N20 1000144-64-©/ 10 3 Perdeuterobenzene 84 C6D6 001076-43- 9 4 (S)-5-Hydroxymethyl-2[5H]-furanone 114 C5H603 078508-9 0 9 Abundance Scan 177 (4.119 min): LB.D (-176) (-) m/z 84.00 0.00% 84

5000 88

3941 47 52 3.80 4.00 4.20 4.40 35 । 11441 — "11’1 O+ WmWWTTWTWTTTTTTTTTTmH ■ i 57 m/z 88.00 39.38%

/"A/. ■ ■ ■ ■ i1 ■ “ i • ■ • ■ i “1' i'1 mfe-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #33490:4H-1,2,4-Triazol-4-amine 28 84

5000- 1 ' ■ i ■ ■ ■ ■ i ■ ■ ■ ' i ■ ■ • ■ i ■ ■ ■ ' i 3.80 4.00 4.20 4.40 m/z 52.00 20.41% 13 18 32 4043 57 69 5 10 15 20 25 30+mHHmmmmmm - J 01 miz-> Abundance 35 40 45 50 55 60 65 70 75 80 85 90 95 #33688:2-Amino-oxazole M) 1 84 TTF 56 3.80 4.00 4.20 4.40 5000i m/z 50.00 19.80% 42 31 38. Il 53 0 mmPPTRTTTT)TTTTHTHHHTT jiill 1" i11' ‘ i “ ■' i ■ ■ “ i ■" ■ i ■ ■ ■ miz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #33650: Perdeuterobenzene 84 3.80 4.00 4.20 4.40 rn/z 86.00 16.27%

5000 52 56 42 io , , 28 38 0 48_ —2+14—24-HHHTTTT 62 66 72 76 80 TTT ' ' i ■ ■ ■ ■ 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 3.80 4.00 4.20 4.40

LB.D 060302.M Tue Jun 11 08:25:56 2002 Page 13

NYC-WTC_000015667